Boards for HiPath 3000
P31003-H3550-S403-4-7620, 02/05
3-86 HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
boards.fm
Peripheral Boards
3.3 Peripheral Boards
Note
The HiPath 3550, HiPath 3350, HiPath 3500 and HiPath 3300 peripheral boards must be firmly
inserted into their slots; otherwise contact problems can cause board failure.
3.3.1 DIU2U (For U.S. Only)
Introduction
The DIU2U (Digital Interface Unit 2 Universal) trunk module connects two digital trunks to Hi-
Path 3800 and in this way provides two primary rate interfaces (PRI) ISDN via T1 interfaces.
Connection types
● Fiber optic cable
The fiber optic cable is only connected via the front panel. The opto-electronic converter
AMOM must be used to connect a fiber optic cable to the 15-pin Sub-D jacks on the front
panel.
● Copper cable
The copper cable is connected to T1-CSU (Customer Service Unit) or DSU (Data Service
Unit) via the adapter cable (C39195-A7269-B625) shown in Figure 3-37.
7
Caution
The system must be powered down and de-energized before removing or inserting
all boards in the HiPath 3550, HiPath 3350, HiPath 3500, HiPath 3300 and before
removing or inserting the central boards of the HiPath 3800, HiPath 3750 and Hi-
Path 3700.
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