APX 1000™ Getting Started Guide
C-1
C
Cabling and Connector Specifications
APX 1000 units support a variety of interfaces. Each interface has its own specifications and
cabling requirements.
Serial port specifications
The APX 1000 serial (CONTROL) port uses a standard DB-9 female connector that conforms
to the EIA RS-232 standard for serial interfaces. The APX 1000 uses the RS-232 pinouts listed
in Table C-1.
Table C-1. Serial port and cable pinouts
DB-9 pin number
RS-232 signal name
Function
I/O
1
DCD
Data Carrier Detect
O
2
RD
Serial Receive Data
O
3
SD
Serial Transmit Data
I
4
DTR
Data Terminal
Ready
I
5
GND
Signal Ground
6
DSR
Data Set Ready
O
7
RTS
Request to Send
I
8
CTS
Clear to Send
O
*9
*RI
*Ring Indicator
*O
*Pin 9 is not active (Ring Indication signal not supplied).