
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
ISDN Basic Rate Interface Network Module
NM-8B-U
Eight-port ISDN-BRI with
NT-1 Network Module
Provides eight ISDN BRI
connections via RJ-45
connectors This network
module has an integrated
NT-1 device
Modular Router Solutions
ISDN Concentration
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
NM-8B-S/T
Eight-port ISDN-BRI
Network Module
Provides eight ISDN BRI
connections via RJ-45
connectors This network
module requires an
external NT-1 device for
connection to the WAN
Modular Router Solutions
ISDN Concentration
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
NM-4B-U
Four-port ISDN-BRI with
NT-1 Network Module
Provides four ISDN BRI
connections via RJ-45
connectors This network
module has an integrated
NT-1 device
Modular Router Solutions
ISDN Concentration
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
NM-4B-S/T
Four-port ISDN-BRI
Network Module
Provides four ISDN BRI
connections via RJ-45
connectors This network
module requires an
external NT-1 device for
connection to the WAN
Modular Router Solutions
ISDN Concentration
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
Cisco Channelized T1/E1 and ISDN Network Modules
Cisco ATM Network Modules
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
ATM OC3 Network Modules
NM-1A-OC3-POM
ATM OC3 Module with
Single POM (SFP) Slot
Provides a single ATM
OC-3 interface for the
Cisco 3800 Series The
network module has a
small form pluggable
(SFP) slot that allows the
user to choose multimode,
single-mode intermediate
reach, or single-mode long
reach optics
Modular Router Solutions
ATM Edge Connectivity
3800 Series–124(4),
124(4)T
Requires a SFP to provide
the optical interface:
SFP-OC3-MM—OC3/
STM1 SFP, multimode ber
SFP-OC3-IR1—OC3/
STM1 SFP, single-mode
ber intermediate reach
SFP-OC3-LR1—OC3/
STM1 SFP, single-mode
ber, long reach (40km)
ATM T3/E3 Network Modules
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
NM-1A-T3
One-port DS3 ATM
Network Module
Provides a single ATM
connection of 45 Mbps for
DS3 using 75 ohm BNC
connectors The network
module supports ATM
Forum-compliant AAL5
Modular Router Solutions
ATM Edge Connectivity
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
123 Mainline and forward
supported in SP Services
feature set
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
NM-1A-E3
One-port E3 ATM Network
Module
Provides a single ATM
connection of 34 Mbps
for E3 using 75 ohm BNC
connectors The network
module supports ATM
Forum-compliant AAL5
Modular Router Solutions
ATM Edge Connectivity
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
2691–122(8)T
2600XM Series–122(12)
Mainline, 122(8)T1
123 Mainline and forward
supported in SP Services
feature set
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
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