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Home Networking Router, Security, NPB Routers Cisco NM-1CE1U 1-Port Channelized E1/ISDN-PRI Network Module - Unbalanced E1 WAN Interface for Cisco Routers

Cisco NM-1CE1U 1-Port Channelized E1/ISDN-PRI Network Module - Unbalanced E1 WAN Interface for Cisco Routers
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Cisco NM-1CE1U 1-Port Channelized E1/ISDN-PRI Network Module - Unbalanced E1 WAN Interface for Cisco Routers

Brand:
Cisco

Specifications

   Product Overview:
  • The Cisco NM-1CE1U 1-Port Channelized E1/ISDN-PRI Unbalanced Network Module is a high-performance expansion module designed to deliver robust digital communication over E1 and ISDN PRI lines. Tailored for enterprise-grade Cisco routers, this module supports unbalanced E1 interfaces (using BNC connectors), making it ideal for legacy telecom systems and specific regional infrastructure standards.
  • With support for up to 31 E1 channels and a range of ISDN signaling protocols (Q.921, Q.931), the NM-1CE1U provides flexibility for voice, video, and data integration in a single interface. It enables organizations to consolidate their telecom infrastructure and efficiently manage bandwidth and communication services from a central Cisco routing platform.
   Feature:
  • Single-Port Channelized E1 Interface – Supports up to 31 individual time slots for flexible data or voice configurations.
  • ISDN-PRI Capability – Delivers reliable and scalable Primary Rate Interface for voice/data convergence.
  • Integrated Loopback Testing – Local and remote diagnostics reduce downtime and simplify troubleshooting.
  • Protocol Support – Compatible with PPP, HDLC, and Frame Relay for versatile WAN connectivity.
  • Unbalanced 75 Ohm Interface (BNC) – Ideal for European and telco environments using coaxial cabling.
  • Modular Flexibility – Designed for Cisco routers supporting network modules, enabling scalable infrastructure upgrades.
  • Enterprise & Service Provider Ready – Suitable for dense environments, including contact centers, PBXs, and service aggregation.
   Specifications:
  • Model: Cisco NM-1CE1U
  • Port Type: 1-Port Channelized E1 / ISDN-PRI
  • Connector Type: BNC (Unbalanced 75 Ohm)
  • Supported Standards: ITU G.703, G.704, ISDN PRI
  • Number of Channels: Up to 31 time slots (E1 - 2.048 Mbps)
  • Encapsulation Protocols: PPP, HDLC, Frame Relay
  • Loopback Support: Local and Remote loopback for diagnostics
  • Compatibility: Cisco 2600, 3600, 3700 series routers (with NM slots)
  • Hot Swappable: No (requires router reboot during installation)
  • Interface Clocking: Internal and network-recovered clock options
  • Use Case: Enterprise WAN, ISDN PRI services, voice/data trunking
  • Form Factor: Cisco Network Module (NM) standard size
  • Power Source: Supplied through host router
  • Operating Temperature: 0°C to 40°C (32°F to 104°F)
  • Compliance: CE Mark, FCC Part 15, RoHS compliant
   Why Choose This Product?
  • The Cisco NM-1CE1U offers enterprise-grade performance, flexibility, and cost-efficiency for organizations requiring robust WAN or voice trunking over E1 lines. Unlike generic E1 interfaces, it provides channelized control, allowing you to allocate specific time slots for different services — crucial for voice, video, and high-priority data traffic.
  • It’s a future-proof investment for businesses using Cisco infrastructure, especially where reliability, modular expansion, and telecom-grade interoperability matter most. Whether deploying in corporate networks, call centers, or service provider environments, the NM-1CE1U ensures consistent uptime, manageability, and performance.

Features

Brand:
Cisco
Warranty:
1 Year