Compaq Memory Channel Hub Manuale Utente Scaricare il pdf (Pagina 11)

Introduction

DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide

1–5

1.3 Specifications

Table 1-1 contains the physical, environmental, and electrical specifications for the 2T-

CCMHA-CB central office Memory Channel hub.

Table 1-1 2T-CCMHA-CB Central Office Memory Channel Hub Specifications

Physical Characteristics

Chassis

Weight 13.6 kg (30 lb.)

Length 40.64 cm (16 in.)

Width 48.26 cm (19.0 in.)

Height 17.78 cm (7.00 in.)

Environmental Requirements

Temperature range

Operating 0°C to 40°C (32°F to 104°F)

Non-Operating -20°C to 95°C (-4°F to 203°F)

Temperature change rate 11°C/hr (20°F/hr) maximum

Wet bulb temperature

(maximum)

28°C (82°F)

Dew point temperature

(minimum)

2°C (36°F)

Relative humidity 10% to 95% (noncondensing)

Altitude 60 m to 3050 m (-200 ft to 10,000 ft)

Electrical Requirements

Nominal voltage -48 Vdc

Operational voltage range -36 to -72 Vdc

Input current (maximum) 1.25 A at -48 Vdc

Input power 60 W

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Compaq Memory Channel Hub Manuale Utente Pagina 11