A1.3 Control Interface; A1.3.1; Lan Interface; A1.3.2 - AVT MAGIC AE1 DAB+ Go Hardware Manual

I n t e r f a c e s
P A GE 2 4
A1.3 Control Interface

A1.3.1

LAN interface

Please see A1.1.1, Page 22.

A1.3.2

TTL/RELAY interface

Via this interface external control signals can be used.
TAB. 4
1
5
Socket: SUB-D (9 pin)
6
9
Pin
1
2
3
4
5
6
7
8
9
PIN ASSIGNMENT: TTL/RELAY INTERFACE (TTL/RELAY)
Signal
TTL 1 IN/OUT
TTL 2 IN/OUT
TTL 3 IN/OUT
TTL 4IN/OUT
GND
Relay 1a
Relay 1b
Relay 2a
Relay 2b
Electrical characteristics
Capacity of the TTL inputs/outputs:
Maximum voltage: 3.3 V
Maximum current: 10mA
Capacity of the relays:
Maximum voltage: 48V
Maximum current: 200mA