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Network Modules for Cisco 3700, 3600 and 2600XM series
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Analog and ISDN Basic Rate Voice Network Modules
Product Description
Supported Platforms
and Minimum
IOS Versions Comments
NM-HDA-4FXS
High density analog
voice/fax network module
with 4 FXS
This base board is always
required for any configu-
ration of NM-HDA. It
comes with four built-in
FXS ports. On board DSP
resources can service
eight voice calls using
high-complexity codecs:
G.711 a/u; G.726 @ 32k,
24k and 16k; G.728; G.729,
A, B, AB; G.723.1 @5.3k
and 6.3k; clear channel
codec, fax relay. Also
supports 16 voice calls
using medium-complexity
codecs: G.711 a/u, G.726 @
32k, 24k, and 16k; G.729A
and AB; clear channel
codec, fax relay. Supports
two expansion modules
and one DSP module.
Modular Router Solutions
Voice & Fax Integration
3700 series – 12.2(8)T
3660 series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
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
Requires an IOS “PLUS”
feature set.
No reliance on other
Network Modules, WAN
Interface Cards, Voice
Interface Cards, or
Advanced Integration
Modules.
EM-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 & Fax Integration
3700 series – 12.2(8)T
3660 series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
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
Requires an IOS “PLUS”
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 & Fax Integration
3700 series – 12.2(8)T
3660 series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
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
Requires an IOS “PLUS”
feature set.
Requires a High-Density
Analog Voice/Fax Network
Module (NM-HDA-4FXS).
DSP-HDA-16
16-channel DSP module
for NM-HDA
Enables an additional 8
high-complexity or 16
medium-complexity voice
calls on NM-HDA.
Modular Router Solutions
Voice & Fax Integration
3700 series – 12.2(8)T
3660 series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
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
Requires an IOS “PLUS”
feature set.
Requires a High-Density
Analog Voice/Fax Network
Module (NM-HDA-4FXS).
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