Comtech EF Data CDM-500 - Manual (Page 23)

Physical Description CDM-500 Closed Network Satellite Modem
4–2 Rev. 1.3
Table 4-1- Front Panel Led Indicators
LED Color Condition
Red A Unit Fault exists (Example: PSU fault)
Orange No Unit Faults, but a Traffic Fault exists Unit Status
Green No Unit Faults, or Traffic Faults
Green No Tx Traffic Faults
Transmit
Traffic
Off A Tx Traffic fault exists
OR the Tx Carrier is in OFF state
Green No Rx Traffic Faults (demod and Viterbi decoder are
locked, everything is OK)
Receive
Traffic
Off An Rx Traffic fault exists (the demod may still be OK)
Green The Unit is On Line, and carrying traffic
On line Off The Unit is Off Line (standby) - forced by externally
connected 1:1 or 1:N redundancy system
Orange There is a Stored Event in the log, which can be viewed
from the front panel, or retrieved via the remote control
interface
Stored
Event
Off There are no Stored Events
Orange The Unit is in Remote Mode - local monitoring is
possible, but no local control
Remote
Off The Unit is in Local Mode - remote monitoring is
possible, but no remote control
Orange Framing on, EDMAC on, and unit defined as Slave
EDMAC
Mode
Off Either no EDMAC, EDMAC Master, or Transparent
mode is selected
Orange A Test Mode is selected (Example: IF Loopback)
Test Mode
Off There is no Test Mode currently selected
Figure 4-1 Front and Back panels