Compaq MPAC-18 Spezifikationen PDF herunterladen (Seite 9)

INSTALLATION

2. Installation

2.1. Product Inspection

Carefully unpack the power supply module from the shipping box. If the box or power supply module is damaged, please

notify the freight company to make a damage claim. If you suspect that there is a problem with the power supply module that

may affect it’s safe operation, do not install such a suspect Power Supply into the Active MAXNET II Chassis.

NOTE: This equipment is intended for installation in a RESTRICTED ACCESS LOCATION only.

NOTE: Not for use in a computer room as dened in the Standard for Protection of Electronic Computer/Data Processing

Equipment, ANSI/NFPA 75.

Rack Mounting Precautions

a) Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the operating ambient temperature

of the rack environment may be greater than room ambient. Therefore, consideration should be given to installing

the equipment in an environment compatible with the maximum ambient temperature (35ºC) specied by the

manufacturer.

b) Reduced Air Flow - Installation of the equipment in a rack should be such that the amount of airow required for

safe operation of the equipment is not compromised.

c) Mechanical Loading - Mounting of the equipment in the rack should be such that a hazardous condition is not

achieved due to uneven mechanical loading.

d) Circuit Overloading - Consideration should be given to the connection of the equipment to the supply circuit

and the effect that overloading of the circuits might have on overcurrent protection and supply wiring. Appropriate

consideration of equipment nameplate ratings should be used when addressing this concern.

e) Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained. Particular attention should

be given to supply connections other than direct connections to the branch circuit (e.g. use of power strips).”

2.2. Module Installation Into the Active MAXNET

II Chassis

Slide the dual-width MPAC or MPDC power supply module into an open slot in the Active MAXNET II Chassis, one that

spans two single-width module locations beginning with an odd number (indicated by a white marker on the chassis), until the

module drops into its lock position. The module must be inserted into an odd number slot in order for the power supply

module to properly mate to the active chassis back plane. If the power supply is an MPAC unit, connect an appropriate

power cord (depending on the voltage rating used and plug type at installation site) to MPAC’s IEC power inlet. If the power

supply is an MPDC unit, using bus wire, connect –48 VDC into the terminal block on the back of the module following the

terminal block labelling (see below Table 3). A disconnect device is required between the -48 VDC supply and the MPDC

power supply.

To remove a power supply module from the chassis, gently lift the front handle and pull back on the module until it is clear

of the chassis guide slot. Power (AC or DC) should be disconnected from the module before removing for replacement or

service. This is accomplished by removing the AC IEC plug for the MPAC unit and the terminal block for the MPDC unit.

CHAPTER 1: PRODUCT DESCRIPTION CHAPTER 2: INSTALLATION

MAXNET

II – MPAC/MPDC Modular Power Supply – Installation & Operation Manual 2-1

Table #3: Rear Terminal Block Assignments

MPAC-110 /

MPAC-220

MPDC

+24V

OUT

COM

GND

+24V

OUT

COM

GND

RTN

-48V

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 23 24

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