ASL INTERCOM V400 - Page 20

V400 – Installation Guide
U-0398-0607.doc – Issue: 03 complete, approved
Page 20 of 24
LSDDC CONNECTIONS
INPUT
...
-+
SCREEN
AUDIO INPUT: 3-WAY PLUGGABLE WAGO CAGE CLAMP (MALE)
Signal Description
Screen Cable screen
“+” Balanced audio input at 0 dBu
“-” Balanced audio input at 0 dBu
LOW LEVEL STANDBY AND OVERRIDE LINK: DUAL RJ45
Pin No Signal
CAT5 Cable
(EIA 568-B)
Description
1 Standby I/P + Orange/White
Balanced audio output to standby
amplifier at 0 dBu
2 Standby I/P - Orange
Balanced audio output to standby
amplifier at 0 dBu
3 Not used Green/White Not used
4
Override Audio
Control +
Blue
Relay Drive DC, 5 V nominal
Control main audio input overriding
5
Override Audio
Control -
Blue/White
Relay Drive DC, 5 V nominal
Control main audio input overriding
6
Standby
lockout
Green
Bi-directional signal control line;
prevents multiple amplifiers
accessing one standby amplifier
7
Override Audio
I/P +
Brown/White
Balanced audio input at 0 dBu
Secondary audio input, which enables
emergency sources to be switched
directly to the input of the power
amplifiers by activation of a relay
8
Override Audio
I/P -
Brown
Balanced audio input at 0 dBu
Secondary audio input, which enables
emergency sources to be switched
directly to the input of the power
amplifiers by activation of a relay

Two sets of connections are provided for ‘daisy-chain’ wiring from
amplifier to amplifier.
-+-+
LINE OUT
BA
100 V CONNECTIONS: 4-WAY PLUGGABLE WAGO CAGE CLAMP (FEMALE)
Signal Description
A+/A- 100 V line audio output to speaker circuit A
B+/B- 100 V line audio output to speaker circuit B

The B connections become the Loop Return Input when the unit is
configured for this mode.
+-+-
STANDBY IN
100 V CONNECTIONS: 4-WAY PLUGGABLE WAGO CAGE CLAMP (MALE)
Signal Description
STANDBY IN+/-
100 V line from standby amplifier
Two sets of connections are provided for ‘daisy-chain’
wiring from amplifier to amplifier
!
!
Ensure +/- phase is preserved.