Description

Parameters Specifications Type of Switching PCM/TDM, Digital Switching, 100% Non-blocking Processor 16-bit DSP Signaling Loop Start Dialing DTMF and Pulse (10/20PPS) Off-Hook AC Impedance 600/900/Complex Off-Hook Current 39mA Max. Loop Limit 1800Ω Max (Excluding Telephone) On-Hook Voltage (Tip/Ring) -48V nominal DTMF Detection ITU-T Q.24 Return Loss >18dB Longitudinal Balance >50dB Transmission Level Adjust Tx Gain: -12dB to +6dB, Rx Gain: -12dB to +6dB Ringing Trapezoidal 50VRMS/25Hz and Sinusoidal 52VRMS/25Hz REN 3 CLI Presentation DTMF, FSK ITU-T V.23 and FSK Bellcore 202 Protection Over Voltage Secondary Protection Physical Connector 2.54mm Push Type connector CO (Central Office)/Two-Wire Trunk (TWT) Signaling Loop Start Loop Limit 1200Ω Off-Hook AC Impedance 600/900/Complex Pulse Dialling 10/20 PPS DTMF Dialling and Reception ITU-T Q.23 and Q.24 Return Loss >18dB Longitudinal Balance >50dB Transmission Level Adjust Tx Gain: -15dB to +10dB, Rx Gain: -15dB to +10dB CLI Reception DTMF, FSK ITU-T V.23 and FSK Bellcore 202 Call Maturity Delay and Polarity Reversal Protection Over Voltage and Over Current Secondary Protection Physical Connector 2.54mm Push Type connector Input External Adapter 12V@2A for VISIONPRO 206, 308, 412 Dimensions (WxHxD) 23.1×16.25×5.5cm (10.5″x11.2″x3.1″) Unit Weight 0.65 kg (1.43lbs) Shipping Weight 3.5 kg (7.7lbs) Installation Wall Mount Operating Temperature 0°C to 45°C (+32°F to +122°F) Operating Humidity 95% RH, Non-Condensing