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Introduction
The V2IU 4350 Converged Network Appliance
The V2IU 4350 is an intelligent, 
4350 provides the following important functions for converged networks:
T1 Wide Area Network (WAN) Access Router
The 4350 provides an integrated T1 CSU/DSU for small and medium office connectivity.
Note  | 
  | The 4350E is designed for use in Australia, New Zealand, Korea and Japan. The  | 
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  | T1 port on the 4350E is functionally disabled through software. The T1 port should  | 
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  | not be connected to the telco network.  | 
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  | •  | Fully integrated CSU/DSU  | 
  | •  | T1 support  | 
  | •  | Fractional T1 support  | 
• Layer 2 protocol support for: HDLC, Cisco HDLC (cHDLC), PPP, MLPPP, MLPPPoFR, Frame Relay
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• 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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