Cisco NM-1T3/E3 — High-Speed T3/E3 WAN Network Module

Save up to 80% over new pricing with this fully tested, refurbished Cisco NM-1T3/E3 network module. This single-port, software-configurable T3/E3 module delivers high-speed WAN connectivity with an integrated DSU — eliminating external equipment and freeing up valuable rack space.

Key Specifications

• Part Number: NM-1T3/E3
• 1-port clear channel T3/E3 network module with integrated DSU
• Full-duplex T3 connectivity at 44.736 Mbps (DS3)
• Full-duplex E3 connectivity at 34.368 Mbps
• Software-configurable T3/E3 switching via single Cisco IOS command
• DSX3 interface with dual 75-ohm BNC coaxial connectors (TX/RX)
• Supports Frame Relay, PPP, and HDLC encapsulation protocols
• Scrambling and subrate support for Digital Link, Kentrox, Larscom, Verilink, and Adtran DSUs
• Six LED indicators for line status monitoring
• No additional memory requirements

Platform Compatibility

Compatible with Cisco 2600, 2800, 2951, 3600, 3700, 3800, and 3900 Series Integrated Services Routers. The Cisco 3925/3945 series requires the SM-NM-ADPTR network module adapter card.

Why Buy from Reef Telecom?

• Industry-leading 10-year warranty on all refurbished equipment
• Free shipping on orders over $300
• Every unit professionally tested and certified before shipping
• Environmentally responsible — extend the lifecycle of enterprise equipment

Ideal for enterprise WAN deployments, service provider environments, and branch office connectivity requiring high-bandwidth T3/E3 access with minimal provisioning overhead.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.