Cisco NIM-1MFT-T1/E1 Network Interface Module – Open Box

The Cisco NIM-1MFT-T1/E1 is a flexible digital voice and WAN interface card designed to support both T1 and E1 connections, enabling efficient voice and data integration in enterprise and service provider networks. Supporting structured and unstructured data transmission, it offers a reliable solution for channelized voice, PRI, and data services.

With compatibility across Cisco’s ISR platforms, this module provides enterprises with scalable connectivity and carrier-grade standards compliance. Its robust design ensures reliable performance in branch offices, enterprise backbones, and managed service environments requiring stable T1/E1 integration.

✔ Key Features & Benefits

✔ Dual T1/E1 Support – Offers 24 DS0 channels per T1 and 31 DS0 channels per E1, providing flexibility in mixed environments.
✔ PRI and CAS Capability – Supports both channelized signaling and PRI, making it suitable for voice and data services.
✔ Standards Compliant – Meets ITU-T, ANSI, and national standards for global interoperability.
✔ Flexible Clocking Options – Supports internal and loop-based clock recovery for network synchronization.
✔ Open Box Assurance – Device is unused, fully tested, and 100% functional.

✔ Ideal Uses

✔ Enterprise branch offices requiring T1/E1 voice and data connectivity.
✔ Service providers offering channelized PRI or CAS services.
✔ Voice gateway integration for PBXs or VoIP deployments.
✔ WAN environments requiring structured or unstructured E1/T1 connections.

✔ Specifications

✔ Condition: Open Box – New device with no signs of previous use. Device has been extensively tested and is 100% functional.
✔ Brand: Cisco
✔ Model: NIM-1MFT-T1/E1
✔ Type: Network Interface Module (NIM)
✔ Capacity:
• Serial data: 2 per port
• CAS Signaling: 24 channels per T1, 31 channels per E1
• PRI: 1 per port
✔ T1 Interface:
• Bit Rate: 1.544 Mbps ±50 bps
• Line Code: AMI, B8ZS
• Framing: D4 (SF), ESF
✔ E1 Interface:
• Bit Rate: 2.048 Mbps ±100 bps
• Encoding: HDB3
• Data Rate: 1.984 Mbps framed mode
✔ Clocking: Internal or loop (network recovered)
✔ Compliance: TIA-968-A, ANSI T1.403, ITU-T G.703, G.704, G.823, I.431, TBR4/12/13
✔ Dimensions: 1.25 × 3.50 × 7.24 in (3.18 × 8.89 × 18.39 cm)
✔ Weight: 0.40 lb (181 g)
✔ Environmental: Operating Temp 0 to 50°C; Storage –20 to 65°C; Humidity 10–85% operating
✔ Warranty: 3-Month Carry-in Warranty
✔ What’s in the Box: 1 × Cisco NIM-1MFT-T1/E1 Module