Mounting The Main Distribution Frame (Mdfu-E); Laying The Line Network And Jumpers On The Mdfu-E - Siemens HiPath 3000 Service Manual

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Installing HiPath 3000

Installing HiPath 3800

Mounting the Main Distribution Frame (MDFU-E)

The MDFU-E main distribution frame should be installed in the direct vicinity of the system

(note length of connection cable) and at eye level.

The packing material contains a drawing that can be used as a drilling template.

Procedure for wall mounting

Use the template to drill the holes.

Insert the wall anchors and screw in the screws, leaving 5 mm projecting.

Remove the housing cover and mount the MDFU-E on the brackets.

Tighten the screws through the holes.

Be sure to connect the main protective earthing terminal on all system cabinets and

all main distribution frames to the grounding point of the electrical building installa-

tion before connecting up the peripherals (for example, potential equalization bus).

Jumpers, external line network

Most main distribution frames do not have an external side. You must jumper them to the in-

coming line network (see jumpering duct, Figure 4-36). Use a standard wiring tool for laying the

cable wires.

Surge protector

To divert surges caused by lightning, insert surge protectors on

lines that leave the system buildings (outside stations)

lines > 500 m long.

Connect the polarized surge protectors to the plugging locations on the splitting strip described

above (see Figure 4-38).

P31003-H3550-S403-4-7620, 02/05

HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual

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