Cisco NM-1HSSI High Speed Serial Interface Network Module / Line Card (T3 / DS3) for Cisco 2600XM Series, 2691, 2800, 2811, 2821, 2851, 3640, 3700 Series, 3725, 3745, 3800 Series, 3825, 3845 – New Pull
Cisco recommends a maximum of one NM-1HSSI in a 2691, 2800,3725, or a 3825 and a maximum of two NM-1HSSIs in a 3745 or 3845.
The High Speed Serial Interface (HSSI) is a single port, network module interface that supports speeds up to 52 Mbps over a Wide Area Network. The HSSI network module for the 3600 requires an external T3/E3 CSU for connectivity to the WAN, or can be used in a back-to-back configuration, without the requirement for an external CSU. For use in the Enterprise or Service Provider environment; the HSSI network module can be used for point-to-point connections, Frame-Relay services, or used with inverse multiplexers to distribute your bandwidth over multiple T1/E1 lines.
- Optional Cables:
- CAB-HSI1 – HSSI: Cable to TE/E3 CSU, male-to-male connectors, 10 ft
- CAB-HNUL – HSSI: Back-to-back connection cable, male-to-male connectors, 10 ft
- Restrictions
- Maximum 1 supported per 3620, 3725, 2691, 2800,3725, or 3825
- Maximum 2 3745 or 3845
- Maximum 3 supported per 3640
- Maximum 6 supported per 3660
- Currently not supported in the Cisco 2600 series.
Cisco Serial Network Connectivity Network Modules Specifications
Table 5.Ā Technical Specifications
Specification |
NM-1HSSI, NM-4T, NM-4A/S, NM-8A/S, NM-16A/S, NM-16A, NM-32A |
Dimensions (H x W x D) |
1.55 x 7.10 x 7.2 inches, 4 x 18 x 18.3 cm |
Weight |
2 lbs., 1 Kg Max |
Environmental Conditions |
Ā· Operational temp. 32-104Ā° F (0-40Ā° C),
Ā· Nonoperational temp -13-158Ā° F (-2 – 70Ā° C) |
Relative Humidity |
5-95% non-condensing |
EMI |
FCC Class A EMI |
Table 6.Ā Supported Features of Serial Network Modules
Network Module |
Connector |
Synchronous |
Sync Max. Speed |
Asynchronous |
Full Duplex |
Half Duplex |
Bisync |
NM-1HSSI |
HSSI |
Yes |
52 Mbps |
No |
Yes |
No |
No |
NM-4T |
DB-60 |
Yes |
8 Mbps |
No |
Yes |
No |
No |
NM-4A/S, NM-8A/S |
DB-60 |
Yes |
128 Kbps |
Yes |
Yes |
Yes |
Yes |
NM-16A/S |
Smart Serial |
Yes |
128 Kbps |
Yes |
Yes |
Yes |
Yes |
NM-16A, NM-32A |
High Density Async |
No |
N/A |
Yes |
Yes |
No |
No |
Table 7.Ā Serial Protocols Supported
Network Module |
HSSI |
EIA-232D |
EIA-449 |
EIA-530* |
EIA-530A* |
V.35 |
X.21 |
NM-1HSSI |
Yes |
No |
No |
No |
No |
No |
No |
NM-4T |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
NM-4A/S, NM-8A/S |
No |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
NM-16A/S |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
NM-16A, NM-32A |
No |
Yes |
No |
No |
No |
No |
No |
* EIA-530 and EIA-530A are supported in DTE mode only.
Table 8.Ā Supported Platforms
Network Module |
2600XM Series |
3620,3640, 3660, 2691 |
2811, 2821, 2851 |
3700 Series |
3800 Series |
NM-1HSSI* |
No |
Yes |
Yes |
Yes |
Yes |
NM-4T |
No |
Yes |
No |
Yes |
Yes |
NM-4A/S, NM-8A/S |
Yes |
Yes |
Yes |
Yes |
Yes |
NM-16A/S |
Yes |
Yes |
Yes |
Yes |
Yes |
NM-16A, NM-32A |
Yes |
Yes |
Yes |
Yes |
Yes |
* Cisco recommends a maximum of one NM-1HSSI in a 2691, 2800,3725, or a 3825 and a maximum of two NM-1HSSIs in a 3745 or 3845.
Note:Ā Please see the Cisco Software Advisor for minimum IOS versions required to support a specific network module in a specific router.
Weight:Ā 4Ā lb
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