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 time

High-quality video .. Crystal-clear audio .. Enhanced security options This document provides the latest information about version 6.0.4 software for ViewStation EX, ViewStation FX, and VS4000 systems. Topics Page What’s New in This Release?.......................................................................................................1 State-of-the-Art Feature Review..................................................................................................2 Superior Video with Sup