
7 The Front Panel Layout
7.1 Front Panel Connectors GNS165
Name
Type
Signal
Cable
————————————————————————————————————————
COM 0, COM 1
9pin D-SUB
RS-232
shielded data line
COM 2
16pin Terminal
RS-485
data line
Optoc. Out
16pin Terminal
DCF Out
BNC female
77.5 kHz
shielded coaxial line
Time Code
AM Out
BNC female
3 V
pp
into 50
Ω
shielded coaxial line
DCLS Out
16pin Terminal
RS-422, TTL
data line
Antenna
SMA
L1 | 5 V
shielded coaxial line
Power supply
over 16pin Terminal (DHS standard model)
over 5pin Screwterminal (AHS, DAHS)
7.2 Status LEDs
LED Indicators
TC:
green: if time code RS422 is available
PP 1 - PP 3:
green:
if a programmable pulse
is available
Init:
blue: while the receiver passes through
the initialization phase
green: the oscillator has warmed up
Fail:
red: time has not synchronized
Ant:
red: antenna faulty or not connected
Nav:
green: positioning successfully
32
Date: 19th January 2021
GNS165DHS / GNS165DAHS