Model 5600MSC Master Clock/SPG Manual
Page 2-4
Revision 1.6 INSTALLATION
GPS: A 9 pin female 'D' connector for connection to the optional GPS receiver (G option).
Table 2-4 shows the pinout of the serial port. See section 2.4 for information about
mounting and connecting the GPS receiver.
Pin # Name Description
1 GND Chassis ground
2 Tx- Transmit A (Tx-) Output
3 Rx+ Receive B (Rx+) Input
4 PPS+ 1 PPS Interrupt in +
5 +VDC + 17 Volts DC out to supply GPS receiver
6 PPS- 1 PPS Interrupt in -
7 Tx+ Transmit B (Tx+) Output
8 Rx- Receive A (Rx-) Input
9 GND Chassis ground
Table 2-4: GPS Serial Port Pin Definitions
MODEM: This RJ11 jack is used to connect the optional internal modem (M option) to the
telephone line, 3.7.3 in the General menu descriptions for information on configuring the
modem functions of the 5600MSC.
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IMPORTANT INSTALLATION NOTICE: For a reliable telephone connection to the
modem in the 5600MSC, a direct telephone line must be used. This line must not
pass through a PBX or similar key device.
2.1.7. Parallel Remote Control and Auxiliary Connections
AUX I/O: A 9 pin female ‘D’ connector GPI inputs and outputs and two LTC outputs. This
connector is typically used to interconnect the 5600MSC to the autochangover unit
(Model 5600ACO). There are also two open collector outputs that can be assigned to a
variety of functions. (See section 3.7.4) The pinout of the AUX I/O connector is shown
in Table 2-5.
Pin # Name Description
1 LTC+ Primary LTC + output.*
2 GPO1 GPO 1 output.
3 AUX LTC+ LTC 2 out + (LTC IN + with +L option)
4 GPI1 GPI 1 input
5 GND Signal Ground.
6 GPI2 GPI 2 input.
7 GPO2 GPO 2 output.
8 AUX LTC- LTC 2 out (LTC IN – with +L option)
9 LTC- Primary LTC – output*
*12 VDC power for downstream Evertz clocks is not available on these pins
Table 2-5: AUX I/O Pin Definitions
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