Db25 adapter pinouts – Nortel Networks HotWire 8600 User Manual
Page 54
97-15449
Pin 1
Pin 8
97-15450
DB25
8-Pin
Interface
Pinouts
B-3
8600-A2-GN20-20
October 1997
8-Pin Modular Serial (Asynchronous Terminal)
Connector Pinouts
The 8-pin serial connector for asynchronous terminal interface (DCE type) has
the following pin assignments:
NOTE:
The serial port is active only on the base unit.
Pin Number
Function
1
Reserved
2
Reserved
3
Reserved
4
Signal Ground
5
Receive Data
6
Transmit Data
7
Reserved
8
Reserved
DB25 Adapter Pinouts
The DB25 (RS232 male) adapter is used to convert the 8-pin serial interface to a
standard RS-232 DB25 interface, which can then be connected to a terminal,
computer, or modem. The following lists the pin assignments for the DB25
adapter:
8-Pin
Modular
Serial
Interface
Pin Number
Use
DB25
Interface
Pin Number
1
Unused
–
2
Unused
–
3
Unused
–
4
Signal Ground
7
5
Receive Data
3
6
Transmit Data
2
7
unused
–
8
unused
–