Cisco 7120 Series User Manual page 19

Chapter 1 Overview
Figure 1-21
the router.
Figure 1-21 Cisco 7140-2MM3—Back View
5
I
EN
CEL CAR ALM
LEDs
ATM OC-3 multimode
The Cisco 7140-2AT3, Cisco 7140-2AE3, and Cisco 7140-2MM3 WAN ports have one enabled (EN)
LED and three status LEDs (each port has a set of status LEDs). The LEDs are in the same location and
labeled the same on each model. After system initialization, the enabled LED goes on to indicate that
the ports have been enabled for operation. If the initialization fails for any reason, the enabled LED will
not go on. The LEDs are shown in
Figure 1-22 Cisco 7140-2AT3 WAN Port LEDs
EN
5
I
RX
EN
CEL CAR ALM
Table 1-7
LED Label
EN
RX CEL
RX CAR
RX ALM
78-6341-03
shows the back of the Cisco 7140-2MM3. Access to the interfaces is located at the back of
Fast Ethernet 0/1
Service module
Fast Ethernet 0/0
155 - MM
RX TX
RX
Fixed LAN ports
WAN port
ATM 1/0
LEDs
RX
CEL CAR ALM
TX RX
E3
Cisco 7140-2AT3, Cisco 7140-2AE3, and Cisco 7140-2MM3 LED Descriptions
Color State
Green On
Green On
Green On
Red On
Modular port adapter
SLOT 0 SLOT 1
ACT ACT
LNK LNK
0 1
CONS
FE 0 / 0 FE 0 / 1
155 - MM
RX TX
EN RX
CEL CAR ALM
LEDs
Console and
ATM OC-3
auxiliary ports
multimode
WAN port
ATM 2/0
PC Card
slots (covered)
Figure 1-22 and described in
Function
Indicates the port is ready.
Indicates the port has received an ATM cell.
Indicates the port has detected a carrier on the receiver cable.
For a fiber-optic interface, this means that light is detected, and
a valid frame is detected.
Indicates the router detected an alarm condition.
Cisco 7100 Series VPN Router Installation and Configuration Guide
Cisco 7140 Series Overview
AC OK
DC OK
OTF
PWR
0
AC OK
SYS
RDY DC OK
AUX
OTF
2
7140 - 2MM3
Power supplies
Table 1-7.
1-19