User Manual

MDR2400/5800-SR, Orion2410/5810-SRi and Orion 5825-SR
862-01881 Issue 12c Page 37
4. Do not use right angle N-type connectors with the radios: they may present high
loss.
5. Do not use low quality cables. Some cable types, such as RG-8, may have too
high a loss at 5.8 GHz.
4.4 Interconnection Cable Installation
Follow these steps to install the Digital Indoor Unit to RF Unit interconnection cables.
CAUTION
- DO NOT OVER TIGHTEN THE CABLE STRAPS ON THE
CABLES AND DO NOT FASTEN THE STRAP LOCKING
MECHANISM OF THE CABLE STRAP ONTO THE CABLES.
1. On the RFU side, connect an RJ45 plug to the data cable. Place the RJ45 plug
into the RJ45 socket in the RF Unit connection box / Indoor RF Unit front panel.
2. On the RFU side, connect the DC power leads within the RF Unit Connection
Box / on the Indoor RF Unit front panel. Use the + and - connections.
18
-+
RJ45 Socket
IU/OU
LINK
1
8
-+
RJ45 Socket
IU/OU
LINK
Rear Panel
Front Panel
LOOKING AT THE "RF Unit" CONNECTION BOX
(Located on the rear panel of the MDR DIU, front panel of the Orion DIU)
3. If applicable: Close the RF Unit Connection Box Cover using a 2.5mm Allen key.
Make sure the rubber gaskets seal correctly over the power and data cables.
4. If applicable: Using cable ties, secure the cable to the pole at regular intervals.
5. On the DIU side, connect an RJ45 plug to the data cable. Place the RJ45 plug
into the RJ45 socket in the "RF Unit" connection box.
6. On the DIU side, connect the DC power leads to the supplied GREEN Phoenix
plug. Insert this plug into the green socket in the "RF Unit" connection box.
7. The user can see that there is a suitable DIU/RFU data interconnection if the
‘DIU/RFU Link’ LED of the DIU is lit up green.