ADTRAN 1175408L1 Bedienungsanleitung PDF herunterladen (Seite 11)

Chapter 1. Introduction

61175408L1 Octal FXS Voice Module User Manual 1-3

QUAD FXS VOICE MODULE SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

Power 6 Watts (off hook)

Loop Current 23 mA nominal

20 mA minimum

Loop Resistance 1200 ohms nominal/1650 ohms maximum*

(900 ohms/1350 ohms - line, 300 ohms - phone)

Loop Length 16 kfeet

Terminating Impedance 900 ohm + 2.16µF,

600 ohm + 2.16µF,

900 ohm, and 600 ohm

Return Loss 900 ohm + 2.16µF,

ERL > 28dB,

SRL > 20 dB

Trans Hybrid Loss 900 ohm + 2.16µF,

ERL > 28dB,

SRL > 20 dB

Longitudinal Balance 200, 500, and 1000 Hz: > 58 dB min., > 63 dB avg.

3000 Hz: > 53 dB min., > 58 dB avg.

Frequency Response 300 to 3400 Hz: -0.5 and 1.0 dB

Idle Channel Noise <20dBrnC

Signal-to-Distortion Ratio 0 to -30dBm0: > 33 dB

-30to-40dBm0:>27dB

-40to-45dBm0:>22dB

PHYSICAL SPECIFICATIONS

Dimensions 31/4"Hx10"D

Weight 1lb.

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature -40 to 64 °C

Storage Temperature -40 to 70 °C

Relative Humidity Up to 95% noncondensing

*Measured with -48 VDC input, 20 mA loop current

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ADTRAN 1175408L1 Bedienungsanleitung Seite 11