Cisco Router 3600 Hardware Installation Manual page 30

Interface Numbering
Figure 1-8
AI C- 64
AS YN C
31
30 27
26
29
28 25
24
15
11
14
13 10
9
12
8
The slot number for all WIC interfaces is always 0. (The W0 and W1 slot designations are for physical
Note
slot identification only.) Interfaces in the WICs are numbered from right to left, starting with 0/0 for each
interface type, regardless of which physical slot the WICs are installed in. Some examples are:
–
–
–
Cisco 3600 Series Routers Hardware Installation Guide
1-10
Interface Numbering—Example
Internal connections to serial 2/0
Serial 0/2
CO NN
1
CO NN
3
CO NN
2
CO NN
4
ST AT
EN
AS YN C
24- 31
23
19
22
21 18 AS YN C
17 16- 23
20
AS YN C
16
8-1 5
7
3
6
2
5 AS YN C
1 0-7
4
0
SEE MAN
UAL BEF DSU
EN ORE INS
TAL LAT ION
56K
FastEthernet 0/0
Serial 1/0 to 1/7
Serial 1/16 to 1/23
Serial 1/8 to 1/15
Serial 1/24 to 1/31
If slot W0 is empty and slot W1 contains a 1-port serial WIC, the interface in the WIC is
numbered serial 0/0.
If slot W0 contains a 2-port serial WIC and slot W1 contains a 1-port serial WIC, the interfaces
in physical slot W0 are numbered serial 0/0 and serial 0/1, and the interface in physical slot W1
is numbered serial 0/2.
If slot W0 contains a 2-port serial WIC and slot W1 contains a 1-port BRI WIC, the interfaces
in physical slot W0 are numbered serial 0/0 and serial 0/1, and the interface in physical slot W1
is numbered BRI 0/0.
Chapter 1
Serial 0/0
Serial 0/1
SEE MAN
UAL BEF
ORE INS
TAL LAT ION
Console/AUX
ports
Overview of Cisco 3600 Series Routers
OL-2056-05