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Rev G
REF TEK 130 Multi-Channel Users Guide
5/14/2021
96223-00-UG
Reftek Systems Inc.
7
MC-18 Interconnect
These connections allow interconnect among multiple MC-18s.
GPS 485
Terminals
RT590 Connector Cable J6
MC Pin
Pin Desc
Electrical Desc
Voltage
Range
TRIGGER
TB6
1
EX 485 +
Input/Output
RS-485
2
EX 485 -
Input/Output
RS-485
3
GND
GPS 485 OUT
TB7
1
TX 485 +
Output GPS_TX
RS-485
2
TX 485 -
Output GPS_TX
RS-485
3
1 Hz 485 +
Output 1Hz
RS-485
4
1 Hz 485 -
Output 1Hz
RS-485
5
GND
6
IRIGE
Output
TTL
7
GND
8
EARTH
9
No Connect