Paradyne CPX-1000 manual ATM Module Troubleshooting, Tx and/or Rx indicators are off

1000-A2-GN22-00 4. Troubleshooting

Table 4–6. PSTN Module Troubleshooting (Continued)

Symptom	Probable Causes	Corrective Action
Secondary EOC PPS	CPX and Class 5 switch	Verify that the interface group is active
Link is down	connection has been lost.	in the switch.
Receive data on inactive	Switch and CPX do not	Have the switch force a PPS switch on
link	agree on which link is	the TMC or EOC link.
	active on TMC or EOC.

Table 4–7. ATM Module Troubleshooting

Symptom

Tx and/or Rx indicators are off.

Probable Causes	Corrective Action
Software error occurred	1. Turn the CPX-1000 rear circuit
on the CP module,	breaker switch off, then on again.
causing the ATM module	2. After the system initializes, verify
to initialize improperly.
	that the ATM module Tx and/or Rx
	indicators are lit or flashing.
ATM module is faulty.	Replace the ATM module (see Module
	Troubleshooting on page 4-6).

Table 4–8. Ethernet LAN Troubleshooting

Symptom	Probable Causes	Corrective Action
Ethernet link (green)	The MP module is not	Connect the Ethernet jack of the MP
indicator is not lit.	connected to the LAN.	Transition card to the LAN.
	The LAN is down.	Problem is in the LAN, external to the
		CPX. Contact the LAN administrator
		to determine cause.
	Faulty cable between CPX	Replace the cable between the MP
	and another LAN device.	Transition card and the LAN device
		with an identical cable.
	The MP module is faulty.	Replace the card (see Hot Swapping
		an MP Card on page 5-10)
CPX ping test failed	Same as for abnormal MP,	Take the corrective actions described
(unable to ping CPX	XMT, and RCV indicator	above.
from a PC on the LAN).	states listed in this table.

February 2003 4-11