Signal Description Gps167 - Meinberg LANTIME/GPS Operating Instructions Manual

Signal Description GPS167

Name
GND
VCC in (+5 V)
VCC in (+12 V)
P_SEC out
P_MIN out
DCF_MARK out
100 kHz out
1 MHz out
10 MHz out
F_SYNTH
F_SYNTH_OD
F_SYNTH_SIN
TIME_SYN
CAPx
COMx TxD out
COMx RxD in
/RESET in/out
SDA, SCL, SCL_EN
(reserved)
Pin Function
32a+c Ground
1a+c +5 V supply
2a+c +12 V supply
6c Pulse when second changes, TTL level,
active high, length 200 msec
8c Pulse when minute changes, TTL level,
active high, length 200 msec
17c DCF77 compatible second marks, TTL level,
active high, length 100/200 msec
10a 100 kHz frequency output, TTL-level
11a 1 MHz frequency output, TTL- level
12a 10 MHz frequency output, TTL- level
21c Synthesizer output, TTL- level
22c Synthesizer output, Open Drain,
max sink current to GND: 150 mA
23c Synthesizer output, sine-wave 1.5 V eff.
19c TTL output, HIGH level if synchronization has been
achieved, LOW level after reset or in case of serious
errors (e.g. antenna faulty)
27c, 28c Time capture inputs (TTL), capture on falling slope
COMx RS-232 transmit data output
COMx RS-232 receive data input
9c RESET signal, Open Drain pulled up to +5 V
Internal serial control bus, for extension boards
reserved, do not connect
109