4
TABLE 1
RCM-1 DIAGNOSTIC LEDS
LED
COLOR
FUNCTION
Any Trouble
Yellow
Lights when the RCM-1 cannot communicate with the MXL.
XMIT Enable
Yellow
Lights whenever the RCM-1 transmits a message to the MXL.
XMIT A
Green
Lights when the RCM-1 transmits voice using the copper
wire RECV connections.
XMIT B
Green
Lights when the RCM-1 transmits voice using the copper
wire XMIT connections.
XMIT F
Green
Lights when the RCM-1 transmits voice using any of the fiber
optic ports.
LM1
Green
Lights when the RCM-1 is in local mode.
Flashes when there is no valid carrier on the riser.
GM1
Green
Lights when the RCM-1 is in global mode 1.
Flashes when there is no valid carrier on the riser.
GM2
Green
Lights when the RCM-1 is in global mode 2.
Flashes when there is no valid carrier on the riser.
Figure 2
RCM-1 Module Board