1.3.3 Multi I/O
The Multi I/O HD15-pin connector can be configured to provide different signals.
Connector: 15 pin D-Sub (HD15) female
Available signals: RS232, (2) RS485, IRIG AM OUT, DCLS in, DCLS out
Possible Outputs: 1PPS, ASCII Time Code, IRIG (DCLS), IRIGAM, HAVEQUICK,
GPIO
Possible Inputs ("References"): 1PPS, ASCIITime Code, HAVEQUICK, IRIG(DCLS)
Pinout:
Figure 1-4: Multi I/O connector, viewed in mating direction on front of unit
Table 1-1:
Multi I/O connector signal pinout
Pin Signal
1 DCLS IN
2 GND
3 (First signal) RS485 A, non-inverting
4 (Second signal) RS485 A, non-inverting
5 RS232 TX OUT
6 DCLS OUT
7 GND
8 GND
9 GND
10 GND
1.3 Interfaces
SecureSync 2400 Getting Started Guide Rev. 2 9