Cisco Systems 80O SERIES Problems After First Startup, Symptom, To HUB/TO PC, LINE, CH1, CH1 RXD

Chapter 3 Troubleshooting

Problems After First Startup

Problems After First Startup

Table 3-2lists problems that could occur after the router has power for the first time.

Table 3-2 Problems After First Startup

Symptom	Problem			Solutions
No link to an Ethernet	•	A cable-related		Perform the following tasks in the following
device. (On Cisco 801,		problem:		order:
Cisco 802, and 802		–	Wrong cable.	• If you supply your own cable, make sure
IDSL routers, the LINK
		–	Improperly	you are using the right type of cable (either
LED on the back panel
				straight-through or crossover). Check the
is off. On Cisco 803 and			connected cable.
				cable information in Table 2-2in Chapter 2,
804 routers, the LKØ,		–	Damaged cable.
				“Installation.”
LK1, LK2, or LK3 LED
				• Check specifications in Table B-13and
on the front panel is off.
On the Cisco 804 IDSL				Table B-14in Appendix B, “Specifications
router, the ETHERNET				and Cables,” to make sure the cable
1, 2, 3, or 4 LED on the				complies. If it does not, replace it.
front panel is off.)				• To make sure you have cabled the devices
				correctly, see Table 2-2in Chapter 2,
				“Installation.”
				• Make sure the connectors at both ends of
				the cable are securely seated.
				• Make sure the cable is not physically
				damaged. If it is, replace it.
	•	Improperly set router		• To make sure you have set buttons correctly,
		HUB/NO HUB or		see Table 2-2in Chapter 2, “Installation.”
		TO HUB/TO PC
		button or hub
		equivalent of
		HUB/NO HUB button
	•	Improperly		• Run the NIC diagnostic supplied by the
		functioning network		vendor to make sure it is functioning
		interface card (NIC)		properly. If it is not, replace it.
		on server, PC, or
		workstation.
				• If the problem continues, call your Cisco
				reseller.
No link to ISDN or	•	If you have a		• If outside of North America, contact your
IDSL network. (NT1,		Cisco 801 or 803		telephone service provider and ask if you
LINE, CH1, CH1 RXD,		router in North		must provide an NT1 and the ISDN U cable
CH1 TXD, CH2, CH2		America or in parts of		that connects the NT1 to the ISDN wall
RXD, or CH2 TXD		Europe, you might		jack. In North America, you must provide
LED is off.)		need to connect the		an NT1 and the ISDN U cable. Connect
		router to an external		NT1 as described in the “Connecting an
		NT1 and connect the		ISDN Line to Cisco 801 and Cisco 803
		NT1 to an ISDN wall		Routers” section in Chapter 2,
		jack.		“Installation.”
				Cisco 800 Series Routers Hardware Installation Guide
78-5373-04					3-3