Rev G
REF TEK 130 Multi-Channel Users Guide
5/14/2021
96223-00-UG
Reftek Systems Inc.
49
GPS Connector
The GPS connector allows an external clocking device, such as the REF TEK 130-GPS\01 Global
Positioning System clock to be connected.
Recorder
Connector
Connector
Recorder
Pin
Pin Desc
Electrical Desc
Voltage Range
GPS
(Ext Clock)
PT0-7A128S
A
GPS 1Hz
Input Pulse
0-5 Volts
B
DGND
PWR/Signal GND
C
GPS RX
Output RS232
±5 Volts
D
DGND
PWR/Signal GND
E
GPS TX
Input RS232
±12 Volts
F
PWR 12V
12 Volts Output
10-15 Volts
3
G
GPS RST
Output Pulse
0-3.3 Volts
H
PWR 5V
5 Volts Output1
5 Volts
Modem connector (Part of Relay connector)
The modem connector provides connections for the 130-03 internal modem. The modem
connections are a part of the Relay connector.
Recorder Connector
Connector
Recorder
Pin
Pin Desc
Electrical Desc
Modem
PT0-7A-14-15P
P
TIP
Telephone Line
Cable
130-8279
M
RING
Telephone Line
3
Volts=Controlled by software and protected by a self resetting fuse
