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Verifying LED and Network Assignments
Once you install the module, verify its operation through the front panel of
the ONline Controller Module. The Controller Module is equipped with an
LED check button on the front panel. Use the LED check buttonto:
❑ Verify LED operation
❑ Verify network (channel) assignment
When you press this button, the Controller Module initiates a test to all
modules in the concentrator. All LEDs should respond by lighting
continuously for approximately five seconds. Any LED that does not light is
defective.
After the 5 seconds elapse, the diagnostic continues with a network
(channel) check of all modules. Each Status LED should respond by blinking
the number of times to correspond with the network to which the module
is assigned. The network check sequence repeats 5 times. Table 3-6
explains the network check codes.
Table 3-6. Network Check Codes
LED State Network Configuration
1 Blink Module or port is configured for network 1
2 Blinks Module or port is configured for network 2
3 Blinks Module orport is configured for network 3
Off Module or port is isolated (operates independent of any
network)