Cisco NM-1T3/E3 network module

The NM-1T3/E3 network module is a single-port universal T3/E3 network module with integrated CSU/DSU, clear channel, and subrate support.

KEY BENEFITS

The combination of T3 and E3 options in a single network module provides the following key customer benefits:

• Physical space savings-Eliminates the need for external DSU device, saving valuable rack space
• Simplified management-Eliminates the need for two separate monitoring tools
• Software-configurable T3/E3-Provides the flexibility to deploy a single module worldwide

KEY FEATURES

• One-port T3 with DSU or E3 with DSU network module
• T3/E3-specific features for monitoring, bit error rate tester (BERT), Management Information Bases (MIBs), alarms, and more
• Ability to independently or simultaneously enable scrambling and subrate in each DSU mode; support for the following DSU vendors' algorithms: Digital Link, Kentrox, Larscom, Verilink, Adtran.
• Support for the serial encapsulation protocols: Frame Relay, Point-to-Point Protocol (PPP), High-Level Data Link Control (HDLC)
• 16-bit cyclic redundancy check (CRC)

This module is in Excellent/Mint condition! Never been in production!

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