Technical data

Installation & Operation Manual GM-TTT
Page 14
GPI
Option G: Relay points
Switcher COM1-NC1 (Normally Closed)
and COM1-NO1 (Normally Open).
• Max. switchable power: 5 W.
• Max. switchable voltage: 175 V.
• Max. switching current: 0.25 A
• Max. transportable current: 1 A
Pin 1: NC1
Pin 2: NO1
Pin 6: COM1
Option P: Pulse outputs
TTL level pulses
Pin 3: Seconds pulse
Pin 4: Minutes pulse
Pin 5: GND
Option A: Power supply and data telegram to drive
analogue clocks.
Pin 1: V+ Out
Pin 2: V- Out
Pin 7: Signal Out
Pin 8: Signal GND
REF. DATA IN
Interface for the external reference time input, it is
missing in case of a built-in reference.
P_SEC: 1pps signal (seconds pulse), internal trigger
at rising or falling edge according to
selection (menu REFER - MODE 1).
Input low: max. 0.8 V.
Input high: 2-15 V.
RxD: Serial data protocol with fixed format
(Meinberg): 2400/7/E/2.
Input low: max. 0.8 V.
Input high: 2-15 V.
Pin 1: P_SEC
Pin 2: RxD
Pin 5: GND
With option GPS IN:
DSUB9M “DC GPS IN“
Pin 6: V+ = 11 - 30 VDC, 2W
Pin 7: V- (GND)
OPTION 1
With option DCF IN:
BNC antenna input.
BNC, 50 Ω
With option GPS IN:
SMA antenna input.
SMA
OPTION 2
With option V (VITC generator): video + VITC
output, according to SMPTE 12M-1995.
Video output: gain = 1 ±1%.
BNC (IEC 169-8), 75 Ω