Cisco 3640 Series Manual del usuario - Página 8
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Interface Numbering
Interface Numbering
Cisco 3620 and Cisco 3640 Interfaces
Each individual network interface on a Cisco 3620 or Cisco 3640 router is identified by a slot number
and a unit number.
Slot Numbering
The Cisco 3620 or Cisco 3640 router chassis contains two or four slots in which you can install modules.
You can install any module into any available slot in the chassis. For Cisco 3620 and Cisco 3640 routers,
the slots are numbered as follows:
•
•
•
•
Unit Numbering
Cisco 3600 series routers have unit numbers that identify the interfaces on the modules and WAN
interface cards installed in the router. Unit numbers begin at 0 for each interface type, and continue from
right to left and (if necessary) from bottom to top. Modules and WAN interface cards are identified by
interface type, slot number, followed by a forward slash (/), and then the unit number; for example,
Ethernet 0/0.
Figure 1-7
installed in the module in slot 0. One serial and one ISDN BRI WAN interface card are installed in the
module in slot 1.
Figure 1-7
Cisco 3600 Series Unit Numbers
Serial 0/1
Serial 1/0
BRI 1/0
3
2E
W1
2W
B1
B2
SEE MAN
UAL BEF
BRI
ORE INST
ALLA TION
NT1
W0
2E
W1
2W
1
SER IAL
ETH ERN
ET 1
ETH ERN
ET 0
AUI
EN
thernet 1/1
Ethernet 1/0
Ethernet 0/1
Cisco 3600 Series Routers Hardware Installation Guide
1-8
Slot 0 is at the bottom right (as viewed from the rear of the chassis), near the power supply.
Slot 1 is at the bottom left.
Slot 2 is at the top right, above slot 0.
Slot 3 is at the top left, above slot 1.
shows a router with a 2E 2-slot module in slots 0 and 1. Two serial WAN interface cards are
Serial 0/0
2
SER IAL
W0
SER IAL
ETH ERN
ET 1
ETH ERN
ET 0
AUI
EN
IN PU T
10 0- 24 0V
AC 50 /6
Ethernet 0/0
Power supply
0H Z 3. 0-
1. 5 AM
PS
Chapter 1
Overview of Cisco 3600 Series Routers
OL-2056-05