Meinberg GEN170TGP - Manual (Page 24)

24
Signal Description GEN170
Name Pin Function
GND 32a+c Ground
VCC in (+5V) 1a+c +5V supply
Vosc in (+5V) 2a+c +5V supply
10 MHz out 12a 10 MHz frequency output (TTL level)
2.25MHz out 27c 2,25MHz frequency output (TTL level)
77.5 kHz out 11a 77.5 kHz frequency output (TTL level)
DCF out 8c AM time marks (TTL level, active high)
PZF_CLK out 10a PRN clock (TTL level)
PZF_WIN out 7c PRN window (TTL level, active high)
PZF out 6c PRN sequence (TTL level)
P_SEC out 14c pulse once a second, duration 200ms (TTL level)
PPM out 8c pulse once a minute, duration 200ms (TTL level)
IRIG_AC out a6 Modulated IRIG sine wave output
IRIG_DC out a7 Unmodulated IRIG output
10MHz in 4c 10MHz reference input 1V
eff
into 50 Ohm
1 pps in 28c sync. second (TTL, rising edge)
TTL_INxx in control inputs for AM marks 0 through 15 (TTL)
long AM mark if input is high
COMx TxD out COMx RS-232 output
COMx RxD in COMx RS-232 input
/RESET in/out 9c RESET signal, Open Drain pulled up to +5V
(reserved) reserved, do not connect