104
ANALOG AND ISDN BASIC RATE VOICE NETWORK MODULES
Product
Description
Supported Platforms and Minimum Cisco
IOS Versions
Comments
EM-HDA-6FXO
6-port FXO voice and fax
expansion module
Provides off-premises
connection to the central
office. This module
supports FXO power
failover. If power to the
router fails, this feature
helps enable a direct
metallic path between an
FXO port and a special
“red” telephone to provide
a direct line to the PSTN.
Use with the Cisco High-
Density Extension Module
(EVM-HD-8FXS/DID)
baseboard.
Modular Router Solutions
Voice and Fax Integration
3800 Series - 12.3(11)T
2851 - 12.3(8)T4
2821 - 12.3(8)T4
Not supported on 12.3
Mainline; only 12.3T and
later.
Requires a Cisco high-
density analog and digital
extension module
(EVM-HD-8FXS/DID).
EM-HDA-3FXS/4FXO
3-port FXS and 4-port FXO
voice and fax expansion
module
Provides on-premises
FXS signaling to connect
directly to a standard
telephone, fax machine,
or similar device and
supplies ring, voltage,
and dial tone. In addition,
the FXO ports provide off-
premises connection to
the central office. Use with
the Cisco High-Density
Extension Module (EVM-
HD-8FXS/DID) baseboard.
Modular Router Solutions
Voice and Fax Integration
3800 Series - 12.3(11)T
2851 - 12.3(8)T4
2821 - 12.3(8)T4
Not supported on 12.3
Mainline; only 12.3T and
later.
Requires a Cisco high-
density analog and digital
extension module
(EVM-HD-8FXS/DID).
105EM-HDA-4FXO
4-port voice/fax expansion
module – FXO
Provides four off-premise
analog connections to the
central office. Country
settings are configurable.
Includes support for
battery polarity reversal
detection and Caller ID.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.2(8)T
3660 Series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.2(8)T1
2600XM Series – 12.2(8)T1
2650 Series – 12.2(4)XT
2620 Series – 12.2(4)XT
2610 Series – 12.2(4)XT
Prior to Cisco IOS 12.3
Mainline, requires a Cisco
IOS “Plus” feature set.
12.3 Mainline and forward
supported in “IP Voice”
feature set.
Requires a high-density
analog voice/fax network
module (NM-HDA-4FXS).
EM-HDA-8FXS
8-port voice/fax expansion
module – FXS
Provides an additional
eight FXS ports for
connections directly
to analog phones, fax
machines, and key.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.2(8)T
3660 Series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.2(8)T1
2600XM Series – 12.2(8)T1
2650 Series – 12.2(4)XT
2620 Series – 12.2(4)XT
2610 Series – 12.2(4)XT
Prior to Cisco IOS 12.3
Mainline, requires a Cisco
IOS “Plus” feature set.
12.3 Mainline and forward
supported in “IP Voice”
feature set.
Requires a high-density
analog voice/fax network
module (NM-HDA-4FXS)
or a Cisco high-density
analog and digital
extension module (EVM-
HD-8FXS/DID).
DSP-HDA-16
16-channel DSP module
for NM-HDA
Enables an additional
eight high-complexity or
16 medium-complexity
voice calls on NM-HDA.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.2(8)T
3660 Series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.2(8)T1
2600XM Series – 12.2(8)T1
2650 Series – 12.2(4)XT
2620 Series – 12.2(4)XT
2610 Series – 12.2(4)XT
Prior to Cisco IOS 12.3
Mainline, requires a Cisco
IOS “Plus” feature set.
12.3 Mainline and forward
supported in “IP Voice”
feature set.
Requires a high-density
analog voice/fax network
module (NM-HDA-4FXS).
ANALOG AND ISDN BASIC RATE VOICE NETWORK MODULES
Product
Description
Supported Platforms and Minimum Cisco
IOS Versions
Comments
NM-HDV2
High-density digital voice/
fax module
Supports a VIC/VWIC slot
that can be fitted with
either digital or analog/BRI
voice/WAN interface cards.
Supports a maximum
of 60 channels of digital
voice, or four channels of
analog voice in medium
complexity codec. Must
be used with up to four
PVDM2 Packet Fax/Voice
DSP modules.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.3(7)T
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.3(7)T
2600XM Series – 12.3(7)T
Not supported on 12.3
Mainline; only 12.3T and
later.
Cisco Network Modules Cisco Network Modules
EM-4BRI-NT/TE
4-port voice and fax
expansion module
A support BRI (NT and
TE) for use with the Cisco
High-Density Extension
Module (EVM-HD-8FXS/
DID) baseboard. This
module allows connection
to an ISDN S/T network
by replicating either
the network side or the
terminal side. This module
provides four on-premises
S/T BRI trunk connections
to the ISDN PBX.
Modular Router Solutions
Voice and Fax Integration
3800 Series - 12.3(11)T
2851 - 12.3(8)T4
2821 - 12.3(8)T4
Not supported on 12.3
Mainline; only 12.3T and
later.
Requires a Cisco high-
density analog and digital
extension module
(EVM-HD-8FXS/DID).