2n Analogue UMTS gateway 2N SmartGate UMTS - Manual, Manual de usuario descargar pdf (Pagina 73)

Technical Parameters

5.1

73

Telephone Interface FXO (for PBX extension line)

Interface type 2-wire analog, FXO

Telephone connector type RJ 12, 6/2

Line impedance Zr (TBR21) or 600 W (According to model of Gateway)

On-hook DC resistance

1 MW

Off-hook line current 10 - 65 mA

Off-hook line voltage (typ.) 4,5 V for 25 mA

Dial tone frequency adjustable, default 425 Hz

Dialing type tone (DTMF)

Ringing voltage Min. 20 Vrms 25-50 Hz

Ringing impedance 4 - 10 kW / 50 Hz

Dial thru parameters

Voltage drop (typ.) 1,7V / 25 mA

Closed loop resistance (typ.)

6 W

SMS Sending Input

Closed loop resistance max. 1 kW

Open loop resistance Min. 25 kW

Input overvoltage protection max. +/- 12 V

Data Interface

Interface type USB 2.0

Connector USB type B

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