![](/images/new-backgrounds/1213257/21325741x1.webp)
Table 6: Status LEDs
LED | Description |
|
|
REM | Indicates that the GPIB or RS232 interface is in Remote mode. All |
| keys except Local are locked out. |
|
|
LOCK | Indicates that the SB switch is in Local Lockout mode. This mode prevents the |
| Local key from returning the SB switch to Local mode. |
|
|
ADDR | Indicates that the GPIB interface is in talk or listen state |
|
|
SRQ | Indicates that the interrupt logic of the SB switch has generated a service request |
| interrupt on the GPIB interface |
|
|
Rear Panel
The back of the switch is shown in Figure 8.
Figure 8: Back of the Switch
External Switch Module Connections
External Switch Module without TTL Input Controls
The setup for a switch without
Operating and Maintenance Instructions – 16