Installation guide
4-48 Cisco 4000 Series Installation Guide
Preparing to Make Connections
Figure 4-2 Router—Rear View Showing Ethernet Modules
Table 4-3 Unit Numbering for Three Ethernet Modules
One final example involves two serial modules (NP-2T16S, each with dual high-speed
ports and 16 low-speed ports) and a dual Ethernet module.Figure 4-3 shows the router rear
view and Table 4-4 describes the slot numbers and unit number assignments.
Slot Number Interface and Port Unit Address Number
1 Ethernet port (top)
Ethernet port (bottom)
1
0
2 Fast Ethernet port 2
3 Ethernet port (top)
Ethernet port (bottom)
4
3
Chassis
release screw
Console port On/off
switch
H4597
AUX CONSOLE
INPUT 100-240VAC 50/60HZ 3.0-1.5 AMPS
Ethernet module
Slot 3 Slot 2
Slot 1
10BaseT
ports
10BASE-T
TX
RX
AUI
LNK
POL
TX
RX
AUI
LNK
POL
ETHERNET AUI
PORT-0
PORT-1
120 VAC
AUI ports
100 MB Ethernet moduleEthernet module
10BaseT
ports
10BASE-T
TX
RX
AUI
LNK
POL
TX
RX
AUI
LNK
POL
ETHERNET AUI
PORT-0
PORT-1
AUI ports
100BaseTX
port with
MII connector
100BaseTX
port with
RJ-45 connector
RJ45(GRN)
MII (YEL)
LINK
RX
TX
100BaseTX
100 MB ETHERNET
(RJ45
ONLY)
(RJ45
ONLY)
MEDIUM INDEPENDENT INTERFACE
(MII)