Modem db25 connector, Db25 male rj45 – Perle Systems 5500161-40 User Manual
Page 374
EIA-232 Cabling Diagrams
374
IOLAN SDS/SCS/STS/MDC User’s Guide, Version 4.0
Modem DB25 Connector
The following diagrams show how a standard straight through cable should be configured when
connecting to a DB25 modem.
DB25 Male
2 (TxD)
2 (RxD)
3 (RxD)
3 (TxD)
4 (RTS)
4 (CTS)
5 (CTS)
5 (RTS)
6 (DSR)
6 (DSR)
7 (GND)
7 (GND)
8 (DCD)
8 (DCD)
20 (DTR)
20 (DTR)
RJ45
This cabling table does NOT apply to SCS48C/SCS32C/SCS16C/SCS8C (Sun/Cisco),
SDS32C/SDS16C/SDS8C (Electrical Utility) or medical unit models.
10-pin
8-pin
2
(DCD)
1
8 (DCD)
3
(RTS)
2
4 (CTS)
4
(DSR)
3
6 (DSR)
5
(TxD)
4
2 (RxD)
6
(RxD)
5
3 (TxD)
7
(GND)
6
7 (GND)
8
(CTS)
7
5 (RTS)
9
(DTR)
8
20 (DTR)
IOLAN DS1
DB25 (DTE)
Modem DB25
(DCE)
IOLAN RJ45
Modem DB25
(DCE)