gtps4m3f | System Generation |
The UNITRD macro is used to specify the characteristics and requirements of
unit record equipment.
There must be a UNITRD macro for each unit record device in your
system. Printers and card readers are supported as unit record
devices. The maximum number of unit record devices allowed is
eight.
Format
- UNIT=devtype
- The type of unit record device. Specify one of the following:
- 1403|3211
- The type of printer.
- Note:
- The 4248 Impact Line Printer, Model 2, has the ability to act in 3211
emulation mode.
- 2540R|3505
- The type of card reader.
- ADDR
- Specify one of the following:
- addr
- The physical address of the device. It must be 3 hex digits with
the first digit being 0.
- RES
- No address but reserves a slot for a future device.
- Note:
- If the address coded is the same as the APRNT parameter of the CONFIG macro
the device will be shared with the IPL and dump program.
- SYMNO=n
- Specifies the symbolic number assigned to the device: (1-7)
for printers, or (1-3) for readers.
- Note:
- Unique symbolic numbers must be coded for devices of the same type.
Examples
The following specifies a 1403 printer with a unit address of 00E and
symbolic number of 3.
UNITRD ADDR=00E,SYMNO=3,UNIT=1403
References
None.