Quintum Technologies Tenor Call Relay SP - Manual (Page 30)

P/N 480-0048-00-10 2-12
Chapter 2: Hardware Components
DB-9 Serial RS-232 Cable
The Serial RS-232 9-pin cable with a DB-9 male connector (with RS-232 interface) is used to connect the
Call Relay SP to your PC’s asynchronous serial port. The pin order for DB-9 male and female connectors are
shown in Figure 2-10 and Figure 2-11.
Figure 2-10 DB-9 Male Connector Pin Order
Figure 2-11 DB-9 Female Connector Pin Order
Figure 2-12 DB-9 Connector Pinouts
Table 2-7 DB-9 Connector Pinouts
Pin # Function Description Pin #
1 RSVD Reserved 1
2 RXD Receive Data 2
3 TXD Transmit Data 3
4 RSVD Reserved 4
5 GND Signal Ground 5
6 RSVD Reserved 6
7 RSVD Reserved 7
8 RSVD Reserved 8
9 RSVD Reserved 9
1 2 3 4 5
6 7 8 9
5 4 3 2 1
9 8 7 6
Pin # Con nects to Pin #
1
2
3
4
5
6
7
8
9 1
2
3
4
5
6
7
8
9