T801-4 Installation and Operation Manual
Description
19
© Tait Electronics Limited September 2007
Pin
Signal Name
Signal
Type
Logic
Notes
1
OSC ALRM OSC1
output
open collector;
active = 0V;
output low level <0.4V for
<6mA sink current
oscillator alarm for Satsync 7 Module 1;
maximum input voltage = 30V;
maximum sink current = 45mA
2
OSC ALRM OSC2
output
open collector;
active = 0V;
output low level <0.4V for
<6mA sink current
oscillator alarm for Satsync 7 Module 2;
maximum input voltage = 30V;
maximum sink current = 45mA
3
GPS ALRM OSC1
output
open collector;
active = 0V;
output low level <0.4V for
<6mA sink current
GPS alarm for Satsync 7 Module 1;
maximum input voltage = 30V;
maximum sink current = 45mA
4
GPS ALRM OSC2
output
open collector;
active = 0V;
output low level <0.4V for
<6mA sink current
GPS alarm for Satsync 7 Module 2;
maximum input voltage = 30V;
maximum sink current = 45mA
5
GPS RX IND
output
open collector;
high = internal GPS receiver
or external port B GPS
receiver selected;
low = external port A GPS
receiver selected;
output low level <0.4V for
<6mA sink current
maximum input voltage = 30V;
maximum sink current = 45mA
6
GND
ground
7
CTCSS PHS REV1
input
3.3V TTL;
active low (<0.8V)
maximum input voltage = 9V
8
CTCSS PHS REV2
9
1PPS VALID OUT
output
open collector;
active = 0V = 1PPS valid;
output low level <0.4V for
<6mA sink current
maximum input voltage = 30V;
maximum sink current = 45mA
h
j
b
g
i
c
d
e
f
external view
