Cisco 850 Series Manual page 73

Cisco Network Modules
Analog and ISDN Basic Rate Voice Network Modules
Product Description
NM-HD-2VE
Provides a two-slot
voice/fax network module
Two-slot IP Communications
with an integrated digital
Enhanced Voice/Fax
signal processor (DSP),
Network Module
enabling voice and fax
traffic to be routed over
data networks . The user-
configurable expansion
slot accommodate the
addition of up to four Cisco
voice interface cards
or voice/WAN interface
cards . The interface cards
allow up to eight analog
ports, four BRI ports, 24
medium complexity, or
48 G . 7 11 digital T1/E1
voice channels . Connects
to standard telephony
equipment such as PBXs,
key systems, phones, and
fax machines .
Modular Router Solutions
Voice and Fax Integration
NM-HDA-4FXS
This base board is always
required for any configu-
High-density Analog Voice/
ration of NM-HDA . It comes
Fax Network Module with
with four built-in FXS ports .
4 FXS
Onboard DSP resources
can service eight voice
calls using high-complexity
codecs: G . 7 11 a/u; G . 7 26
at 32k, 24k and 16k; G . 7 28;
G . 7 29, A, B, AB; G . 7 23 . 1 at
5 . 3 k and 6 . 3 k; clear channel
codec, fax relay . Also
supports 16 voice calls
using medium-complexity
codecs: G . 7 11 a/u, G . 7 26 at
32k, 24k, and 16k; G . 7 29A
and AB; clear channel
codec, fax relay . Supports
two expansion modules
and one DSP module .
Modular Router Solutions
Voice and Fax Integration
142
continued
Supported Platforms
and Minimum Cisco
IOS Versions Comments
3800 Series–12 . 3 (11)T Requires voice interface
card and voice feature set .
2811, 2821, and 2851–
12 . 3 (8)T4
The VWIC2-1MFT-G703
and VWIC2-2MFT-G703
are not supported on the
NM-HD-2VE .
3800 Series–12 . 3 (11)T Prior to Cisco IOS 12 . 3
Mainline, requires a Cisco
2811, 2821, and 2851–
12 . 3 (8)T4 IOS "Plus" feature set .
12 . 3 Mainline and forward
supported in IP Voice
feature set .
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules .
Analog and ISDN Basic Rate Voice Network Modules
Product Description
EVM-HD-8FXS/DID With support for up to 24
total voice and fax sessions,
High-Density Analog and
the Cisco High-Density
Digital Extension Module
Extension Module is ideal for
for Voice and Fax
networks with high analog
(foreign exchange station
[FXS], direct inward dialing
[DID], and foreign exchange
office [FXO]) and digital
(Basic Rate Interface [BRI])
call-capacity requirements .
Components: Baseboard
with eight ports that can be
configured individually for
FXS or DID signaling . Add up
to two expansion modules in
any combination to increase
voice and fax session
capacity: EM-HDA-8FXS,
EM-4BRI-NT/TE,
EM-HDA-6FXO, EM-HDA-
3FXS/4FXO . Packet
voice DSP modules
(PVDM2s) are used in
combination with the Cisco
High-Density Extension
Module baseboard and
its expansion modules .
PVDM2s are purchased
separately and installed in
the digital signal processor
(DSP) module slots located
inside the Cisco 2821, Cisco
2851, Cisco 3825, and Cisco
3845 Integrated Services
Routers .
Modular Router Solutions
Voice and Fax Integration
EM-4BRI-NT/TE Adds support for BRI
(NT and TE) for use with
Four-port Voice and Fax
the Cisco High-Density
Expansion Module
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
Cisco Network Modules
continued
Supported Platforms
and Minimum Cisco
IOS Versions Comments
Extension Voice Module Requires a Cisco IOS voice
(EVM) slot only: feature set .
2821–12 . 3 (8)T4
2851–12 . 3 (8)T4
Any Network Module Slot:
3825 (1 per router)–
12 . 3 (11)T
3845 (1 or 2 per router)–
12 . 3 (11)T
3800 Series–12 . 3 (11)T Requires a Cisco high-
density analog and digital
2851–12 . 3 (8)T4
extension module
2821–12 . 3 (8)T4
(EVM-HD-8FXS/DID) .
Requires voice feature set .
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