RAD Data comm ASMI-450 Technical Specifications, HDSL Interface, Users Serial Data Port Interface

Introduction

1.3 Technical Specifications

HDSL Interface

Signal Format

Line Type

Nominal Impedance

Transmit Pulse Shape

Transmit Signal Power

Loop Loss

Typical Range (AWG 24 Wire (0.5 mm))

392kbaud

584kbaud

Return Loss (Relative to 135Ω)

Loop Loss

Noise Margin

2B1Q line coding

One unconditioned, unloaded twisted pair 135Ω

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

+13 dBm

−35 dB max. at 200 kHz (392 kbaud)

−31 dB max. at 150 kHz (584 kbaud)

5.7 km

4.5 km

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

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

−35 dB maximum at 200 kHz (392 kbaud)

−31 dB maximum at 150 kHz (584 kbaud)

−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

1-10 ASMi-450 Installation and Operation Manual