Cisco 3600 Series Owner's Manual - Page 11

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Cisco 3600 Series Owner's Manual
Chapter 1
Overview of Cisco 3600 Series Routers

Cisco 3660 Interfaces

Each individual network interface on a Cisco 3600 series router is identified by a slot number and port
number.
Slot Numbering
The Cisco 3660 router chassis has six network module slots. Each network module slot accepts a variety
of network module interface cards, supporting a variety of LAN and WAN technologies.
shows the locations of the network module slots.
Figure 1-9
Cisco 3660 Slot Numbers
VOICE
2V
VIC
FXS
V1
SERIAL
4T
SERIA L 3
SERIA L 2
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
Slot 6
Slot 4
Slot 2
Modules and WAN interface cards are identified by interface type, slot number, followed by a forward
slash (/), and then the port number; for example, Ethernet 0/0.
•
•
Port numbers usually begin at 0 for each interface slot, and continue from right to left and, if necessary,
from bottom to top. However, interface numbering for the Cisco 3660 series routers and for Ethernet and
Token Ring network modules with two WAN interface card slots differs in the following ways:
•
•
OL-2056-05
HIGH SPEED SERIAL
1HSSI
1
SEE MANUAL BEFORE INSTALLAT
0
ION
V0
EN
ETHERNE T
4E
SERIA L 1
SERIA L 0
ETH 3
ETH 2
ETH 1
3
2
1
EN
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
Slot 5
Slot 0
Slot 3
Slot 1
Slot 0 contains fixed Fast Ethernet ports and is located at the top of the chassis.
Slot 1 through Slot 6 accept up to six network modules.
WAN interface card slot numbers always appear as slot 0, even if the interface card is installed in
the slot labeled W1.
WAN interface cards are numbered dynamically, starting with the first card installed. For example:
–
If slot W0 is empty and slot W1 contains a 1-port serial WAN interface card, the interface
number would be serial 0/0.
–
If slot W0 contains a 2-port serial WAN interface card and slot W1 contains a 1-port serial
interface card, serial 0/0 and 0/1 would reside in slot W0 and serial 0/2 would reside in slot W1.
HS
ETH 0
0
LINK
ACT
Cisco 3600 Series Routers Hardware Installation Guide
Interface Numbering
Figure 1-9
1-11