gtps4m3fSystem Generation

UNITRD

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.