C-NIM-2T – 2x100M/1G RJ45/SFP – Catalyst 8200/8300 WAN NIM – MACsec
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C-NIM-2T Description
C-NIM-2T is a Cisco Catalyst 8000 Gigabit Ethernet WAN Network Interface Module for Catalyst 8200, Catalyst 8200L, and Catalyst 8300 edge platforms. It expands a router NIM slot for routed WAN handoffs where copper and fiber media need to be matched in the same branch or edge platform, using two dual-mode 100-Mbps/1-Gbps GE/SFP port groups with one active RJ-45 or SFP media choice per group. Cisco confirms support for 100BASE-TX and 1000BASE-T copper, 100BASE-FX and 1000BASE-X SFP fiber, 256-bit WAN MACsec, and Cisco IOS XE 17.6.1 as the listed minimum software version for this module family.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C-NIM-2T |
|
Product type |
Dual combo GE/SFP WAN Network Interface Module |
|
Cisco ordering description |
Cisco 2-port 100-Mbps/1-Gbps dual-mode GE/SFP Network Interface Module |
|
Ordering form |
C-NIM-2T (=) |
|
Form factor |
NIM |
|
WAN port design |
Two RJ-45/SFP port groups |
|
Copper media support |
100BASE-TX and 1000BASE-T |
|
SFP media support |
100BASE-FX and 1000BASE-X |
|
Active media rule |
One RJ-45 or SFP port from each group can be used simultaneously |
|
Supported platform family |
Catalyst 8200 Series, Catalyst 8200L, and Catalyst 8300 Series |
Application Scenarios
Installed in a Catalyst 8200 or Catalyst 8300 edge router where two WAN circuits need 100M or 1G Ethernet termination with either copper or SFP media.
Used when the same router BOM must support RJ-45 carrier handoff on one circuit and fiber SFP handoff on another without changing the WAN NIM.
Placed behind a C-SM-NIM-ADPT carrier in a Catalyst 8300 design when the router slot plan needs supported 1- and 2-port NIMs in an SM-X adapter path.
Product Comparison
|
Parameter |
C-NIM-2T | ||
|---|---|---|---|
|
Product type |
2-port 100-Mbps/1-Gbps dual-mode GE/SFP WAN NIM |
1-port 10-Gbps/1-Gbps SFP+ WAN NIM |
1-port 2.5-Gbps/1-Gbps RJ-45 WAN NIM |
|
Form factor |
NIM |
NIM |
NIM |
|
WAN connection |
100/1000BASE-T and 1000BASE-X SFP |
1000BASE-X SFP and 10-Gbps SFP+ |
100/1000/2500M BASE-T |
|
Connection media |
Two RJ-45/SFP groups with one active media choice per group |
One SFP/SFP+ port |
One RJ-45 port |
|
Catalyst platform support |
Catalyst 8300 and 8200 Series, 8200L |
Catalyst 8300 Series only |
Catalyst 8300 and 8200 Series, 8200L |
|
Required Cisco IOS XE version |
17.6.1 |
17.3.2 |
17.6.1 |
|
Power over Ethernet |
No |
No |
90W IEEE 802.3 af/at/bt |
|
MACsec support |
256-bit WAN MACsec |
256-bit WAN MACsec |
No |
|
10G backplane connection to forwarding engine |
No |
Yes |
No |
|
Direct NIM-slot service behavior |
Online insertion only |
Online insertion only |
Online insertion only |
|
Cisco ordering description |
Cisco 2-port 100-Mbps/1-Gbps dual-mode GE/SFP Network Interface Module |
Cisco 1-port 10-Gbps/1-Gbps SFP+ WAN Network Interface Module |
Cisco 1-port 2.5-Gbps/1-Gbps RJ-45 WAN Network Interface Module |
- C-NIM-2T vs C-NIM-1X is mainly a speed and media decision: C-NIM-2T provides two 100M/1G RJ-45/SFP WAN groups, while C-NIM-1X provides one 1G/10G SFP/SFP+ WAN port for Catalyst 8300 platforms only.
- C-NIM-2T vs C-NIM-1M separates dual-media WAN flexibility from one higher-speed copper port: C-NIM-2T supports two combo groups and 256-bit WAN MACsec, while C-NIM-1M is the one-port 100/1000/2500M BASE-T module with 90W PoE.
- The table-backed ordering split is clear: C-NIM-2T fits dual 100M/1G routed WAN handoffs, C-NIM-1X fits a single 10G SFP+ WAN requirement, and C-NIM-1M fits one mGig RJ-45 WAN connection with UPOE+.
Selection Guide
1. Dual 1G Media Flexibility
C-NIM-2T fits router designs that need two WAN port groups and must keep the media decision open between RJ-45 copper and SFP fiber at 100M or 1G.
2. 10G SFP+ Boundary
A design that needs one 10G SFP+ WAN interface should move to C-NIM-1X, but that module is documented for Catalyst 8300 Series platforms and not Catalyst 8200 Series platforms.
3. mGig Copper And PoE
C-NIM-1M is the adjacent choice when the requirement is one 100/1000/2500M RJ-45 WAN port with 90W IEEE 802.3 af/at/bt PoE instead of two dual-mode GE/SFP groups.
4. Slot Service Plan
Direct NIM-slot installation supports online insertion only, while the C-SM-NIM-ADPT path is the documented way to get full OIR behavior for supported 1- and 2-port NIMs in Catalyst 8300 designs.
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact SKU |
Confirm C-NIM-2T and not C-NIM-2T. |
C-NIM-2T is a Catalyst 8000 dual-mode Ethernet WAN NIM, while C-NIM-2T is a different serial WAN module. |
|
Host platform |
Confirm Catalyst 8200 Series, Catalyst 8200L, or Catalyst 8300 Series support. |
Unsupported host routers change the module choice. |
|
Software baseline |
Confirm IOS XE 17.6.1, XE SD-WAN 17.6.1, and vManage 20.6.1 where SD-WAN management applies. |
Older software can block deployment. |
|
Media plan |
Confirm whether each WAN handoff uses RJ-45 copper or SFP fiber. |
Each port group supports one active media choice, not both connectors at the same time. |
|
SFP selection |
Confirm the optic is on Cisco’s C-NIM-2T supported SFP list. |
Unsupported SFP entries can show link or fault-state problems even when the form factor fits. |
|
Service window |
Confirm whether direct NIM-slot online insertion is sufficient or whether C-SM-NIM-ADPT full OIR behavior is required. |
The service procedure differs by slot path. |
|
MACsec requirement |
Confirm 256-bit WAN MACsec is the required security capability. |
Choosing C-NIM-1M changes that MACsec boundary. |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | C-NIM-2T | Product type | Dual combo GE/SFP WAN Network Interface Module |
| Cisco ordering description | Cisco 2-port 100-Mbps/1-Gbps dual-mode GE/SFP Network Interface Module | Ordering form | C-NIM-2T (=) |
| Form factor | NIM | WAN port design | Two RJ-45/SFP port groups |
| RJ-45 ports | Two copper line ports | SFP ports | Two fiber ports |
| Copper media support | 100BASE-TX and 1000BASE-T | SFP media support | 100BASE-FX and 1000BASE-X |
| Active media rule | One RJ-45 or SFP port from each group can be used simultaneously | Supported platform family | Catalyst 8200 Series, Catalyst 8200L, and Catalyst 8300 Series |
| Minimum Cisco IOS XE version | 17.6.1 | Minimum XE SD-WAN version | 17.6.1 |
| Minimum vManage version | 20.6.1 | WAN MACsec support | 256-bit WAN MACsec |
| Power over Ethernet | No | 10G backplane connection | No |
| Direct NIM-slot service behavior | Online insertion only | C-SM-NIM-ADPT support | C-NIM-2T is listed as supported |
| SM-X adapter service behavior | Full OIR for supported 1- and 2-port NIMs | Supported SFP scope | Cisco-listed 100M and 1G SFP transceivers for C-NIM-2T |
| Dimensions | 1.25 x 3.50 x 7.24 in. (32 x 89 x 184 mm) | Weight | 360 grams |
| Operating temperature | 32 to 104 degrees F (0 to 40 degrees C) | Storage temperature | -38 to 150 degrees F (-40 to 70 degrees C) |
| Relative humidity | 5% to 95% | Operating humidity | 5% to 85% |
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Customer Reviews
Questions & Answers
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What is C-NIM-2T used for?
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When is C-NIM-2T selected?
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How is C-NIM-2T different from voice NIMs?
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What cable planning matters for C-NIM-2T?
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Can C-NIM-2T replace Ethernet WAN ports?
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What platform check applies to C-NIM-2T?
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Which router support check applies to C-NIM-2T?
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What migration question does C-NIM-2T answer?
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