Comtech EF Data CRS-500, Installation And Operational Manual

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CRS-500 1:N Redundancy System
Revision 4
CSU Front Panel Operation 8–5 MN-CRS-500
8.1.3.2 Traffic Modem Status LED Group
Shown as Feature 4 in Figure 8-1, these 10 sets of four LEDs, plus the active Traffic Modem
number, convey the operating state of up to 10 Traffic modems.
TRAFFIC MODEM (NUMERICAL INDICATORS 1-10)
•
Lights GREEN when the Traffic Modem is active and communicating with the CRS-500.
•
Flashes GREEN when the Traffic Modem is bridged or backed up by Redundant Modem 1.
•
Lights ORANGE when a TMI is present but is not ACTIVE.
The Traffic Modem UNIT STATUS, TX STATUS, RX STATUS, and ONLINE
LEDs will not be lit in this state.
•
Flashes RED when there is an Ethernet communication error between the CRS-500 and the
Traffic Modem.
UNIT STATUS
•
Lights GREEN when the modem is operating normally (there are no Unit, Tx, or Rx
Faults).
•
Lights RED when there is a Unit Fault.
TX STATUS
•
Remains GREEN when the modem is operating normally (i.e., there are no Tx faults).
•
Turns OFF when there is a Tx Fault.
RX STATUS
•
Remains GREEN when the modem is operating normally (i.e., there are no Rx faults).
•
Turns OFF when there is an Rx Fault.
ONLINE
•
Remains GREEN when the modem is operating normally (i.e., there is active modem
traffic to and from the user).
•
Turns OFF when User Traffic is routed through Redundant Modem 1 (RM1).