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For alarm/relay control, user should make a RJ-45 type plug and insert this plug cable into "control" port(above figure). Do not
insert PoE(LAN) plug into the "control" port. For the detail information on the control port, please refer below pin print and
description.
1: Micro phone input: Microphone input port
2: Ground : Microphone ground and common ground port
3: Speakerphone - : Speaker phone port
4: Speaker phone + : Speaker phone port
5: Alarm ground: Ground port for Alarm input
6: Alarm input signal : Alarm input port
7: Relay out A : Relay control port A
8: Relay out B : Relay control port B
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