Cisco NIM-2FXS/4FXOP Expansion Module
- Expansion module
- FXS/DID x 2 + FXO x 4
- for ISR 4221
- 4321
- 4331
- 4351
- 4431
| Properties | Cisco NIM-2FXS/4FXOP |
| Description | 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module |
| Product Family | Cisco Voice NIM |
| Product Type | Analog Voice Interface Module |
| Supported Devices | Cisco 4300 and 4400 Series ISRs |
| Ports | 2 x FXS (or DID), 4 x FXO |
| Form Factor | Single-wide NIM Slot |
| Connectivity Technology | Wired (Analog Voice over TDM) |
| DSP | Integrated onboard DSP |
[/properties] [specifications]
| Specifications | NIM-2FXS/4FXOP |
| Number of Ports | 2 x FXS/FXS-E/DID + 4 x FXO |
| Software Compatibility | IOS XE 16.5 or later |
| DSP Features | Echo cancellation (128ms), VAD, CNG, T.38 fax relay, modem passthrough |
| Protocol Support | SCCP, SIP, MGCP, H.323 |
| Audio Codec Support | G.711, G.729a, G.726, G.723, iSAC (transcoding), iLBC (planned) |
| Caller ID Support | Yes (FXS and FXO only) |
| Loop/Ground Start | FXO supports both modes |
| Message Waiting Indicator | Yes |
| Weight | 0.52 lb (236 g) |
| Compliance | TIA-968-B, CS-03, AS/CA S002, S003, PTC220, TBR21 |
[/specifications] [accesories]
| Included Accessories | |
| ā | No additional accessories included in the box |
| Optional Accessories | |
| RACK-MOUNT-KIT | Standard rack-mount accessories for ISR 4000 Series |
| CISCO-SM-NIM-CARRIER | NIM carrier module for SM-X slot compatibility |
| CAB-CONSOLE-RJ45 | RJ45 console cable for CLI configuration |
[/accesories]
Cisco NIM-2FXS/4FXOP Expansion Module
The 4000 Series has three integrated NIM slots that support online insertion and removal, reducing downtime for new or replacement modules. The NIMs have a dedicated DSP used for TDM analog voice services. The NIM-2FXS/4FXOP is a 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module.
Key Features:
- # of total ports: 6
- ISR G2 comparison: VIC2-4FXO and VIC3-2FXS/DID
- For ISR 4000 series
The tabs contain the Cisco NIM-2FXS/4FXOP datasheet with all the specifics you need.
Product Information
Product Information
Shipping & Returns
Shipping & Returns



Cisco NIM-2FXS/4FXOP Expansion Module
Cisco NIM-2FXS/4FXOP Expansion Module
- Expansion module
- FXS/DID x 2 + FXO x 4
- for ISR 4221
- 4321
- 4331
- 4351
- 4431
| Properties | Cisco NIM-2FXS/4FXOP |
| Description | 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module |
| Product Family | Cisco Voice NIM |
| Product Type | Analog Voice Interface Module |
| Supported Devices | Cisco 4300 and 4400 Series ISRs |
| Ports | 2 x FXS (or DID), 4 x FXO |
| Form Factor | Single-wide NIM Slot |
| Connectivity Technology | Wired (Analog Voice over TDM) |
| DSP | Integrated onboard DSP |
[/properties] [specifications]
| Specifications | NIM-2FXS/4FXOP |
| Number of Ports | 2 x FXS/FXS-E/DID + 4 x FXO |
| Software Compatibility | IOS XE 16.5 or later |
| DSP Features | Echo cancellation (128ms), VAD, CNG, T.38 fax relay, modem passthrough |
| Protocol Support | SCCP, SIP, MGCP, H.323 |
| Audio Codec Support | G.711, G.729a, G.726, G.723, iSAC (transcoding), iLBC (planned) |
| Caller ID Support | Yes (FXS and FXO only) |
| Loop/Ground Start | FXO supports both modes |
| Message Waiting Indicator | Yes |
| Weight | 0.52 lb (236 g) |
| Compliance | TIA-968-B, CS-03, AS/CA S002, S003, PTC220, TBR21 |
[/specifications] [accesories]
| Included Accessories | |
| ā | No additional accessories included in the box |
| Optional Accessories | |
| RACK-MOUNT-KIT | Standard rack-mount accessories for ISR 4000 Series |
| CISCO-SM-NIM-CARRIER | NIM carrier module for SM-X slot compatibility |
| CAB-CONSOLE-RJ45 | RJ45 console cable for CLI configuration |
[/accesories]
Cisco NIM-2FXS/4FXOP Expansion Module
The 4000 Series has three integrated NIM slots that support online insertion and removal, reducing downtime for new or replacement modules. The NIMs have a dedicated DSP used for TDM analog voice services. The NIM-2FXS/4FXOP is a 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module.
Key Features:
- # of total ports: 6
- ISR G2 comparison: VIC2-4FXO and VIC3-2FXS/DID
- For ISR 4000 series
The tabs contain the Cisco NIM-2FXS/4FXOP datasheet with all the specifics you need.
Original: $2,000.00
-65%$2,000.00
$700.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- Expansion module
- FXS/DID x 2 + FXO x 4
- for ISR 4221
- 4321
- 4331
- 4351
- 4431
| Properties | Cisco NIM-2FXS/4FXOP |
| Description | 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module |
| Product Family | Cisco Voice NIM |
| Product Type | Analog Voice Interface Module |
| Supported Devices | Cisco 4300 and 4400 Series ISRs |
| Ports | 2 x FXS (or DID), 4 x FXO |
| Form Factor | Single-wide NIM Slot |
| Connectivity Technology | Wired (Analog Voice over TDM) |
| DSP | Integrated onboard DSP |
[/properties] [specifications]
| Specifications | NIM-2FXS/4FXOP |
| Number of Ports | 2 x FXS/FXS-E/DID + 4 x FXO |
| Software Compatibility | IOS XE 16.5 or later |
| DSP Features | Echo cancellation (128ms), VAD, CNG, T.38 fax relay, modem passthrough |
| Protocol Support | SCCP, SIP, MGCP, H.323 |
| Audio Codec Support | G.711, G.729a, G.726, G.723, iSAC (transcoding), iLBC (planned) |
| Caller ID Support | Yes (FXS and FXO only) |
| Loop/Ground Start | FXO supports both modes |
| Message Waiting Indicator | Yes |
| Weight | 0.52 lb (236 g) |
| Compliance | TIA-968-B, CS-03, AS/CA S002, S003, PTC220, TBR21 |
[/specifications] [accesories]
| Included Accessories | |
| ā | No additional accessories included in the box |
| Optional Accessories | |
| RACK-MOUNT-KIT | Standard rack-mount accessories for ISR 4000 Series |
| CISCO-SM-NIM-CARRIER | NIM carrier module for SM-X slot compatibility |
| CAB-CONSOLE-RJ45 | RJ45 console cable for CLI configuration |
[/accesories]
Cisco NIM-2FXS/4FXOP Expansion Module
The 4000 Series has three integrated NIM slots that support online insertion and removal, reducing downtime for new or replacement modules. The NIMs have a dedicated DSP used for TDM analog voice services. The NIM-2FXS/4FXOP is a 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module.
Key Features:
- # of total ports: 6
- ISR G2 comparison: VIC2-4FXO and VIC3-2FXS/DID
- For ISR 4000 series
The tabs contain the Cisco NIM-2FXS/4FXOP datasheet with all the specifics you need.














