A2.4.3; Ttl/Relay Interface; A2.4.3 Ttl/Relay Interface - AVT MAGIC TH6 POTS Hardware & Software Manual

I n t e r f a c e s
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A2.4.3

TTL/RELAY interface

The TTL/Relay interface is implemented as a 15 plug connector socket. It pro-
vides six TTL inputs and four Relay outputs. Via this interface external con-
trol signals can be used. The pin assignment of the plug connector socket is
shown in TAB. 14.
TAB. 14
1
5
Socket: SUB-D (9 pin)
6
9
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PIN ASSIGNMENT: TTL/RELAY INTERFACE
Relay 3/A
Relay 3/B
Relay 4/A
Relay 4/B
GND
Relay 1/A
Relay 1/B
Relay 2/A
TTL1
TTL 2
TTL 3
TTL 4
TTL 5
TTL 6
Relay 2/B