Compaq Memory Channel Hub manual Specifications, Environmental Requirements

Introduction

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	28°C (82°F)
(maximum)
Dew point temperature	2°C (36°F)
(minimum)
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

DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 1–5