jotron TR-810 - DC Input Connection; Radio Connector; External Connector (I;O); DC Output Connection

7.3 Rear connection
7.3.1 Dc input
Connect to the external DC supply (+12V to + 28V ±10%)
(Same pin. Configuration as on the TR-810 DC INPUT)
7.3.2 Radio connector
Connect to TR-810 with 1:1 cable (RJ45)
7.3.3 Ext connector
Contains I/O signals from both the TR-810 and the Battery Backup Unit (RJ45)
EXT Connector
Name
PIN
Purpose
EX-SPEAKER
1
To external speaker.
EX-SPEAKER
2
To external speaker.
MONITOR
3
To tape recorder etc. 600Ω unbalanced
LOW POWER
4
Grounding this pin will force the transmitter to
1W power (Gas alarm)
ALARM
5
Triggered by loss of DC input. Dry relay makes contact to pin. 7
MUTE
6
Bypass from Radio connector pin. 6.
ALARM
7
Triggered by loss of DC input. Dry relay makes contact to pin. 5
GND
8
Common ground
7.3.4 Dc output
Connect to DC INPUT on the TR-810 (approx 15V)
(Same pin. Configuration as on the TR-810 DC INPUT)
DC INPUT
RADIO
CONNECTO
EXT
CONNECTO
DC OUTPUT
84417_O&I_TR-810_E  Battery Backup Unit Page 7-5