SENTRY1 TECHNICAL MANUAL VER1.6
ART.136 AMPLIFIER (Software version 136-12 or later)
Connection Function
1 Receive speech from apartment
2 Transmit speech to apartment
+ (3) +12Vdc input (Amplifier connection 3 on the Sentry 1 PCB)
- (4) 0V (Ground) (Amplifier connection 4 on the Sentry 1 PCB)
5 Link to terminal – when used on Sentry 1 system
T Electronic call tone output to common side of call buttons (NOT USED ON SENTRY 1 SYSTEM)
- Link to terminal 5 when used on Sentry 1 system
PTE push to exit button to trigger door release relay (NOT USED ON SENTRY 1 SYSTEM)
C Common connection of dry contact relay (NOT USED ON SENTRY 1 SYSTEM)
NC Normally closed connection of dry contact relay (NOT USED ON SENTRY 1 SYSTEM)
NO Normally open connection of dry contact relay (NOT USED ON SENTRY 1 SYSTEM)
D+ External link to door open (+12V side) LED.
D- External link to door open (0V side) LED.
BSY Busy signal (NOT USED ON SENTRY 1 SYSTEM)
SL Switched 0V output to switch on video PSU. (NOT USED ON SENTRY 1 SYSTEM)
F1 Switched 0V output to switch on camera. (NOT USED ON SENTRY 1 SYSTEM)
IMPORTANT NOTE (Art.136 Amplifier only): A 680R resistor needs to be fitted across terminals 1 & 3 of the
amplifier and a wire link across terminals 5 & - of the amplifier.
Speech volume adjustments are carried out at the door panel using a small trimmer driver.
Art.4837 Amplifier connection
Connection Function
C Buttons common connection
C1 Calltone out (Not used on Sentry)
P1 Push button 1 output
P2 Push button 2 output
S1 Common relay (Not used on Sentry)
S Normally Open Relay (Not used)
RL 0V relay trigger (Not used on Sentry)
- 0V Ground
1 Receive speech from apartment
+ Switched +12Vdc input
2 Transmit speech to apartment
P3 Push button 3 output
P4 Push button 4 output
Art.4832 Amplifier connection
Connection Function
I Camera power input (14-20Vdc)
F1 Camera 0V
M/V2 Video Screen or Video sync+
V/V1 Video centre core or Video sync-
C Buttons common connection
C1 Calltone out (Not used on Sentry)
P1 Push button 1 output
S1 Common relay (Not used on Sentry
S Normally Open Relay (Not used)
RL 0V relay trigger (Not used on Sentry)
- 0V Ground
1 Receive speech from apartment
+ Switched +12Vdc input
2 Transmit speech to apartment
P3 Push button 3 output
Adjustment for
speech volume level
at the door station
Adjustment for
speech volume at the
apartment
1 2 3 4
ON
H
L
Position H High volume reassurance tones
Position L Low Volume reassurance tones
No Jumper No reassurance tones
When using the Art.136
amplifier with the Sentry 1
system, all dip-switches
must be off
Dip-switches and
jumper setting
on Art.136
amplifier
This jumper will not adjust the reassurance tone on
the Sentry 1 system
680R
(5 pages)
(72 pages)
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