IBM System./3 Model 15

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IBM System./3 Model 15

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Communications Control Program System Operator's Guide

Program Numbers:

5704-SC1 5704-SC2

Feature 601 1 | 601 21 60331 6070 | 607 1

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G C 2 1 - 7 6 1 9 - 4 File No. 53-36

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F i f t h E d i t i o n ( S e p t e m b e r 1980)

T h i s i s a m a j o r r e v i s i o n o f , a n d m a k e s o b s o l e t e , G C 2 l - 7 6 . l g - 3 . c h a n g e s o r a d d i t i o n s r o t h e t e x t a n d i l l u s t r a t i o n s a r e i n d i c a t e d by a vertical line to the left of the change or a d d i t i o n .

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Preface

T h i s p u b l i c a t i o n c o n t a i n s in f o r m a t i o n a b o u t u s i n g th e I B M R e l a t e d P u b l i c a t i o n s S y s t e m / 3 M o d e l 1 5 C o m m u n i c a t i o n s C o n t r o l P r o g r a m

( C C P ) . Y o u s h o u l d b e f a m i l i a r with the operating procedures T h e f o l l o w i n g p u b l i c a t i o n s c o n t a i n a d d i t i o n a l in f o r m a t i o n f o r t h e M o d e l 1 5 b e f o r e o p e r a t i n g t h e C C P . a b o u t t h e C C P :

This publication describes generation and assignment in o IBM System/3 Model l5 Communications Control

general terms. lt gives the operating procedures for Program System Reference Manual, GC21-762O

s t a r t u p , C C P e x e c u t i o n , a n d s h u t d o w n . A g l o s s a r y r s

provided to define the important terms. The sample print- o IBM System/3 Communications Control Program

outs of the commands available to the system operator. Programmer's Reference Manual, GC21 7579

d e b u g g i n g a i d p r o g r a m s , a n d o n l i n e t e s t i n g in f o r m a t i o n a r e

also given. o IBM System/3 Communications Control Program

Termi nal Operator's Gu ide. GC21 -7 58O

Prerequisite Publications o IBM System/3 Communications Control Program

General lnformation Manual. GC21 7578 Y o u s h o u l d b e f a m i l i a r w i t h t h e i n f o r m a t i o n c o n t a i n e d in

the following system control program publications: . IBM System/3 Communications Control Program

Messages Manual, GC21 5110

. IBM System/3 Model l5 Operator's Guide, GCZI-5O75

. IBM System/3 Communications Control Program

o IBM System/3 Model l5 System Messages, GC21-5076 System Design Guide, GC21-5165

. IBM System/3 Model l5 System Control Programming The following publications contain System/3 teleprocessing

Concepn and Reference Manual , GC21-5162 (for 5704- information:

S C 2 ) .

. Data Communication Concepts, GC21-5'l 69 . IBM System/3 Model l5 System Control Programming

Reference Manual, GC21 '5O77 (for 5704-SC1) o IBM System/3 Multitine/Multipoint Binary Synchronous

Communications Reference Manual. GC21 -1573 o IBM System/3 Multiple Line Terminal Adapter RPQ

Program Reference and Component Description Manual, GC21-7560

o IBM System/3 Models 8, 10, 12, and l5 Components Reference Manual. GA21 -9236

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I N T R O D U C T I O N . , . .

C H A P T E R 1 . R O L E O F T H E S Y S T E M O P E R A T O R W h a t i s C C P

E s t a b l i s h i n g t h e C C P G e n e r a t i o n A s s i g n m e n t O p e r a t i n g th e C C P C o m m u n i c a t i o n W i t h C C P T e r m i n a l s U s i n g C C P .

S y s l e m a n d P r o g r a m ln f o r m a t i o n C u r r e n t S y s t e m I n f o r m a t i o n P r o g r a m I n f o r m a t i o n

C H A P T E R 2 . S T A R T U P A N D S H U T D O W N S t a r t u p

S t a r t u p P r o c e d u r e

P e r f o r m i n g S t a r t u p - N o C h a n g e s R e q u i r e d S h u t d o w n

C a n c e l

C H A P T E R 3 . C O N T R O L L I N G T H E C C P A F T E R S T A R T U P

C o m m a n d s U s e d to C o n t r o l t h e C C P H o w t o S e n d a M e s s a g e t o a T e r m i n a l H o w t o D i s p l a y t h e S t a t u s o f T e r m i n a l s H o w t o D i s p l a y t h e T e r m i n a l A s s i g n m e n t s H o w t o D i s p l a y th e S t a t u s o f T a s k s and Programs H o w t o S u s p e n d R e q u e s t s / E x e c u t i o n / l n i t i a t i o n o f

P r o g r a m s

H o w t o R e s u m e R e q u e s t s / E x e c u t i o n / l n i t i a t i o n o f P r o g r a m s

H o w t o C h a n g e t h e I n t e r v a l P o l l i n g T i m e H o w t o C h a n g e th e S t a t u s o f a T e r m i n a l H o w t o C h a n g e t h e N a m e o f a T e r m i n a l H o w t o R e c o v e r F r o m T e r m i n a l E r r o r s H o w t o C o n t r o l t h e A u t o m a t i c E r r o r Recoverv

F a c i l i t y ( 5 7 0 4 - S C 2 O n l v )

H o w t o S a v e T r a c e T a b l e I n f o r m a t i o n

H o w t o P e r f o r m S y s t e m O p e r a t o r I n i t i a t e d MLTA O n l i n e T e s t s

H o w t o P e r f o r m S y s t e m O p e r a t o r I n i t i a t e d BSC O n l i n e T e s t s

H o w t o P e r f o r m a S y s t e m O p e r a t o r Initiated BSCC W r a p T e s t

W r a p T e s t R e s u l t s

H o w t o C l o s e o r O p e n a B S C A L i n e T o C l o s e a B S C A L i n e

T o O o e n a B S C A L i n e

H o w t o C a n c e l C C P , a n A p p l i c a t i o n P r o g r a m , or P r o g r a m R e q u e s t

T o C a n c e l C C P o r a n A p p l i c a t i o n P r o g r a m T o C a n c e l a O u e u e d P r o g r a m R e q u e s t H o w t o C l o s e a D i s k F i l e

V a r y O n l i n e U s i n g S y m b o l i c T e r m i n a l N a m e V a r y O f f l i n e U s i n g S y m b o l i c T e r m i n a l N a m e . V a r y O n l i n e U s i n g T e r m i n a l P h y s i c a l l d e n t i f i c a t i o n V a r v O f f l i n e U s i n g T e r m i n a l P h y s i c a l l d e n t i f i c a t i o n V a r y O n l i n e U s i n g L i n e N u m b e r ( 5 7 O 4 - S C 2 O n l y ) . V a r y O f f l i n e U s i n g L i n e N u m b e r ( 5 7 0 4 - S C 2 O n l y )

A P P E N D I X C . M A I N S T O R A G E D U M P T O P R I N T E R

P R O G R A M ( $ C C P D D ) . . . 8 5

$ C C P D D f o r S 7 O 4 - S C 1 . . . 8 5

O C L f o r R u n n i n g $ C C P D D ( 5 7 0 4 - S C 1 ) . . . . . . . . . . . . . 9 6

$ C C P D D f o r 5 7 O 4 - S C 2 . . . 8 j

O C L f o r R u n n i n s $ C C P D D ( 5 7 0 4 - S C 2 ) . . . . . . . 8 8

A P P E N D I X D . O N L I N E T E S T S . . . . 8 9

M L T A O n l i n e T e s t s fo r t h e 1 0 5 0 , 2 7 4 0 1 2 7 4 1 , a n d C M C S T

T e r m i n a l s . . . g 9

B S C O n l i n e T e s t s . . . . . 9 0

B S C C o u n t e r s . . . . 9 O

A P P E N D ] X E . C L O S E / O P E N C C P F I L E S P R O G R A M

( $ c c P c o l . . . 9 3

$ C C P C O f o r 5 7 O 4 - S C 2 O n l y . . . . 9 3

C o n t r o l s t a t e m e n t s . . . 9 3

S a m p l e O C L . . . . 9 3

P r o g r a m m i n g C o n s i d e r a t i o n s . . . 9 4 A P P E N D I X F . S Y S T E M H I S T O R Y A R E A C O P Y P R O G R A M

( $ H A C C P I . . . 9 s

$ H A C C P I o r 5 7 O 4 - S C 2 O n l v . . . 9 5

U s e r R e q u i r e m e n t s . . . . 9 5

O p e r a t i n g c o n s i d e r a t i o n s . . . 9 6

I N D E X . . . 9 7

80 80 80 80 80 80 80 80 8 1 8 1 8 1 8 1 8 1 8 1 8 1

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c c P i s t h e c o m m u n i c a t i o n s c o n t r o l p r o g r a m fo r the IBM System/3 Model 15.

You, the ccP system operator, require a better understanding of the system than the operator of a batch system. you must make decisions on your own ln a variety o f s i t u a t i o n s . M a n y o f t h e s e d e c i s i o n s r e q u i r e a t h o r o u g h u n d e r s t a n d i n g o f t h e m e t h o d o f o p e r a t i o n o f t h e c c P . Y o u h a v e th e ability to display and modify the current status of the CCP; therefore, you must understand the effect of your actions o n t h e C C P a n d o n t h e i n f o r m a t i o n p r o c e s s i n g s y s t e m a s a w h o l e .

T r y t o b e i n v o l v e d a s e a r l y a s p o s s i b l e i n p l a n n i n g fo r i n s t a l l a t i o n o f t h e c c p . T h e IBM System/3 communications control program General lnformation Manual.

G C 2 1 ' 7 5 7 8 , p r o v i d e s a g e n e r a l d e s c r i p t i o n o f t h e c c p . R e a d i n g it w i l l h e r p y o u b e t t e r u n d e r s t a n d a c o m m u n i c a t i o n s - b a s e d s y s t e m . p r i o r t o o p e r a t i n g th e s y s t e m , y o u s h o u l d b e c o m e a c q u a i n t e d w i t h t h e f u n c t i o n s o f t h e a p p l i c a t i o n p r o g r a m s in t h e s y s t e m a n d w i t h t h e f i l e s u s e d b y e a c h p r o g r a m . y o u must be familiar with t h e c o n f i g u r a t i o n o f t h e s y s t e m a n d w i t h t h e c u r r e n t s t a t u s o f t h e s v s t e m . s o m e o n e e l s e a t y o u r i n s t a l l a t i o n , a n a l t e r n a t e o r b a c k u p o p e r a t o r , s h o u l d a l s o b e f a m i l i a r w i t h t h e o p e r a t i o n o f t h e c c p system in the event you are absent. The b a c k u p o p e r a t o r s h o u l d b e k e p t i n f o r m e d of any changes t h a t a r e m a d e t o t h e system.

/y'ote.' This manual makes references to BSCA and/or BSCC and to BSCA/BSCC lines 1,

2 , 3 . a n d 4 . P r o g r a m n u m b e r 5 7 0 4 - s c 1 s u p p o r t s BSCA lines 1and2;program number 5 7 0 4 - S C 2 s u p p o r t s B S C A l i n e s I a n d 2 a s w e l l a s B S C C li n e s 3 a n d 4 ,

Introduction

I n t r o d u c t i o n

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C h a p t e r 1 . R o l e o f t h e S y s t e m O p e r a t o r

W H A T I S C C P

T h e C o m m u n i c a t i o n s C o n t r o l P r o g r a m (C C P ) is a f e a t u r e o f S y s t e m / 3 M o d e l 1 5 W h a t i s C C p t h a t a l l o w s th e M o d e l 1 5 t o s u p p o r t a n o n l i n e n e t w o r k o f t e r m i n a l s . C C P e n a b l e s

t e r m i n a l s t o c a l l a p p l i c a t i o n p r o g r a m s a s n e e d e d a n d p e r m i t s th o s e p r o g r a m s t o a c c e s s a c o m m o n s e t o f d i s k f i l e s . S e v e r a l a p p l i c a t i o n p r o g r a m s a r e p e r m i t t e d t o e x e c u t e c o n c u r r e n t l y , th o u g h i n d e p e n d e n t l y o f o n e a n o t h e r , w h e n s u f f i c i e n t m a i n s t o r a g e i s a v a i l a b l e . C C P c o n t r o l s th e e n v i r o n m e n t in w h i c h t h e s e a p p l i c a t i o n p r o g r a m s r u n .

E S T A B L I S H I N G T H E C C P

E s t a b l i s h i n g t h e C C P in y o u r i n s t a l l a t i o n i s b a s i c a l l y a p r o c e s s o f t a i l o r i n g th e W h e r e t o f i n d t h e a s s i g n - d i s t r i b u t e d C C P t o y o u r i n s t a l l a t i o n r e q u i r e m e n t s . T h i s p r o c e s s i s a c c o m p l i s h e d m e n t p r o c e d u r e s

i n t w o s t a g e s : g e n e r a t i o n a n d a s s i g n m e n t . T h e f o l l o w i n g d e s c r i p t i o n s o f t h e s e s t a g e s a r e p r o v i d e d fo r y o u r o v e r a l l u n d e r s t a n d i n g o f C C P . A s s y s t e m o p e r a t o r , y o u m a y n o t b e r e q u i r e d to p e r f o r m C C P g e n e r a t i o n an d a s s i g n m e n t . H o w e v e r , if you are, you can find the operating procedures in IBM System/3 Model 15 CCP System Reference Manual, GC21 762Q.

Generation

Generation is a process of creating a set of CCP object modules and subroutines Generation

t h a t s a t i s f i e s t h e r e q u i r e m e n t s o f y o u r i n s t a l l a t i o n . D u r i n g g e n e r a t i o n , t h e m a x i m u m c a p a b i l i t i e s o f t h e C C P a n d c e r t a i n o p t i o n a l f e a t u r e s , s u c h a s p a s s w o r d s e c u r i t y a n d 3 2 7 O D i s p l a y F o r m a t F a c i l i t v , a r e s p e c i f i e d .

Display Format Facility

T h e I B M 3 2 7 0 D i s p l a y F o r m a t F a c i l i t y ( D F F ) i s a f u n c t i o n o f C C P th a t c a n b e D i s p l a y F o r m a t s e l e c t e d d u r i n g C C P g e n e r a t i o n . D F F a l l o w s p r o g r a m s w r i t t e n in R P G l l , C O B O L , F a c i l i t y f o r 3 2 7 O F O R T R A N l V , a n d B a s i c A s s e m b l e r t o m o r e e a s i l y c o n t r o l t h e d i s p l a y fo r m a t f o r

t h e 3 2 7 0 I n f o r m a t i o n D i s p l a y S y s t e m .

T h e D F F i s c o m p o s e d o f t h e d i s p l a y fo r m a t g e n e r a t o r , p r i n t e r f o r m a t g e n e r a t o r , a n d t h e d i s p l a y fo r m a t c o n t r o l r o u t i n e . T h e g e n e r a t o r s p r o c e s s s p e c i a l D F F s p e c i f i c a t i o n s , b u i l d d i s p l a y o r p r i n t e r f o r m a t s , a n d s t o r e th e d i s p l a y o r p r i n t e r f o r m a t s in a n o b j e c t l i b r a r y . T h e c o n t r o l r o u t i n e p r o c e s s e s r e q u e s t s f o r D F F s e r v i c e s i s s u e d b y a p p l i c a t i o n p r o g r a m s r u n n i n g u n d e r t h e C C P .

I n s t r u c t i o n s f o r u s i n g th e d i s p l a y fo r m a t g e n e r a t o r a n d p r i n t e r f o r m a t g e n e r a t o r a r e given in IBM System/3 CCP Programmer's Reference Manual , GC21 7579.

R o l e o f t h e S y s t e m O p e r a t o r 3

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Assignment

Assignment The asignmenf stage consists of running the assignment build program to describe

an operating environment in more detail. Assrgrnment is the process of defining one o r m o r e s e t s o f t e r m i n a l s , f i l e s , p r o g r a m s , a n d s y s t e m e n v i r o n m e n t s t h a t w i l l b e a v a i l a b l e t o t h e C C P . T h e s e a s s i g n m e n t s e t s a r e r e c o r d e d in t h e d i s k f i l e $ C C P F I L E , w h i c h w a s c r e a t e d d u r i n g t h e g e n e r a t i o n s t a g e . T h e C C P r u n s u n d e r o n e o f t h e a s s i g n m e n t s e t s ; t h a t i s , th e C C P h a s a c c e s s t o a p a r t i c u l a r g r o u p o f t e r m i n a l s , f i l e s ,

and programs. You can vary these resources by specifying a different assignment

s e t o r b y m o d i f y i n g / s u p p r e s s i n g c e r t a i n it e m s w i t h i n a n a s s i g n m e n t s e t d u r i n g s t a r t u p . T h e r e f o r e , y o u c a n c o n t r o l w h i c h p r o g r a m s a r e e l i g i b l e t o b e c a l l e d d u r i n g a p a r t i c u l a r ru n , o r y o u c a n r e s t r i c t th e u s e o f c e r t a i n fi l e s d u r i n q a r u n .

T h e i n f o r m a t i o n d e f in e d w i t h i n a n a s s i g n m e n t s e t d u r i n g t h e a s s i g n m e n t s t a g e i s v a l i d f o r a n y n u m b e r o f C C P r u n s . l f a t e r m i n a l , p r o g r a m , o r f i l e m u s t b e a d d e d o r removed from the set or when aspects of the system environment change, the c o n t e n t s o f t h e a s s i g n m e n t s e t c a n b e m o d i f i e d b y r e p e a t i n g t h e a s s i g n m e n t r u n , w i t h o u t p e r f o r m i n g g e n e r a t i o n a g a i n .

A s s i g n m e n t l i s t A s s i g n m e n t i n f o r m a t i o n i s p r i n t e d u s i n g th e a s s i g n m e n t l i s t p r o g r a m , $ C C P A L .

Procedures for running this program are given in IBM System/3 CCP System

R eferen ce M an u al, GC2 1 -7 620.

O P E R A T I N G T H E C C P

Operational stage Once the CCP is established. you are ready to operate it. Operating the CCP i n c l u d e s :

o S t a r t u p - D u r i n g s t a r t u p , y o u l o a d t h e g e n e r a t e d C C P a n d a r e a l l o w e d to c h a n g e c e r t a i n s p e c i f i c a t i o n s w i t h i n a n a s s i q n m e n t s e t .

. C o n t r o l - W h e n s t a r t u p lo g s 0 0 0 C C P S T A R T E D , t h e C C P is r e a d y to communi- c a t e w i t h t h e t e r m i n a l s a n d a p p l i c a t i o n p r o g r a m s . Y o u m a y e x e r c i s e @ n t r o l over the system during this stage. You can determine if the system should accept n e w r e q u e s t s f r o m t e r m i n a l o p e r a t o r s . W h i l e t h e s y s t e m is i n o p e r a t i o n , y o u c a n i n i t i a t e c e r t a i n s y s t e m a c t i o n s , d e t e r m i n e th e s y s t e m s t a t u s , a n d a l t e r t h e s e t o f t e r m i n a l s p e r m i t t e d to a c c e s s t h e s y s t e m . Y o u m u s t a l s o m a k e d e c i s i o n s w h e n e x c e p t i o n a l s i t u a t i o n s (s u c h a s e r r o r c o n d i t i o n s ) a r e d e t e c t e d .

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C O M M U N I C A T I O N W I T H C C P

Y o u r c o m m u n i c a t i o n w i t h t h e C C P is t h r o u g h t h e 3 2 7 7 D i s p l a y S t a t i o n a n d Operator Console Keyboard (referred to as the console in this manual). Messages

from the system are displayed on the console; some messages require responses

f r o m y o u . T h o s e m e s s a g e s r e q u i r i n g re s p o n s e s a r e p r e c e d e d b y a n a s t e r i s k . D u r i n g s t a r t u p a n d d u r i n g t h e l a s t p a r t o f t h e o p e r a t i o n a l st a g e o f C C P , y o u n l a y r e s p o n d t o m e s s a g e s i s s u e d b y t h e C C P b y p r e s s i n g t h e P F 1 2 k e y . W h e n C C P is ready, the cursor is situated at the response position of the most recent message a n d E N T E B R E S P O N S E i s d i s p l a y e d o n t h e l o w e r l i n e o f t h e d i s p l a y . Y o u m a y t h e n e n t e r t h a t r e s p o n s e o r a d i u s t th e c u r s o r to t h e r e s p o n s e p o s i t i o n o f a n y

unresponded message you desire.

A t a n y t i m e d u r i n g C C P e x e c u t i o n , y o u m a y c o m m a n d a s y s t e m a c t i o n . C o m m a n d s , and the procedure for entering commands, are described inChapter 3. Controlling the CCP after Startup. Messages are described in IBM System/3 CCP Messages, G C 2 1 5 1 7 0 .

T E R M I N A L S U S I N G C C P

W h e n t e r m i n a l s a r e c o m m u n i c a t i n g w i t h t h e C C P , y o u w i l l r e c e i v e m e s s a g e s o n t h e c o n s o l e in d i c a t i n g w h a t i s h a p p e n i n g . F o r i n s t a n c e , y o u a r e n o t i f i e d e a c h ti m e a

terminal operator attempts to sign-on. In some instances, the CCP does not

a u t o m a t i c a l l y t e l l y o u w h a t i s h a p p e n i n g , b u t y o u h a v e c o m m a n d s th a t y o u c a n u s e to r e q u e s t i n f o r m a t i o n a b o u t t h e o p e r a t i o n o f t h e s y s t e m . F o r e x a m p l e , y o u h a v e c o m m a n d s a v a i l a b l e t o :

o Tell you the current status of terminals on the system (see index entry display terminals command\.

o Tell you the current status of active CCP user tasks (see index entry display

users commandl.

o T e l l y o u t h e c u r r e n t s y m b o l i c n a m e a n d i d e n t i f i e r o f t e r m i n a l s o n t h e s y s t e m (see index entry display terminal assignments commandl.

C R T / K e y b o a r d

Responding to messages

E n t e r i n g c o m m a n d s

C o m m u n i c a t i n g w i t h t e r m i n a l s

R o l e o f t h e S y s t e m O p e r a t o r

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System information

S Y S T E M A N D P R O G R A M I N F O R M A T I O N

C u r r e n t s y s t e m in f o r m a t i o n a n d i n f o r m a t i o n a b o u t e a c h a p p l i c a t i o n t o b e r u n o n t h e s y s t e m s h o u l d b e s u p p l i e d t o y o u b y y o u r d a t a p r o c e s s i n g p e r s o n n e l . T h e f o l l o w i n g e x a m p l e s h e e t s i l l u s t r a t e t h e t y p e o f i n f o r m a t i o n y o u n e e d to r u n t h e s y s t e m .

Current System Information

1 . G e n e r a l i n f o r m a t i o n a b o u t t h e s v s t e m T e r m i n a l s a t t a c h e d t o t h e s v s t e m L i n e s a v a i l a b l e o n t h e s y s t e m F i l e s a v a i l a b l e

2 . S c h e d u l e o f w o r k

W o r k p e r f o r m e d b y e a c h te r m i n a l W o r k p e r f o r m e d b y s y s t e m o p e r a t o r T o t a l w o r k s c h e d u l e

3 . W h a t i s t h e c u r r e n t p a s s w o r d o r o t h e r s e c u r i t v in f o r m a t i o n 4 . W h a t a r e t h e c u r r e n t d a t a m o d e e s c a o e c h a r a c t e r s 5 . W h a t a s s i g n m e n t s e t s h o u l d b e u s e d d u r l n g s t a r t u p

6 . W h a t i s t h e c u r r e n t d e f a u l t f o r s i g n i n g - o f f e a c h te r m i n a l . H o l d o r d r o p . _ 7 . W h a t e r r o r r e c o v e r y p r o c e d u r e s a r e t o b e f o l l o w e d f o r c e r t a i n te r m i n a l e r r o r s

o r w h i l e s p e c i f i c p r o g r a m s a r e r u n n i n g

K e e p a c o p y o f t h e a s s i g n m e n t s e t l i s t i n g n e a r t h e c o n s o l e f o r r e f e r e n c e t o t h e a s s i g n m e n t s e t c o n f ig u r a t i o n s .

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Program Information

A p p l i c a t i o n Date

Program Name N u m b e r - P r o g r a m m e r _

1 . S y m b o l i c n a m e o f t h e p r o g r a m 2 . F u n c t i o n o f t h e p r o g r a m

3 . S y s t e m r e s o u r c e s u s e d b y t h e p r o g r a m

F i l e s How Used

T e r m i n a l l D S y m b o l i c n a m e L o c a t i o n

4 . M a i n s t o r a g e r e q u i r e d 5 . T y p i c a l o p e r a t i n g t i m e

6 . C a n i n p u t d a t a b e e n t e r e d w i t h t h e p r o g r a m re q u e s l 7 . W h a t i n p u t i s e x p e c t e d

8 . E n d m e s s a g e w i l l b e s e n t t o t e r m i n a l y e s N o 9 . S p e c i a l c o n s i d e r a t r o n s

P r o g r a m re s t r i c t e d i n a n y w a y P o t e n t i a l p r o b l e m s in s u s p e n d i n g o r c a n c e l l i n g t h e p r o g r a m b e f o r e i t h a s fi n i s h e d

1 0 . U n d e r w h a t c o n d i t i o n s c a n p r o g r a m s b e c a n c e l l e d

R o l e o f t h e S y s t e m Operator 7

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S T A R T U P

Startup is the initiation of the resident CCP. The startup procedure consists of a sequence of prompts (messages) displayed on the console that allow you to t e m p o r a r i l y c h a n g e s p e c i f i c a t i o n s w i t h i n a n a s s i g n m e n t . B y a n s w e r i n g t h e p r o m p t w i t h Y E S o r Y , y o u a r e t e l l i n g t h e c c p t h a t y o u are requesting f u r t h e r p r o m p t i n g f o r i n d i v i d u a l c h a n g e s . B y e n t e r i n g a n a p p r o p r i a t e keyword (with a value if r e q u i r e d ) , a c h a n g e i s m a d e w i t h o u t f u r t h e r p r o m p t i n g . K e y w o r d s a n d v a l u e s may b e e n t e r e d ( o n e k e y w o r d a n d v a l u e a t a t i m e ) until the ENTER key is pressed w i t h o u t a n y k e y e d i n p u t . B y e n t e r i n g N o or N or by pressing t h e E N T E R k e y , y o u a r e i n d i c a t i n g th a t t h e v a l u e is to remain unchanged.

T h e a s s i g n m e n t s p e c i f i c a t i o n s y o u c h a n g e d u r i n g s t a r t u p r e m a i n c h a n g e d o n l y d u r i n g t h e c u r r e n t C C P r u n a n d d o n o t p e r m a n e n t l y alter the valuesgiven d u r i n g generation and assignment. The specifications you can change and the keyword u s e d a r e :

Purpose

S p e c i f y l o c a t i o n ( d i s k u n i t ) o f $ C C P F I L E

S p e c i f y t h e l D c h a r a c t e r o f a n a p p r o p r i a t e a s s i g n m e n t set

S p e c i f y t h e m i n i m u m u s e r p r o g r a m a r e a s i z e

Specify the number of bytes of main storage to be used f o r t e l e p r o c e s s i n g h o l d b u f f e r

Change the CCP security password (valid if option was s e l e c t e d d u r i n g C C P g e n e r a t i o n )

S p e c i f y u s e o f t h e t r a c i n g r o u t i n e w i t h i n M L T A c o n t r o l r o u t i n e s :

n E n t e r a s p e c i f i c li n e n u m b e r 1 - 8 . K e y w o r d c a n b e repeated for different line numbers.

A ' E n t e r

A t o u s e tr a c e f o r a l l l i n e n u m b e r s . S p e c i f y u s e o f t h e t r a c i n g r o u t i n e w i t h i n B S C A c o n t r o l r o u t i n e s to t r a c e fo r b o t h l i n e s

( 5 7 0 4 - S C 2 o n l y ) S p e c i f y u s e o f t h e t r a c i n g r o u t i n e w i t h i n B S C A c o n t r o l r o u t i n e s :

n E n t e r a s p e c i f i c li n e n u m b e r 1 o r 2 . A Enter A to use trace for both line numbers.

Chapter 2. Startup and Shutdown

Responding to startup prompts

What you can change at startup

Keyword U N lT - x x S E T - c

M I N U P A - n n K M I N T P B U F - n n n n n

PASSWORD-cccccc

T R A C E M L T n - ln l n l

l r \

T R A C E M L M P

T R A C E M L M e - f " I n f

S t a r t u p a n d S h u t d o w n 9

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Keyword Purpose

T R A C E B S C C - l n I n I t S Z O a - S C Z - o n l y ) S p e c i f y u s e o f t h e t r a c i n g r o u t i n e I | )

w i t h i n B S C C c o n t r o l r o u t r n e s : n E n t e r a s p e c i f i c l i n e n u m b e r 3 o r 4 .

A E n t e r A t o u s e tr a c e f o r b o t h l i n e n u m b e r s .

r 1 r

B S C C B L K - . 1 - [ ( 5 7 0 4 - S C 2 o n l y ) N u m b e r o f 2 5 6 - b y t e b l o c k s to b e I z ' + |

a l l o c a t e d f o r t h e u s e o f t h e B S C C tr a c e r o u t i n e . D e f a u l t i s 1 , m a x i m u m i s 2 4 ( 6 K ) .

S U P P R E S S S u p p r e s s u s e o f t h e f o l l o w i n g f a c i l i t i e s , s p e c i f i e d i n t h e a s s i g n m e n t s e t , fo r t h e c u r r e n t C C P r u n :

- S p e c i f i c d i s k d a t a f i l e s

- . S p e c i f i c f i l e r e f e r e n c e - n a m e s ( s y m b o l i c f i l e n a m e s ) - S p e c i f i c p r o g r a m s

- S p e c i f i c B S C ( 1 - 4 \ a n d l o r M L T A ( 1 - 8 ) li n e s S p e c i f i c D F F b u f f e r s ( 5 7 0 4 - S C 2 o n l y ) - S o e c i f i c t e r m i n a l s

- - - P r o g r a m re q u e s t co u n t

- U s e o f s p e c i f i c te r m i n a l s u n t i l l a t e r in t h e C C P r u n O F F L I N E P l a c e a t e r m i n a l o f f li n e ( n o t a v a i l a b l e ) u n t i l l a t e r in t h e

C C P r u n

B e f o r e s t a r t u p , th e f o l l o w i n g o p e r a t i o n s m u s t h a v e b e e n p e r f o r m e d ( s e e I B M System/3 Model l5 CCP System Reference Manual, GC21-7620 for descriptions of t h e p r o c e d u r e s f o r t h e s e o p e r a t i o n s ) :

. C C P h a s b e e n g e n e r a t e d .

. A t l e a s t o n e a s s i g n m e n t s e t m u s t h a v e b e e n e n t e r e d in t o $ C C P F l L E .

. l f u s e r s i g n o n s e c u r i t y is b e i n g e m p l o y e d , $ C C P A U h a s b e e n e x e c u t e d to l o a d t h e u s e r s e c u r i t y in f o r m a t i o n .

. A l l C C P a p p l i c a t i o n p r o g r a m s t h a t m a y b e r e q u e s t e d d u r i n g t h e C C P r u n h a v e b e e n c o m p i l e d ( o r a s s e m b l e d ) a n d h a v e a l l b e e n s t o r e d a s s p e c i f i e d i n t h e a s s i g n - m e n t s e t , o n e i t h e r t h e C C P p r o g r a m p a c k o r t h e D S M s y s t e m p a c k a s p e r m a n e n t m e m b e r s in t h e o b j e c t l i b r a r y . P r o g r a m 5 7 O 4 - S C 2 a l l o w s C C P a p p l i c a t i o n p r o g r a m s t o

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o l f y o u w a n t a c c P trace, $TRACE must be loaded with rypE-ccp prior to s t a r t u p . ( F o r 5 7 0 4 - S C 2 o n l y , a n o c c - l o a d a b l e t r a c e is available t h a t p r o v i d e s t h e s a m e fu n c t i o n a n d w h i c h m a y b e i n i t i a t e d a f t e r s t a r t u p , )

' M L T E R F I L ( e r r o r f i l e ) h a s b e e n in i t i a l i z e d o n t h e s y s t e m p a c k ( t h i s o p e r a t i o n i s r e q u i r e d fo r M L T A a n d f o r t s s c A / B S C C c o n t r o l station onlv). For BSCC

( 5 7 0 4 - S C 2 o n l y ) , M L T E B F l L m u s t b e t w o t r a c k s . S t a r t u p w h e n m o r e than one partition T h e c c P c a n b e r u n i n a n y p r o g r a m p a r t i t i o n , b u t n o t i n m o r e t h a n one partition i s a c t i v e

c o n c u r r e n t l y . l f m u l t i p l e p a r t i t i o n s a r e to b e a c t i v e , C C p s h o u l d n o r m a l l v b e r u n i n t h e h i g h e s t p r i o r i t y p a r t i t i o n i n t h e s V s t e m .

T h e n o n - c c P p a r - t i t i o n ( s ) m a y b e a c t i v e d u r i n g c c p s t a r t u p . H o w e v e r , t h e f o l l o w i n g p r o g r a m s m u s t n o t b e e x e c u t i n g i n t h a t p a r t i t i o n :

. U s e r s e c u r i t y d a t a p r o g r a m ( $ C C P A U )

. M a i n s t o r a g e d u m p t o p r i n t e r p r o g r a m ( $ C C P D D ) o A s s i g n m e n t b u i l d p r o g r a m ( $ C C p A S ) t

o A s s i g n m e n t l i s t p r o g r a m ( $ C C P A L )

o I n i t i a l i z e a s s i g n m e n t f i l e b u i l d p r o g r a m ( $ C C 1 B F ) O C C P ( $ C C P )

o A n y C C P g e n e r a t i o n s t a g e p r o g r a m

o A n y p r c g r a m th a t m o d i f ie s p r o g r a m s o r d i s p l a y fo r m a t s that are used by CCp d u r i n g i t s o p e r a t i o n o r t h a t r u n u n d e r c o n t r o l o f t h e C C P fo r t h i s a s s i q n m e n t s e t . T h e C R T / K e y b o a r d , a c a r d r e a d e r , o r a n o n l i n e 3 7 4 1 m a v b e u s e d t o r e a d O C L f o r t h e n o n - C C P p a r t i t i o n .

In add ition to the messages issued during startup (see tBM System/3 CCp Messages Manual, Options taken to Model

G C 2 1 5 1 7 0 ) , a n y o n e o f t h e h a l t s is s u e d b y t h e S y s t e m / 3 M o d e l i 5 m a y o c c u r . T h e 1 5 h a l t s information needed to recover from these halts is provided in tBM System/3 Modet l5

S y s t e m M e s s a g e s , G C 2 l - 5 0 7 6 . l f y o u t a k e o p t i o n 2 ( c o n t r o l l e d c a n c e l ) o r 3 ( i m m e d i a t e C a n c e l i n g C C p d u r i n g c a n c e l ) t o a h a l t , t h a t a c t i o n i s p e r f o r m e d a n d C C P i s t e r m i n a t e d . A l s o , i f t h e k e y w o r d s t a r t u p

C A N C E L i s u s e d in r e s p o n s e t o s t a r t u p m e s s a g e s S U O 1 1 o r s u 0 2 5 , t h e c c p s t a r t u p is t e r m i n a t e d im m e d i a t e l v .

T h e C A N C E L ( C N ) c o m m a n d c a n a l s o b e u s e d to c a n c e l th e C C p p a r t i t i o n . However, t h i s s t a t e m e n t is n o t a l l o w e d w h i l e d i s k f i l e s a r e b e i n g o p e n e d .

T h e f o r m a t o f t h e s t a r t u p m e s s a g e i s :

" S U n n n b b t e x t ? w h e r e :

* I n d i c a t e s t h a t t h e m e s s a g e o r a g r o u p o f m e s s a g e s r e q u i r e s a r e p l y ; o t h e r w i s e th e f i r s t c h a r a c t e r i s b l a n k .

S U I n d i c a t e s a s t a r t u p m e s s a g e .

Format of startup message

' $ C C P A S

d o e s n o t u p d a t e g C C p F I L E but provides diagnostics w h i l e C C p i s i n s t a r t u p

S t a r t u p a n d S h u r d o w n 1 1

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Complete startup procedure

OCL statements

n n n l s a r e f e r e n c e n u m b e r u s e d fo r c l a r i f i c a t i o n o f t h e t e x t t h a t f o l l o w s . W S e p a r a t e s t h e r e f e r e n c e n u m b e r f r o m t h e t e x t .

t e x t l s t h e s t a r t u p m e s s a g e .

? I n d i c a t e s t h a t c c P s t a r t u p i s w a i t i n g f o r y o u r r e p l y . A f t e r p r e s s i n g t h e p F 1 2 k e y , y o u m a y e n t e r Y E S . Y , N O , o r N ; e n t e r a k e y w o r d ; o r p r e s s t h e E N T E R k e v T h e E N T E R k e y c a n b e p r e s s e d t o r e t a i n t h e c u r r e n t i n f o r m a t i o n i n a l l c a s e s . A s t a r t u p e r r o r m e s s a g e i s i n d i c a t e d b y * E R R o R *

a s th e f i r s t w o r d o f t e x t f o l - l o w e d b y a b l a n k a n d t h e r e m a i n d e r o f t h e t e x t .

Startup Procedure

1 . E n s u r e t h a t t h e d i s k p a c k s c o n t a i n i n g d i s k f i l e s r e f e r r e d to b y t h e O C L a r e o n l i n e , u n l e s s t h e f i l e s a r e s u p p r e s s e d d u r i n g s t a r t u p . A l s o e n s u r e t h a t d i s k p a c k s c o n t a i n i n g th e o b j e c t l i b r a r i e s in w h i c h d i s p l a y fo r m a t s ( i f DFF is u s e d ) a n d C C P u s e r p r o g r a m s r e s i d e a r e o n l i n e .

E n t e r t h e I D E L E T E c o m m a n d i f y o u d o n o t w i s h t o r e s p o n d to I t y p e

messages (see IBM System/3 Model l5 Operator's Guide, GC21-5O75, for a

d e s c r i p t i o n o f I D E L E T E ) .

E n t e r a S E T c o m m a n d p r i o r t o l o a d i n g C C P if y o u w i s h t o o v e r r i d e th e p a r t i t i o n s i z e s p e c i f i e d d u r i n g M o d e l 1 5 g e n e r a t i o n .

E n t e r t h e O C L s t a t e m e n t s t o l o a d $ C C P . T h e O C L s t a t e m e n t s t o b e e n t e r e d f r o m t h e s y s t e m in p u t d e v i c e to t h e a p p r o p r i a t e p r o g r a m p a r t i t i o n a r e :

S T A T E M E N T S

1 2

2 .

J .

4 .

ocL

(One file statement for e a c h d i s k f i l e )

(21)

. u n i t i d i s t h e d i s k u n i t ( R 1 , R 2 , F 1 , F 2 , D 1 , D 2 , D 3 , o r D 4 ) o n w h i c h t h e u s e r fi l e r e s i d e s ( o r i s b e i n g a l l o c a t e d ) . With a 3344, the following disk units are also v a l i d : D 3 1 , D 3 2 , D 3 3 , D 3 4 , D 4 1 ,D 4 2 , D 4 3 , a n d D 4 4 .

o packid is the d isk pack name for the f ile.

c f i l e n a m 2 is t h e a c t u a l fi l e n a m e o n d i s k , specified when filenaml is not the actual name o n t h e d i s k .

o T h e m a x i m u m n u m b e r o ' t ll FILE statements a l l o w e d is 4 0 f o r 5 7 0 4 - S C 1 . F I L E s t a t e m e n t a n d 1 9 2 f o r 5 7 0 4 - S C 2 .

o N o / / F I L E s t a t e m e n t is entered for gCCpF I LE or $CCpDUMp.

. A n a p p r o p r i a t e R E T A I N p a r a m e t e r m a V b e i n c l u d e d o n a / l F I L E s t a t e m e n t . . T R A C K S , R E C O R D S , a n d L O C A T I O N p a r a m e t e r s m a y b e i n c l u d e d in t h e

/ / F I L E s t a t e m e n t s .

l f f i l e s t o b e l o a d e d d u r i n g t h e c u r r e n t C C P r u n a r e o l d f i l e s ( b u i l t d u r i n g a p r e v i o u s r u n ) , t h e L O C A T I O N p a r a m e t e r a n d e i t h e r t h e T R A C K S o r

R E C O R D S p a r a m e t e r f r o m t h e o r i g i n a l O C L m u s t b e g i v e n to a v o i d c r e a t i n g a s e p a r a t e c o p y o f t h e f i l e .

o The CCP partition logs all messages to the CRT/Keyboard, regardless of where LOG statement

t h e s y s t e m lo g d e v i c e h a s b e e n a s s i g n e d . lf m u l t i p l e p a r t i t i o n s a r e a c t i v e , th e n o n - C C P p a r t i t i o n m a y a l s o lo g t o t h e C R T / K e y b o a r d .

o A //BSCA statement may be required among the OCL statements used to load BSCA statement

$ c c P . T h i s s t a t e m e n t is u s e d to c h a n g e a l l B S C A l i n e s p e c i f i c a t i o n s i n c c p t o e i t h e r li n e ' l

o r l i n e 2 , w h e n o n e o f t h e B S C A l i n e s w i l l n o t b e a v a i l a b l e d u r i n g c c P e x e c u t i o n a n d t h e t e r m i n a l s fo r t h a t l i n e h a v e been switched to the line t h a t w i l l b e u s e d .

/y'ofe.' Additional information about the ocL statements and occ commands is c o n t a i n e d in t h e f o l l o w i n g p u b l i c a t i o n s :

. IBM System/3 Model l5 System Control programming Reference Manual, GC21-5077 (for 5704 SC1)

. IBM System/3 Model l5 System Control programming Concepts and Reference Manual, GC21 -S 162 (for 5704-SC2)

. IBM System/3 Model l5 Operator's Guide. GC21-5O75

T h e r e m a i n d e r o f s t a r t u p is a s e r i e s o f p r o m p t s , in m e s s a g e f o r m a t , w h e r e o y y o u

can make temporary changes to an assignment set. The complete procedure is

g i v e n o n t h e f o l l o w i n g p a g e s .

S t a r t u p a n d S h u t d o w n 1 3

(22)

C o m m o n s t a r t u p procedure

Performing Startup-No Changes Required

l f y o u d o n o t w i s h to m a k e t e m p o r a r y c h a n g e s t o t h e c u r r e n t a s s i g n m e n t s e t , y o u m a y p e r f o r m t h e p r e c e d i n g s t a r t u p p r o c e d u r e a n d , w h e n C C P p r o m p t s t h e f o l l o w - i n g m e s s a g e , p r e s s P F 1 2 a n d e i t h e r k e y in N O o r p r e s s t h e E N T E R k e y :

" S U O 1 1 A N Y S P E C I F I C A T I O N S ?

C C P s t a r t u p t h e n is s u e s t h e f o l l o w i n g m e s s a g e s ( n o r e s p o n s e r e q u i r e d ) : S U O 7 1 I N I T I A L I Z I N G C C P

S U 7 5 3 O P E N I N G D I S K F I L E S S U g 6 5 T / P B U F F E R I S * * + * * *

B Y T E S , U S E R P R O G R A M A R E A I S * * * K O O O C C P S T A R T E D

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IBM System./3 Model 15

IBM System./3 Model 15

Communications Control Program System Operator's Guide

Program Numbers:

5704-SC1 5704-SC2

Feature 601 1 | 601 21 60331 6070 | 607 1

--.---.\

-.\ . -=-

Preface

Contents

Introduction

C h a p t e r 1 . R o l e o f t h e S y s t e m O p e r a t o r

C R T / K e y b o a r d

Responding to messages

E n t e r i n g c o m m a n d s

C o m m u n i c a t i n g w i t h t e r m i n a l s

System information

Chapter 2. Startup and Shutdown

Responding to startup prompts

What you can change at startup

T R A C E M L M e - f " I n f

Format of startup message

Complete startup procedure

OCL statements

ocL

C o m m o n s t a r t u p procedure

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