1-4
Cisco 7100 Series VPN Router Installation and Configuration Guide
78-6341-03
Chapter 1 Overview
Product Description
Figure 1-3
Cisco 7120 Series—Back View
Figure 1-4
Cisco 7140 Series—Back View
Cisco 7120 series routers have one power supply with one AC-input power receptacle; Cisco 7140 series
routers have two power supplies with two AC-input power receptacles for power load-sharing and
redundancy. A modular power cable connects each AC-input power supply to the site AC power source.
The router’s main power switch is located next to the AC-input power receptacles.
Cisco 7140 series routers will operate with power connected to either of the two power supplies. The
second AC-input power supply simply enables power load-sharing and redundancy. There is no primary
or secondary power supply for Cisco 7140 series routers.
We recommend powering the router from a 15A receptacle at the power source.
On the side of each chassis are two chassis ground receptacles that provide a chassis ground connection
for a two-hole grounding lug. On the back of the chassis, there is a receptacle for electrostatic discharge
(ESD) equipment. (See
Figure 1-3
and
Figure 1-4
.)
Four internal fans draw cooling air into the chassis (back to front) and across internal components to
maintain an acceptable operating temperature. There are four environmental sensors for monitoring the
cooling air as it leaves the chassis. For more information on environmental monitoring, see the
“Environmental Monitoring and Reporting Functions” section on page 1-39
.
TX
E3
RX
5
I
CONS
FE 0 / 0
FE
ACT
0 / 1
AUX
0
2
ACT
LNK
0
LNK
1
PWR
SYS
RDY
XMTR
RCVR
EN
RCLK FERF RL
AIS OOF LL
7120 - T3
22066
Power supply
Grounding
receptacles
SLOT 0
SLOT 1
PC Card
slots (covered)
Modular port adapter
Fixed LAN ports Console and
auxiliary ports
Fixed WAN port
Service module
ESD receptacle
AC OK
DC OK
OTF
AC OK
DC OK
OTF
RX
TX
E3
RX
5
TX
E3
RX
EN
CEL CAR ALM
I
CONS
FE 0 / 0
FE
ACT
0 / 1
AUX
0
2
7140 - 2AE3
100-240Vac 50/60Hz 5-2.5A 525W
RX
EN
CEL CAR ALM
ACT
LNK
0
LNK
1
PWR
SYS
RDY
SLOT 0
SLOT 1
18482
Power supply
PC Card
slots (covered)
Fixed LAN ports Console and
auxiliary ports
Fixed WAN port
Modular port adapter
Service module
ESD receptacle
Grounding
receptacles