Algo 8305 User Manual page 9

OUTPUT Indicator (Blue)
AUX OUT 3.5 mm Jack
8305 - Left Side
Telephone Port
Terminal Block 8 
Output (1/2)
Terminal Block Line
Output (3/4)
Terminal Block Relay In
(5/6)
UG-8305-030524
Turns on when the analog output is enabled.
Analog line level output for compatible PC speakers or headset. Non-isolated.
Figure 2: 8305 Multi-Interface IP Paging Adapter back faceplate.
Emulates an analog telephone that can go on and off hook. Has built in ring detection
with auto-answer.
The telephone port is intended only for the connection to the FXS port on a legacy
communication system and must not be connected to the PSTN.
Balanced and isolated wire pair output to connect one or many external self-amplified
speakers connected in parallel with a total minimum resistance of 8 . Intended use is
for up to 100 nominal 2 k or 1 k self-amplified speakers.
8  maximum output: +3dBm @ 8 
2 k maximum output: +1.5dB higher
Balanced and isolated wire pair. Output level defined using web interface.
Used to connect an external button or to detect a contact closure. Connection options
include a normally closed switch, normally open switch, 1202 Call Button, 1203 Call
Switch, 1204 Volume Control Switch, 1205 Audio Interface, or EOL resistor
termination.
support@algosolutions.com
8305 Multi-Interface IP Paging Adapter
Page 9