Verilink HDM 2182 (880-502925-001) Product Manual Uživatelský manuál stáhnout pdf (Strana 13)

HDM 2182 DS3 DSU Overview

Verilink HDM 2182 User Manual 1-5

HDM 2182 Specifications

Table 1-1 Network Specifications

Table 1-2 Data Port Specifications

Table 1-3 Environmental Specifications

Network Interface

Type

DS3

Line Rate

Line rate: 44.736 Mbit/s

20 ppm

Framing

C-bit parity

Line Code

B3ZS

Input Signal

-11.7 dBm to +6.2 dBm, level DS3

Output Signal

-4.7 dBm to +3.6 dBm (DSX-3 cross-connect point)

Impedance

Ω

± 5%

Connector

BNC female, one each for TX and RX

System Timing

T3 (BNC), Network, or Internal

Data Ports

Type Two HSSI, DCE only

Line rate

n ×

1.578 Mbit/s, where

= 1 to 28

Physical interface 50-pin HSSI

Hardware handshake Control leads supported for DTR, DSR, TM, LLA, LLB

Non-operating

Temperature range -20 to + 80

Maximum temperature

change rate

per hour

Humidity 0% to 95% relative, non-condensing

Vibration, in transport,

withstand

0.5 G from 5 Hz

3.0 G from 50 Hz to 500 Hz

Shock during shipping,

withstand

20 msec, 25 G, half-sine shock pulse when mounted normally

80 G peak, half sine for 10 msec

Operating

Power consumption <15 Watts total, front and back modules

Temperature range 0 to 50

, 0% to 95% relative humidity, non-condensing

Vibration Withstand 25 G @ 1 to 60 Hz with no service interruption

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 80 81

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