NIM-1T – 1-Port Serial WAN – Smart Serial NIM – 8 Mbps
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NIM-1T Description
NIM-1T is a Cisco 4000 Series ISR 1-port synchronous serial WAN Network Interface Module for low-density leased-line, HDLC, PPP, or Frame Relay router connectivity.
This SKU fits router bills that need one Smart Serial WAN interface rather than a higher-density serial module. NIM-2T and NIM-4T use the same serial NIM family and 8 Mbps per-port ceiling, but they add two or four serial ports for larger WAN aggregation designs.
Order review should confirm the target ISR 4000 platform, available NIM slot, Cisco IOS XE support level, IP Base feature set, DTE or DCE cable type, and encapsulation plan before quoting this as a serial WAN interface module.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
NIM-1T |
|
Product family |
Cisco 4000 Series Integrated Services Router serial WAN Network Interface Modules |
|
Product type |
1-port synchronous serial WAN NIM |
|
Cisco description |
1-Port Serial WAN Interface Card |
|
Interface role |
Synchronous serial WAN connectivity |
|
Connector type |
Smart Serial / 12-in-1 |
|
Connector count |
1 |
|
Ports per connector |
1 |
|
Maximum data rate per port |
8 Mbps |
|
Supported interfaces |
V.35, RS-232, X.21, EIA/TIA-449, EIA-530, and EIA-530A |
|
Supported encapsulations |
HDLC, PPP, and Frame Relay |
|
4400 Series software baseline |
Cisco IOS XE Release 3.12S or later with IP Base feature set |
|
Physical form factor |
Single-wide NIM with no slot restrictions |
Application Scenarios
Use NIM-1T when a branch router needs one synchronous serial WAN connection and the project does not require the extra ports of NIM-2T or NIM-4T.
Select this module when the circuit design already specifies a Cisco Smart Serial cable type such as V.35, EIA/TIA-232, EIA/TIA-449, X.21, EIA/TIA-530, or EIA/TIA-530A.
Use NIM-1T for designs that still require HDLC, PPP, or Frame Relay encapsulation on a synchronous serial interface within the Cisco 4400 Series ISR software support context.
Product Comparison
|
Parameter |
NIM-1T | ||
|---|---|---|---|
|
Product family |
Cisco 1-, 2-, and 4-port serial NIMs |
Cisco 1-, 2-, and 4-port serial NIMs |
Cisco 1-, 2-, and 4-port serial NIMs |
|
Cisco description |
1-Port Serial WAN Interface Card |
2-Port Serial WAN Interface Card |
4-Port Serial WAN Interface Card |
|
Product type |
Synchronous serial WAN NIM |
Synchronous serial WAN NIM |
Synchronous serial WAN NIM |
|
Connector type |
Smart Serial / 12-in-1 |
Smart Serial / 12-in-1 |
Smart Serial / 12-in-1 |
|
Connector count |
1 |
2 |
4 |
|
Ports per connector |
1 |
1 |
1 |
|
Maximum data rate per port |
8 Mbps |
8 Mbps |
8 Mbps |
|
Supported interfaces |
V.35, RS-232, X.21, EIA/TIA-449, EIA-530, and EIA-530A |
V.35, RS-232, X.21, EIA/TIA-449, EIA-530, and EIA-530A |
V.35, RS-232, X.21, EIA/TIA-449, EIA-530, and EIA-530A |
|
Supported encapsulations |
HDLC, PPP, and Frame Relay |
HDLC, PPP, and Frame Relay |
HDLC, PPP, and Frame Relay |
|
4400 Series platform quantity in Cisco datasheet |
Up to 3 modules on Cisco 4451-X |
Up to 3 modules on Cisco 4451-X |
Up to 3 modules on Cisco 4451-X |
|
4400 Series software baseline |
Cisco IOS XE Release 3.12S or later with IP Base feature set |
Cisco IOS XE Release 3.12S or later with IP Base feature set |
Cisco IOS XE Release 3.12S or later with IP Base feature set |
|
Cisco 4000 Series interfaces page description |
1-Port Serial High-Speed WAN Interface Card |
2-Port Serial High-Speed WAN Interface Card |
4-Port Serial High-Speed WAN Interface Card |
- In a NIM-1T vs NIM-2T comparison, the confirmed difference is connector and port count: NIM-1T has one serial connector, while NIM-2T has two.
- The NIM-1T vs NIM-4T difference is serial-port density, because Cisco lists four connectors on NIM-4T and one connector on NIM-1T while keeping the same per-port maximum data rate.
- For buyers comparing NIM-1T vs NIM-2T or NIM-4T, the model to choose depends on required serial circuit count, available NIM slots, cable count, and the confirmed 8 Mbps per-port limit.
Selection Guide
1. Choose NIM-1T for one synchronous serial circuit
Select NIM-1T when the bill of materials needs a single Smart Serial WAN interface in an ISR 4000 NIM slot.
2. Move to NIM-2T when two circuits share the same router
Choose NIM-2T instead when the same router needs two synchronous serial WAN ports and the design still fits the shared serial NIM family.
3. Use NIM-4T for higher serial density
Select NIM-4T when the confirmed requirement is four serial WAN ports and the target platform support table allows the module.
4. Verify cable and protocol before quote release
Check whether each circuit requires DTE or DCE cabling, supported serial interface type, HDLC, PPP, or Frame Relay encapsulation, and Cisco IOS XE support before adding NIM-1T to the order.
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact SKU |
NIM-1T |
Confirms the order is for the single-port serial WAN NIM rather than NIM-2T or NIM-4T |
|
Router platform |
Cisco ISR 4000 platform with a supported NIM slot |
Cisco documents this serial WAN NIM family for ISR 4000 and 4400 Series contexts |
|
Port count |
1 synchronous serial WAN port |
Separates this SKU from the two-port and four-port serial NIM options |
|
Cable type |
Cisco Smart Serial cable matched to V.35, RS-232, X.21, EIA/TIA-449, EIA-530, or EIA-530A |
The selected cable determines the physical serial interface and DTE or DCE role |
|
Software baseline |
Cisco IOS XE Release 3.12S or later with IP Base feature set for 4400 Series deployments |
Matches Cisco’s documented software baseline for the serial NIM family |
|
Encapsulation |
HDLC, PPP, or Frame Relay |
Keeps the module scoped to the encapsulations Cisco documents for these synchronous serial NIMs |
|
Slot service procedure |
Slot power shutdown or Cisco OIR command process before installation or removal |
Aligns field handling with Cisco’s hardware installation procedure |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Brand | Cisco | Product ID | NIM-1T |
| Product family | Cisco 4000 Series ISR serial WAN Network Interface Modules | Product type | Synchronous serial WAN NIM |
| Cisco description | 1-Port Serial WAN Interface Card | Connector type | Smart Serial / 12-in-1 |
| Connector count | 1 | Ports per connector | 1 |
| Maximum data rate per port | 8 Mbps | Supported interfaces | V.35, RS-232, X.21, EIA/TIA-449, EIA-530, and EIA-530A |
| Supported encapsulations | HDLC, PPP, and Frame Relay | Synchronous support | Yes |
| 4400 Series software baseline | Cisco IOS XE Release 3.12S or later | Feature set baseline | IP Base feature set |
| Physical form factor | Singlewide NI, no slot restrictions | Supported platform quantity in datasheet | Up to 3 modules on Cisco 4451-X |
| Clock rate range | 1200 to 8000000 bps for DCE interfaces | Default MTU | 1500 bytes |
| MTU range | 64 to 8100 bytes | Half duplex support | Not supported |
| Physical dimensions | 1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 cm) | Operating temperature | 32 to 104 degrees F (0 to 40 degrees C) |
| Storage temperature | -4 to 149 degrees F (-20 to 65 degrees C) | Relative humidity | 10 to 90 percent, noncondensing |
Get More Information
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