Figure 8 Connect Input/Output Device With Phoenix - Grandstream Networks GVR3552 User Manual

1. Connect the alarm input device to the alarm input port;
2. Connect the alarm output device to the alarm output port;
3. Enter GVR3550 menu, configure alarm input/output parameters on Alarm Settings page. Alarm serial
No.1 corresponds to the first alarm input on GVR3550 I/O interface, the following numbers keep to the
same matching sequence. Set normally-opened alarm and normally-closed alarm according to the
corresponding VIH /OV when alarm;
4. Set alarm output on Alarm Settings page. Alarm output 1 corresponds to the first alarm output; the
following numbers keep to the same matching sequence.
GVR alarm input/output ports on back panel could be connected to alarm input/output devices via the
proprietary green phoenix.
16 alarm input ports: One alarm input is consisting of one alarm input pin and one (public) G port.
2 set of alarm output ports: One alarm output is consisting of 1A and 1B, while 2A and 2B make the second
alarm output.
Connect cables according to the port instruction on the back panel of GVR3550.

Connect the first cable from alarm input device to ALARM IN 1, and the second cable to G port.

Connect the first cable from alarm output device to ALARM OUT 1A, and the second cable to ALARM
OUT 1B.
Connect other ports in the same way, see the connection diagram below.
GVR3550/GVR3552 User Manual

Figure 8 Connect Input/Output Device With Phoenix

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