Installation and Commissioning
GARD 8000 SYS RFL Electronics
November 28, 2017 4-12 973.334.3100
4.5.7.4 RS-232 INTERFACE CONNECTIONS
The RS-232 Module uses a DB-9 Male Connector; the pin-outs are shown below.
1
DB-9
Male
RS-232
2
3
4
5
6
7
8
9
CD (Carrier Detect)
RX Data
TX Data
DTR (Data Terminal Ready)
Signal Ground
DSR (Data Set Ready)
RTS (Request to Send)
CTS (Clear to Send)
Not Used
Figure 4-8. Pin-Outs, RS-232
Interface Signals Functional: CCITT Recommendation V.24
Interface Signals Electrical: CCITT Recommendation V.28
4.5.7.5 AUDIO TONE TPS MODULE CONNECTIONS
The Audio Tone Module provided by RFL gives four channels of FSK audio tone teleprotection.
Channel one can be used as an internal modem for remote interrogation; an external RS-232/485
interface is provided. See 6.4 for a more detailed description of this module.
TB1
J9
TX (4W)
RX (4W)
TX/RX (2W)
AUDIO
TPS+DATA
+STATUS
1 3
RX Data (RS-232 output)
TX Data B+ (RS-485 output)
2
6
7
8 9
4 5
TX Data (RS-232 input)
RX Data B- (RS-485 input)
Ground
RX Data B+ (RS-485 input)
CTS
TX Data B- (RS-485 output)
RTS
Figure 4-9. Pin-Outs, Audio Tone Module