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Cisco 800 Series Routers Hardware Installation Guide
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Chapter 2 Installation
Installing Your Router
Connecting Hubs
If you have a Cisco 803, 804, or 804 IDSL router, you can connect as many as four hubs.
Before connecting a hub, see Table 2-2, and do the following:
• Choose Ethernet cables.
• On the router, set the HUB/NO HUB or TO HUB/TO PC button.
• On the hub, set the HUB/NO HUB button or its equivalent.
Follow the steps in Figure 2-1 to connect a hub to a Cisco 800 series ISDN or IDSL router. This figure
shows a Cisco 803 router with four Ethernet ports.
Caution Always connect the yellow cable or an Ethernet cable to the yellow ports on the router. Do not connect
the cable to an ISDN S/T or U port, to an IDSL port, or to an NT1. Connecting the cable to the wrong
port or NT1 can damage your router.
Figure 2-1 Connecting a Hub
To verify your hub connection, verify that one of the following LEDs is on after you have completed the
router installation:
• LINK LED on the Cisco 801, 802, or 802 IDSL back panel.
• LKØ, LK1, LK2, or LK3 LED on the Cisco 803 or Cisco 804 front panel.
• ETHERNET 1, 2, 3, or 4 LED on the Cisco 804 IDSL front panel.
If the LED is not on, see Table 3-2 in Chapter 3, “Troubleshooting.”
IS
D
N
S
/T
C
O
N
S
O
L
E
11674
Cisco Micro Hub 10/100
Cisco 803 router
2. Connect cable to:
• Yellow Ethernet
port on Cisco 801,
802 or 802 IDSL router.
• Any yellow Ethernet
port on Cisco 803,
804, or 804 IDSL router.
1. Set HUB/NO HUB
or TO HUB/TO PC button.
MDI MDI-X
6X 7X
8X
1X
2X 3X
4X
ETHERNET
1
2
ETHERNET 10 BASE T
HUB
N
O
H
U
B
Cisco 803
PHONE
0
1
2
3
1
SPEED
100BaseTX
10BaseT
LED
SOLID
BLINK
2
3
4
5
6
7
8
3. Connect other
end of cable
to hub.
4. If applicable, check
setting of hub
equivalent of router
HUB/NO HUB button.