Cisco
Cisco NM-1A-T3/E3 1-Port T3/E3 ATM Network Module for ISR 2800 3800 3900
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco NM-1A-T3/E3 — Enterprise-Grade ATM Connectivity at a Fraction of the Cost
Save up to 80% over new pricing on this fully refurbished and tested Cisco NM-1A-T3/E3 1-Port T3/E3 ATM Network Module. Ideal for enterprise and service provider deployments requiring high-speed ATM WAN connectivity on Cisco Integrated Services Routers. Backed by Reef Telecom's industry-leading 10-year warranty and free shipping on orders over $300.
Key Specifications
- Part Number: NM-1A-T3/E3
- Module Type: 1-Port T3/E3 ATM Network Module
- Data Rates: 44 Mbps (DS3/T3) or 34 Mbps (E3), full duplex
- Connector: Dual 75-ohm BNC (RX/TX)
- ATM Standards: AAL5 compliant — supports UBR, UBR+, VBR-rt, VBR-nrt, CBR, and ABR traffic classes
- WAN Protocols: ATM, SONET
- Power Consumption: 15W typical
- Dimensions: 1.6" H x 7.1" W x 7.2" D
- Weight: 2 lbs
Router Compatibility
- Cisco ISR 2800 Series (2811, 2821, 2851)
- Cisco ISR 3800 Series
- Cisco ISR 3900 Series (via SM-NM-ADPTR)
- Cisco 2600 / 3600 / 3700 Series
Why Buy from Reef Telecom?
- 10-Year Warranty — the longest in the refurbished telecom industry
- Free Shipping on orders over $300
- Every unit fully tested and certified by experienced telecom technicians
- Same-day shipping available on in-stock items
Deploy cost-effective ATM WAN connectivity for branch office consolidation of voice, video, and data services. The Cisco NM-1A-T3/E3 is ideal for enterprise WAN backhaul, legacy carrier T3/E3 circuits, and service provider managed CPE environments.
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
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.

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