Figure 4-1 Front And Back Panels; Table 4-1- Front Panel Led Indicators - Comtech EF Data CDM-500 Installation And Operation Manual

Physical Description
LED
Unit Status
Transmit
Traffic
Receive
Traffic
On line
Stored
Event
Remote
EDMAC
Mode
Test Mode
4–2

Table 4-1- Front Panel Led Indicators

Color Condition
Red A Unit Fault exists (Example: PSU fault)
Orange No Unit Faults, but a Traffic Fault exists
Green No Unit Faults, or Traffic Faults
Green No Tx Traffic Faults
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)
Off An Rx Traffic fault exists (the demod may still be OK)
Green The Unit is On Line, and carrying traffic
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
Off There are no Stored Events
Orange The Unit is in Remote Mode - local monitoring is
possible, but no local control
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
Off Either no EDMAC, EDMAC Master, or Transparent
mode is selected
Orange A Test Mode is selected (Example: IF Loopback)
Off There is no Test Mode currently selected

Figure 4-1 Front and Back panels

CDM-500 Closed Network Satellite Modem
Rev. 1.3