Introduction; T1 Wide Area Network (Wan) Access Router - Polycom V2IU 4350 User Manual

Introduction

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The V IU 4350 Converged Network Appliance

T1 Wide Area Network (WAN) Access Router

Note
The V 2 IU 4350 is an intelligent, all-in-one networking solution for enterprises
and service providers. It reduces costs by simplifying the deployment,
management and security of converged voice, video and data networks. The
4350 provides the following important functions for converged networks:
The 4350 provides an integrated T1 CSU/DSU for small and medium office
connectivity.
The 4350E is designed for use in Australia, New Zealand, Korea and Japan. The
T1 port on the 4350E is functionally disabled through software. The T1 port should
not be connected to the telco network.
• Fully integrated CSU/DSU
• T1 support
• Fractional T1 support
• Layer 2 protocol support for: HDLC, Cisco HDLC (cHDLC), PPP, MLPPP,
MLPPPoFR, Frame Relay
• On-board RJ-48 connector for easy direct connection
• T1/E1 framer and transceiver
— B8ZS/HDB3 zero suppression
— Response to Inband Loop codes (ANSI)
— Manual payload loop through the GUI
• External transmit clock input and receive clock output headers
• Timing: internal or external (loop times from the network)
• Provides long haul CSU or short haul DSU signaling
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