Gilson 508 - Manual (Page 15)

Operation
3
3-2 Gilson 508 Interface Module User’s Guide
Statu
s L
ig
h
ts Status Lights
The status lights on the 508 Interface Module are useful for verifying operation.
If the Power light is off, power is not being sent to the interface module.
If the RS-232 light is flashing, the 508 Interface Module is responding to the
RS-232 input.
If the GSIOC light is flashing, the 508 Interface Module is receiving a response
from a GSIOC device.