Connecting the ODU to the IDU Chapter 3
RADWIN 2000 User Manual Release 2.6.40 3-12
Figure 3-14: IDU-C Power connectors
The connectors are 3 pin in line female, with polarities (left to right) minus, ground, plus. To
avoid damage to the IDU, always use an AC/DC adapter supplied by RADWIN.
Ensure that the IDUs at both sites are powered up.
The IDU-E has a single three pin power connector, the same as used on the IDU-C.
Connecting the ODU to the IDU
The ODU-IDU cable conducts all the user traffic between the IDU and the ODU, and also pro-
vides power to the ODU. The maximum length of the ODU-IDU cable is 100m (328ft) in
accordance with 10/100BaseT standards.
The ODU-IDU cable is supplied pre-assembled with RJ-45 connectors, at the length specified
when ordering, or as a cable drum with spare connectors. If the ODU-IDU cable was not
ordered, use an outdoor class, CAT 5e 24AWG shielded cable. See Appendix B for Wiring
Specifications.
To connect the ODU to the IDU, route the cable from the ODU to the IDU, secure the cable
along its path and connect the cable to the ODU RJ-45 connector on the IDU (see item B in
Figure 3-11 above).
Installing a Link using PoE Devices
The PoE device is a very simple unit having a power input connector and two Ethernet ports.
It is AC powered, and has a power LED.
To prepare a link using PoE devices:
1. To connect the ODU to the PoE device, route the cable from the ODU to the PoE
device, secure the cable along its path and connect the cable to the LAN-OUT RJ-45
connector on the PoE device.
2. Connect it to AC power.
3. Repeat steps 1 to 2 for the second link.
Connecting User Equipment
To connect user equipment to an IDU:
1. Connect user switch/router or any other compatible device to the IDU panel RJ-45
ports designated LAN. (For an IDU-C, see item C in Figure 3-11 above.)
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