IBM 1 Series Manual page 182

Bus initialization
Command
Write Interface Clear (IFC)
Write Remote Enable (REN)
Information exchange
Command
Write Configure
Write Data
Read Data
Read Monitor
Universal
Command
Write Selected Device (SDC)
Write Device Clear (DCL)
Write Group Execute Trigger (GET)
Write Go To Local (GTL)
Write Local Lock Out (LLO)
Description
Causes the bus to go into a quiescentstate.
Places addresses on the bus. These addresses
allow the specified devices to respond to
further operations.
Description
Used to transfer configuration information
and/or device programming information (if
less than 50 bytes) on the bus.
Places device programming information or
data on the bus for those devices addressed as
listeners.
Allows data to be transferred from a device on
the bus into Series/1 main storage.
Allows data to be transferred/monitored
between devices on the bus.
Description
Causes those devices whose addresses are
contained in the data area to bereset.
Causes all devices to be reset.
Causes those devices whose listen addresses
are contained in the data area to havetheir
predefined basic operation initiated.
Causes those devices whoselisten addresses
are contained in the data area to respond to
both the interface messages and panel
controls.
Causes the devices to respond only to
interface control messages (not panel
controls).
Figure A-2 (Part 1 of 2). GPIB adapter command groups
General Purpose Interface Bus Adapter (RPQ DO2118) A-3