Installation guide

Making External Connections to Cisco 4000 Series Routers 4-49
Preparing to Make Connections
Figure 4-3 Router—Rear View Showing Ethernet and Serial Modules
Table 4-4 Unit Numbering for Ethernet and Serial Modules
Use of the Slot Filler Panel
If the router is configured with fewer than three network processor modules, you must place
a slot filler panel in the open slot to ensure proper airflow. Figure 4-4 shows a slot filler
panel.
Slot Number Interface and Connector Unit Address Number
1 Serial high-speed connector (right)
Serial high-speed connector (left)
Low-speed connector (middle)
Low-speed connector (top)
0
1
2–9
10-17
2 Ethernet connector (top)
Ethernet connector (bottom)
1
0
3 Serial high-speed connector (right)
Serial high-speed connector (left)
Low-speed connector (middle)
Low-speed connector (top)
18
19
20–27
28-35
Console port
On/off switch
H10587
AUX CONSOLE
INPUT 100-240VAC 50/60HZ 3.0-1.5 AMPS
Ethernet
module
Power
10BaseT
ports
2T16S
serial
module
10BASE-T
TX
RX
AUI
LNK
POL
P1
SERIAL SERIAL
P2 P1 P2
PORT-1
PORT-0
TX
RX
AUI
LNK
POL
Slot 3 Slot 2
Auxiliary port
2T16S
serial
module
Slot 1