Paradyne 316x manual Yellow at DTE, AIS at Net, AIS at DTE

ACCULINK 316x DSU/CSU

Table F-1

(2 of 2)

Troubleshooting

Symptom

Possible Cause

Solutions

Message	DTE has detected an LOS or OOF condition.	1.	Check the status of the DTE.
Yellow at DTE		2.	Check that the DSX-1 cable is securely
appears
			attached at both ends.
Message	1. Upstream DSU/CSU is transmitting AIS	1.	Check status of upstream DSU/CSU(s).
AIS at Net	(keep-alive signal).	2.	Report problem to carrier.
appears	2. The network is transmitting an AIS.
Message	DTE is sending an AIS.	Check DTE.
AIS at DTE
appears
Message EER at	T1 facility problem.	Contact your T1 facility provider.
Net appears
BPV LED is ON	1. Incompatible line coding format between the	1.	Check that the line coding format for the
	DTE and DSU/CSU.		DSX-1 Drop/Insert port (DTE) is correct.
	2. DSX-1 cable problem.	2.	Check that the DTE cable is securely attached
			at both ends.
Message Failed #	Internal DSU/CSU problem.	Record the 8-digit code, then contact your field
# # # # # # #		service representative.
appears
SNMP Link Down	1. The SNMP manager configuration is	1.	Check that the configurations are matched.
	mismatched with the device configuration.	2.	Start the link layer protocol.
	2. The SNMP manager's link layer protocol is not
	running.
Invalid Number	The modem cannot dial because the phone	Check that the selected phone number is correct.
	number is invalid or there is no number in the
	selected directory.
No Dial Tone	The modem cannot dial because there is no dial	Check that the modem is connected properly.
	tone.
Busy Signal	The modem is receiving a busy signal.	Redial the phone number later.
No Answer Tone	The remote end does not answer within	Redial the phone number later.
	45 seconds.
Modem In Use	The modem is in use.	Redial the phone number later.

F-2 December 1996 3160-A2-GB22-10