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The SC-355s GSM interface is a new type of wireless terminal that allows users to dial and receive phone calls via GSM Network. It acts as an interface between GSM Network and a locally connected telephone, PBX or Payphone.
The payphone / telephone can be connected to GSM Network through the line interface of SC-355. It supports GSM 900 / 1800MHz dual frequency.
SC-355 GSM interface is used to provide an analog telephone service (POTS) to a subscriber. It provides SLIC (Subscriber Line Interface Circuit) function at line interface to certain PABX.
FEATURES:
Conversion of wire & wireless communication
Auto-select economic route
Connecting with local PSTN line, the phone calls will proceed code-transfer dialing process
Set up the Allow-to-Dial Code
Prefix Code Conversion Setting
Polarity reversing function
Definition of DTMF reversing signal
Setting up Specific Call-Transfer
Remote setup password
SPECIFICATION:
Phone impedance: under DC 1kΩ, AC 600Ω (exclude wire impedance)
Phone signal receiving level: -3dbm～-24dbm
Phone signal time: 50～100ms
Phone frequency error: ?％
Feed voltage: 48V
Power converter: Input 110V AC or 220V AC, Output 12V DC 1A
GSM SPECIFICATION:
GSM Frequency bands: Dual Band EGSM 900 and GSM 1800(GSM Phase 2+)
GSM class: Small MSIII
Transmit power: Class 4(2W) for EGSM 900 Class 1(1W) for GSM 1800IV
SIM card reader: External ?connected via interface connectorV
Antenna: 50 Ohm antenna coaxial connector
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