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Chapter 1. Introduction
1-6 TSU User Manual 61200060L1-1
Network Interface
The Network Interface (NI) port complies with the applicable
ANSI and AT&T standards.
NI
•AMIorB8ZScoding
• Automatic or manual line build out
•D4orESFframing
• Network performance monitoring and reporting
•Testloopbacksbylocalandremote
• Extensive self test
Nx56/64 Serial Interface
• Data rates: N*56k or N*64k, where N=1 to 24 (DS0s)
• Inverted data (Inverted HDLC)
• A V.35 interface
• Standard V.35 connectors
• Test loopbacks with 511 pattern generation and check
• Extensive self test
Control Port Input
• EIA-232 input from a PC or a modem for control of the
TSU
• Chain input from another TSU
•Upto9600baudoperation
• Acts as input for PC proxy agent control or as input for a
chained connection
Chain Port Output
• EIA-232 output to chain control to other TSUs
•Upto9600baudoperation
• Automatic setup; no user input required