RAD Data comm ASMI-450 User Manual

Page 28

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Introduction

1-10

ASMi-450 Installation and Operation Manual

1.3 Technical Specifications

HDSL Interface

Signal Format

2B1Q line coding

Line Type

One unconditioned, unloaded twisted pair

Nominal Impedance

135

Transmit Pulse Shape

Per ANSI T1E1.4/92-002RI and ETSI ETR-152

Transmit Signal Power

+13 dBm

Loop Loss

35 dB max. at 200 kHz (392 kbaud)

31 dB max. at 150 kHz (584 kbaud)

Typical Range (AWG 24 Wire (0.5 mm))

392 kbaud

5.7 km

584 kbaud

4.5 km

Return Loss (Relative to 135

)

16 dB minimum, 40 kHz to 200 kHz @ 392 kbaud

16 dB minimum, 25 kHz to 317 kHz @ 584 kbaud

Loop Loss

35 dB maximum at 200 kHz (392 kbaud)

31 dB maximum at 150 kHz (584 kbaud)

Noise Margin

6 dB at 392 kbaud

3.3 dB for 584 kbaud

Equalizer

Automatic adaptive equalizer

Connector

RJ-45

User's Serial Data Port Interface

Interface Type

V.35, V.36/RS-422, RS-530, or X.21, in accordance with
order

Bit Rates

ASMi-450/768

n

×

64 kbps, up to 768 kbps

ASMi-450/1152

n

×

64 kbps, up to 1152 kbps

Interface Connectors

V.35

34-pin, female

RS-530

25-pin D-type, female

RS-449/V.36

37-pin D-type, female (via adapter cable)

X.21

15-pin D-type, female

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