Leica GPS1200 Series User Manual page 120

Technical Data
Event input
External oscillator
input
For GX1200 with PPS/Event option and GRX1200 Pro/GRX1200 GG Pro
Pulse type:
Pulse length:
Voltage:
Pin definition:
Socket:
For GRX1200 Pro/GRX1200 GG Pro
External clock input:
Frequency:
Input impedance:
Input VSWR:
Signal level:
Frequency stability:
Wave shape:
Connector:
GPS1200
TTL, positive or negative going pulse
125 ns at minimum
TTL level, ~ 5 V, min. 3.3 V
Centre = signal, Case = ground
LEMO HGP.00.250.CTL
5 MHz or 10 MHz
50 Ω nominal
2:1 maximum
0 dBm minimum to +13.0 dBm maximum
±0.5 ppm maximum
Sinusoidal
MMCX female
120