Compatible Systems 2270R - Manual (Page 41)

Appendix B - Connector and Cable Pin Outs 35
Appendix B - Connector and
Cable Pin Outs
Pin Outs for T1 Female Connector (DTE)
Pin Outs for DB-25 Male to DB-25 Female RS-232 Data &
Console Cable
The cable supplied with the MicroRouter 2270R is twenty-five conduc-
tors, connected straight through. Connections on both the auxiliary
interface and the data interface follow the standard RS-232 pin outs.
Note that the data interface may be set for synchronous operation and in
this mode the data interface will use the clock lines provided by
RS-232.
RJ-45 (DTE) Signal
1 RX Data - Ring
ß
2 RX Data - Tip
ß
3 Unused
4 TX Data - Ring
à
5 TX Data - Tip
à
6,7,8 Unused