Carrier Access 1750 user manual Installation Factors, Factor Consideration

Chassis Installation and Grounding

Installation Factors

Installation Factors

The Broadmore 1750 is designed and delivered ready for installation in a standard EIA 19" equipment rack. The mounting brackets can be repositioned for installation in a 23" rack. To ensure a smooth installation that meets all requirements, the following installation factors should be considered.

Factor	Consideration
Access Clearance	Broadmore 1750 requires the following access clearances for
	service and maintenance:
	Front: 24"
	Rear: 4"
	Top: 1.75" (Broadmore 1750 units may be stacked without this
	clearance.)
Power Source	DC Power: –48 VDC at 5 amperes is connected to the rear of the
	Broadmore chassis. A second –48 VDC source may be connected
	for redundancy.
	Optional AC Power Supply Tray: Converts 110/240 VAC (50-60
	Hz) to –48 VDC. Rack mounted tray (3.5" high) can hold two power
	supplies. Unit comes with one power supply and DC cable. A
	second power supply with cable can be added to provide redundant
	DC power to the Broadmore. AC and DC power connections are at
	the rear of the unit. The DC cable is approximately 3.5 ft. long.
Cable	Overall cable lengths can be optimized by equipment placement.
Management	User equipment interface cable connections are made to the
	input/output modules at the rear of Broadmore chassis.
	ATM interface connections is via fiber cable to the network
	interface modules at the front of Broadmore chassis.
	Access and cable strain-relief tie-down points are provided.
	Chassis front and rear cover removal is required.

Broadmore 1750 - Release 4.6 4-3