Rockwell Automation 1738-232ASCM12 ArmorPoint I/O RS-232 ASCII Module, Series A User Manual
Page 9

Publication 1738-IN009A-EN-E - June 2004
ArmorPoint I/O RS-232 ASCII Module, Series A 9
Indication
Probable Cause
Network Status
Off
Device is not on line:
- Device has not completed dup_MAC_ID-id test.
- Device not powered - check module status indicator.
Flashing Green
Device is on line but has no connections in the established state.
Green
Device is on line and has connections in the established state.
Flashing Red
One or more I/O connections in timed-out state.
Red
Critical link failure - failed communication device. Device
detected error that prevents it from communicating on the
network.
Flashing Red/Green
Communication faulted device - the device has detected a
network access error and is in communication faulted state.
Device has received and accepted an Identity Communication
Faulted Request - long protocol message.
Indication
Probable Cause
Transmit/Receive Status
Flashing Transmit/Receive
Check wiring, ground, and Rx connection. User
parameter object to view record numbers.
Flashing Receive/ Off Transmit
Check wiring. Watch the Tx light. If is does not flash,
check to ensure that you are properly initiating
transmission. Use the EDS parameter object to try
transmitting and watch the light. If it flashes, you are
not properly initiating transmission via I/O messaging. If
it does flash, check the remote device.
Off Transmit/Green Receive
Check connections as you may have wired the device
backwards.