Appendix A - Cabling Diagrams - Multitech MultiFRAD FR221 User Manual

MultiFRAD User Guide

Appendix A - Cabling Diagrams

Command Port Cable
RJ-45
PIN NO.
1
2
3
To COMMAND
PORT Connector
4
5
6
7
8
LAN Cable
10Base-T (RJ-45)
Pin Circuit Signal Name
1 TD+
2 TD-
3 RD+
4 RD-
DSU Cable
88
RS232
1 2 3 4 5 6 7 8
COMMAND
DB9F
PIN NO.
4
7 TRANSMIT DATA
8 RECEIVE DATA
3
2
6
1 SIGNAL GROUND
5
ETHERNET
1 2 3 4 5 6 7 8
10Base-T
Data Transmit Positive
Data Transmit Negative
Data Receive Positive
Data Receive Negative
DIGITAL
1 2 3 4 5 6 7 8
DSU
DSU (RJ-45)
Pins Signal Name
1, 2 Transmit pair
7, 8 Receive pair
To DTE
Device
(e.g., PC)