2-16 DHS Technical Specification Tables
Table 2-3: Electrical Specifications
Component Description
AC Power Source Dedicated 117/230V AC +
15% (47-63 Hz
single phase)
Power consumption 1.5A max. at 120V AC (180 W)
Power Supply fuse:
AC input
DC output
2A 250V
1A 125V
Idle Channel Noise -74 dB
Cross Talk Attenuation 75 dB (at 1 kHz)
Ringing Sensitivity 40V RMS 25 Hz
Ringer Equivalence Number 1.0B
CO Line Signaling DTMF amplitude (-5, -7 dB) +- 2 dB, at
approx. 2 Vpp
Pulse Dialing ratio 60/40 at 10 Pps
Music Source/Background Music 0 dBm at 600 Ω input impedance
1/8 in. phono jack
Contact rating (Option Module LBC) 1A at 24V DC
1/8 in. phono jack
External Page Port 0 dBm at 600 Ω
1/8 in. phono jack
Serial Ports Nine-pin female RS-232C
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