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Troubleshooting
4-6 Issue 1 June 1998
Table 4-3 shows the LED flashes that may occur on the Switch
Module after the power-up LED sequence.
Table 4-3. Module LED Blink Sequence
LED
Sequence
Meaning
G Module is online to a Remote Module; no
abnormalities have been detected.
GG Module is in COD (Call on Demand) waiting
mode; no abnormalities have been detected.
GGG Module is idle and waiting for connect sequence;
no abnormalities have been detected.
R DSP is off-line. Try to power cycle the module. If
continues, contact the Helpline.
RR Module is waiting for connection to DEFINITY
DCP port. (PHONE/SWITCH port on the
Extender is not connected) Check the
connection and that the distance between the
DEFINITY ECS port and the Switch Module is
within 500 ft.
RRR Modem error. Try to power cycle the module. If it
continues, contact the Helpline.
Y Modem is trying to connect, or modem is
disconnecting. No abnormalities have been
detected.