Zycoo 1GSM Module

The Zycoo 1 GSM module supports ONLY for CooVox-U20 IP-PBX to connect to the GSM mobile network.

Each port has one LED(Light-Emitting Diodes), which is assembled on the mainboard.

The Red LED indicates port status:
 Solid Red= Module loading successful
 Blink Red= Channel Ringing
If the LED is off, the GSM module is loading failure.

The Red LED indicates port status:
 Solid Red= TE Model
The Green LED indicates port status:
 Solid Green= NT Model
If the LED is off, the module is loading failure.

 Designed with SIM900 for global market, SIM900 is a quad-band GSM engine that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz.