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C-10
Hardware Specifications
C.2.5 25 Mbps TP25 Module
The following specifications apply to network module NM-6/25UTPEC:
Description Specification
Port Capacity Six TP25 ports per module
Data Rate 25.6 Mbps
Output Buffer 2,560 cell capacity
Media Cat. 3, 4, or 5 Unshielded Twisted Pair (UTP)
Max. Line Length 100 m
Connector RJ-45
Line Encoding 4B/5B
Clock Accuracy ±100 ppm
Timing Primary and secondary 8kHz reference from
internal (default) or network
Loopbacks Receive loopback
Impedance 100 ohms
Statistics/Alarms Header Check Sequence (HCS) errors, cells
received (RxCells), cells transmitted (TxCells),
and symbol errors
Compliance ATM Forum 25.6 Mbps specification AF-PHY-
0040.000