• Cisco A900-IMA4C3794 module with silver circuit board and green components
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Cisco

Cisco A900-IMA4C3794 | IM: 4x C37.94 optical, SDH/SONET interconnect, TDM-to-packet edge, timing-friendly

A900-IMA4C3794

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Description

Specialized interface module with four C37.94 optical ports for interworking with SDH/SONET multiplexers and TDM equipment, enabling reliable migration to packet-based transport at the network edge.

Features

- Four dedicated C37.94 ports for SDH/SONET interconnects
- Enables gradual migration from TDM to packet networks
- Engineered for timing-sensitive utility and transport applications
- Integrates into ASR 900 carrier-grade architectures

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Ports: 4x C37.94 optical interfaces
- Application: SDH/SONET and TDM equipment interconnect
- Use cases: Utility telecoms, transport backhaul, migration to packet
- Timing: Works with platform timing features (e.g., SyncE/1588 pass-through as supported)
- OIR: Online Insertion and Removal (platform dependent)
- Compatibility: ASR 900 Series interface module slots
- Cabling: Dual-fiber multimode/single-mode per optic type (check platform guide)

FAQs

Q: What is C37.94 used for?
A: C37.94 is an optical interface commonly used to connect teleprotection relays and SDH/SONET multiplexers for utility and transport networks.

Q: Does this module support packet-based transport of TDM?
A: Yes, it is designed for interworking with TDM/SDH equipment, with feature support dependent on platform software.

Q: Are specific wavelengths or connectors required?
A: Use optics and cabling specified in the platform’s hardware installation guide for C37.94 ports; ensure connector type and fiber reach match your equipment.

Q: Is OIR supported?
A: OIR is supported where enabled by the hosting chassis and software; follow documented procedures.

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