13-3
Cisco Network Modules Hardware Installation Guide
OL-2485-20
Chapter 13 Connecting HSSI Network Modules
HSSI Network Module LEDs
Figure 13-3 Connecting Two Routers Back to Back
HSSI Network Module LEDs
All network modules have an enable (EN) LED. The enable LED indicates that the module has passed
its self-tests and is available to the router. The HSSI network module has the additional LEDs shown in
Figure 13-4
and described in
Table 13-1
.
Figure 13-4 HSSI Network Module LEDs
EN
11711
HIGH SPEED SERIAL
1HSSI
HSSI 0
TD
TC
RD
RC
LB/CN
EN
10/100 bTX
FAST ETHERNET
1FE
COL
LINK
100
MBPS
FULL
DPLX
HSSI network
module
Router
INPUT 100-240VAC 50/60HZ 3.0-1.5 AMPS
2E
2W
W1
ETHERNET 1
ETHERNET 0
EN
AUI
WO
ACT
LNK
ACT
LNK
AC
T
SERIAL
BRI
NT1
B1
B2
NT1
2
3
1
SEE MANUAL BEFORE INSTALLATION
HSSI port
Null modem cable
EN
HIGH SPEED SERIAL
1HSSI
11712
HSSI 0
Enable LED
HSSI port LEDs
TD
TC
RD
RC
LB/CN