Safran SecureSync 2400 User Manual page 413

Table 5-6: Model 1204-03 1PPS/Freq Input: Connector pin assignment
Pin No.
1 GND
2 FREQIN_RS485+
3 FREQIN_RS485-
4 GND
5 PPSIN_RS485+
6 PPSIN_RS485-
7 GND
8 PPSOUT_RS485+ RS-485 1PPS Output +
9 PPSOUT_RS485-
10 GND
Models 1204-01,-03: Input/Output Specifications
FREQ Input Specifications
Signal Type And
Detected
Frequency
1PPS Input Specifications
Input Impedance: 50 Ω
Minimum Pulse Width
Input Signal
system performance
Programmable Phase
1PPS Output Specifications
Signal Type And
Output Load
SecureSync 2400 User Manual
Signal Function
Ground
RS-485 Frequency Input +
RS-485 Frequency Input –
Ground
RS-485 1PPS Input +
RS-485 1PPS Input –
Ground
RS-485 1PPS Output –
Ground
Connector: Sine wave (BNC)
Level: +13 dBm to -6dBm
Setting: 1KHz...10 MHz in 1Hz steps
detected: 100 ns
Jitter: <±500 ns t o achieve oscillator lock, <±50 ns to achieve
Shift: ±5ns to 500 ms with 5ns resolution
Connector: TTL level (BNC)
Impedance: 50 Ω
APPENDIX
397