Yeastar MyPBX Flexible Modular Design

With module-based MyPBX, you can have flexible telephony interfaces combination. You might need S2 module to connect analog phones or fax machines; and you can decide what physical trunks you need in your system.

• O2 Module (2 FXO Ports): O2 is a module with 2 FXO ports to terminate two analog PSTN (POTS) lines. It can be used in S-Series

• S2 Module (2 FXS Ports): S2 is a module with 2 FXS ports to terminate two analog telephone. It can be used in S-Series

• SO Module (1 FXS & 1 FXO Ports): Unique PSTN Fallback Function! Make/receive calls even when system power breaks down. It can be used in S-Series

• GSM Module (1 GSM Port): GSM Port for Voice Calls. A module with 1 GSM port to terminate GSM network. It can be used in S-Series

• CDMA Module (1 CDMA Port): CDMA Port for Voice Calls. A module with 1 CDMA port to terminate CDMA network. It can be used in S-Series
  
  CDMA Parameters:
  CDMA channels: 1 Channels
  Network types: 800 MHz
  CDMA engine: SIMCom
  Transmitter power: 30dB
  SIM card: USIM, 1.8/3V

• UMTS Module (1 UMTS Port): UMTS (3G) Port for GSM/3G Voice Calls. A module with 1 UMTS port to terminate UMTS network. It can be used in S-Series
  
  UMTS Parameters:
  UMTS channels: 1 Channels
  Network types: UMTS 900/2100MHz or 850/2100MHZ or 850/1900MHZ
  UMTS engine: SIMCom
  USIM: 1 USIM per channel, Small plug-in, 3V