PROTOCOL CONVERTER MODEL A/S-4
12. System/Line Gen for Batch
The following is a VTAM/NCP/JES2 line gen for a 3776 model 3 or 4. For more information on specific parameters, refer to the appropriate IBM manuals.
IBM 3770 SNA Installation Guide -
Component Description for the IBM 3776 and 3777 Communication
Terminals -
VTAM Generation Manuals - MANY
NCP Generation Manuals - MANY
NCP & VTAM Parameters: Most values are defaults
UNITSZ = 384 | VTAM’S data buffer size |
DIAL = NO | No for leased line or yes for |
LNCTL = SDLC | For SDLC line |
TYPE = NCP | For NCP |
(3) CLOCKING = EXT or INT | Modem or |
(2) DISCNT = NO or YES | If switched SDLC line should drop if no active LU sessions |
DUPLEX = FULL or HALF | Full or half duplex line |
INTRPI = 2 |
|
(*) NEWSYNC = NO | No new sync on modem |
(3) NRZI = YES or NO | NRZI coding can be used |
PAUSE = 2 | Time between xmitting operation (poll) 200 ms |
POLLED = YES | Polled Line |
REPLYTO = 1 | Time between retries of operation (polls) if not answered 1 |
| second, maybe 2 or 3 |
RETRIES = (1,2,5) | Retry 1, wait 2 seconds, do it 5 times |
SERVLIM = 4 | Number of regular Scans of NCP order table before a special |
| scan (PU not responding to SNRM) |
SPEED = 4800 | Line Speed (300 to 19.2K baud) |
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