Cisco Systems 80O SERIES manual CH1, CH1 RXD, CH1 TXD, CH1 RXD, CH1 TXD, CH2

Chapter 3 Troubleshooting

Problems After Router Is Running

Table 3-3 Problems After Router Is Running (continued)

Symptom		Problem			Solutions
					• If the problem continues, call your
					Cisco reseller.
Problems with ISDN or IDSL		•	A cable-related		• Make sure the connectors at both ends
link. (CH1, CH1 RXD, CH1			problem:		of each cable are securely connected.
TXD, CH2, CH2 RXD, or			–	Disconnected	• Make sure each cable is not physically
CH2 TXD are off.)
				cable.	damaged. If one is damaged, replace it.
			–	Damaged
				cable.
		•	Problem with ISDN		• Contact your telephone or Internet
			or IDSL line.		service provider to determine if there is
					a problem with your line.
Connection to an ISDN or		•	A cable-related		• Make sure the connectors at both ends
IDSL network is lost. (LINE,			problem:		of each cable are securely connected.
CH1, CH1 RXD, CH1 TXD,			–	Disconnected	• Make sure each cable is not physically
CH2, CH2 RXD, or CH2 TXD
				cable.	damaged. If one is damaged, replace it.
LED is off.)
			–	Damaged
				cable.
		•	Problem with ISDN		• Contact your telephone or Internet
			or IDSL line.		service provider to determine if there is
					a problem with your line.
					• If the problem continues, call your
					Cisco reseller.
Problems with link to digital		•	A cable-related		• Make sure the connectors at both ends
or analog telephone.			problem:		of each cable are securely connected.
Symptoms include no dial			–	Disconnected	• Make sure each cable is not physically
tone, a call that is abruptly
				cable.	damaged. If one is damaged, replace it.
disconnected, and an incoming
			–	Damaged
call that does not cause the
device to ring.				cable.
		•	Problem with ISDN		• Contact your telephone company to
			line.		determine if there is a problem with
					your line.
					• If the problem continues, call your
					Cisco reseller.
Connection to digital		•	A cable-related		• Make sure the connectors at both ends
telephone is lost. (LINE, CH1,			problem:		of each cable are securely connected.
CH1 RXD, CH1 TXD, CH2,			–	Disconnected	• Make sure each cable is not physically
CH2 RXD, and CH2 TXD
				cable.	damaged. If one is damaged, replace it.
LEDs on Cisco 801 and 803
			–	Damaged
routers are off.)
				cable.
		•	Problem with ISDN		• Contact your telephone company to
			line.		determine if there is a problem with
					your line.
	Cisco 800 Series Routers Hardware Installation Guide
3-6					78-5373-04