Figure 1-1 shows the following interface numbers, First ethernet interface—ethernet 0/0, Token ring interface—token ring 0/0 – Cisco 3600 User Manual
Page 5: Slot w0, serial interface 0—serial 0/0, Slot w1, serial interface 1—serial 0/1

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Cisco Network Module Hardware Installation Guide
DOC-NTWRKMOD-HIG=
Overview of Cisco Network Modules
Cisco 2600 Series Routers
Figure 1-1
Cisco 2600 Series Port Numbers
Figure 1-1 shows the following interface numbers:
•
First Ethernet interface—Ethernet 0/0
•
Token ring interface—Token Ring 0/0
•
Slot W0, serial interface 0—Serial 0/0
•
Slot W1, serial interface 1—Serial 0/1
•
Slot 1, asynchronous/synchronous serial port 0—Serial 1/0
•
Slot 1, asynchronous/synchronous serial port 1—Serial 1/1
•
Slot 1, asynchronous/synchronous serial port 2—Serial 1/2
•
Slot 1, asynchronous/synchronous serial port 3—Serial 1/3
Cisco 2612
100-240V– 1A
50/60 Hz 47 W
W0
W1
28308
Ethernet
0/0
Auxiliary
port
Console
port
Serial 0/0
Serial 0/1
AUX
CONSOLE
ETHERNET 0/0 ACT
LINK
ACT
TOKEN RING 0/0
LINK
SERIAL
CONN
W0
SERIAL
CONN
Token
Ring 0/0
Serial 1/0
CN/LP
2
1
0
3
RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
EN
SERIAL
A/S
Serial 1/2
Serial 1/1
Serial 1/3