Audio Input 1-7; System And Local Bus Out; Transfer Unit Ctrl - JRC Alphatron Marine AlphaAnnounce Installation And Operation Manual

1.6.8.3 Audio Input 1-7

Removable 3-pin terminal block connector. Maximum conductor area that can be used is 0.75 mm².
Pin Order
⊥
1
2 +
3 -

1.6.8.4 System and Local Bus Out

RJ-11 connector
Pin Order
1 Ground
2 Audio +
3 Audio -
4 Relay contact NC
5 Relay contact NO
6 Relay contact Common

1.6.8.5 Transfer Unit Ctrl

RJ45 - connector
1 Line 1 Open collector control
2 Line 2 Open collector control
- - - - - - - - - - - - - - - - - - - - - - -
8 Line 8 Open collector control
20 | AlphaAnnounce Digital Amplifier
Ground
Audio +
Audio -