Ethernet Interface; Ethernet Interface Connector And Specification; Ethernet Interface Electric Specification; Troubleshooting Of The Interface Module - SNBC BTP-R880NPI Service Manual

3.3 Ethernet interface

3.3.1 Ethernet interface connector and specification

The parameters of network interface socket match 10BASE-T standard of IEEE802.3.
Pin
1
2
3
4
5
6
7
8

3.3.2 Ethernet interface electric specification

Output signal: Efficient differential mode voltage more than 450mV, top voltage more than 13V.
Common mode alternating top voltage is less than 2.5V.
Input signal: differential mode voltage more than 160mV is regarded as efficient mode voltage.

3.3.3 Troubleshooting of the Interface Module

Detailed information please refer to Quick Reference to Ethernet Interface Module.
Signal name
TX+ Data sending+
TX- Data sending-
RX+ Data receiving +
NC Reserve
NC Reserve
RX- Data receiving -
NC Reserve
NC Reserve
Introduction
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BTP-R880NPII Service Manual