inst_h3.fm
Installing HiPath 3000
Installing HiPath 3750, HiPath 3700
4.3.3.8
Laying the Line Network and Setting Jumpers on the MDFU or MDFU-E
Danger
7
Connect the system to ground before connecting the stations.
Not for U.S.: 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 4-70 = MDFU, Figure 4-71 = MDFU-E). Use
a standard wiring tool for laying the cable wires.
If you jumper stations on the MDFU or MDFU-E (for example, with an ICCS network)
>
without first entering the relocate code, when you reconnect them the stations affect-
ed will go into operation with the data of the stations originally installed.
Not for U.S.: 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 4-68).
4-122
P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual