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Cisco Network Modules Hardware Installation Guide
OL-2485-20
Chapter 28 Connecting Cisco High-Density Extension Modules
Cisco High-Density Analog and Digital Extension Module for Voice and Fax
Caution
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
connect the 8-port analog voice/fax expansion module (EM-HDA-8FXS) and 4-port digital voice/fax
expansion module (EM-4BRI-NT/TE) only to intrabuilding or nonexposed wiring or cabling. The
intrabuilding cable must be shielded and the shield must be grounded at both ends.
Cisco High-Density Extension Module LEDs and Interfaces
Figure 28-1
shows high-density extension module LEDs and interfaces.
Figure 28-1 Cisco High-Density Extension Module (EVM-HD-8FXS/DID) LEDs
1
EM0: Green indicates presence of an installed
expansion module in slot EM0.
3
EN: Green indicates that the network module
has passed self-test and is available to the
router.
2
EM1: Green indicates presence of an installed
expansion module in slot EM1.
4
RJ-21 connector for use with RJ-21 cable.
103159
EN
EM0
EM1
EVM-HD
1
26
50
25
EM
EM
8FXS/DID
None
None
0
1
1
2
4
3