Spectracom SecureSync 1200 User Reference Manual page 461

Pin Num
Signal
ber
1 PPS_OUT
2 SERIAL_
OUT_TX
3 SERIAL_IN_
RX
4 NC
5 GND
Bottom row of 4 pins
6 NC
7 NC
8 NC
9 NC
Pin Assignments: INPUT connector J2
Figure 5-51:
INPUT connector J2
Table 5-22:
Pin-out, INPUT connector "J2"
Pin Number
Top row of 5 pins
1 PPS_IN
2 SERIAL_IN_RX
3 NC
4 NC
SecureSync User Reference Guide
Function
1PPS output TTL level on 50 Ω
RS-232 Transmit Data output (ToD messages)
data
RS-232 Receive Data input into unit; use this to transmit commands
data to the unit)
No connection
Ground
No connection
No connection
No connection
No connection
Signal Function
1PPS input
RS-232 Receive data
No Connection
No connection
Notes
Notes
Data input into unit; ToD message
APPENDIX
445