Nortel Internet BWA System 3200, User Manual

Page: 56 / 68

6-16 Installation and commissioning procedures
Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000
Procedure 6-3 (continued)
Connecting the interface cables
Step Action
3 If you connect less than 4 DS1 channels or less than 4 E1 channels, insulate
the ends of the unused twisted pairs with electrical tape. Then label and
fasten the ends for future identification.
4
5 Connect the female end of the interface cable to the 31-pin male connector
on the ODU (align the connector guide pins and rotate to set the cable in
place and do not force the cable connector into the ODU connector).
Attach the wireless link antenna
6 Remove the 433.92-MHz antenna with reverse SMA connector from the
accessory kit.
7 Remove the plastic guard cap from the ODU port for wireless or coaxial I/O
(refer
Figure 1-3 on page 1-5 for the location of the wireless I/O port).
8 Attach the 433.92-MHz antenna to the ODU port.
Ground and weatherproof the connectors
9 Attach a 6-AWG cable between the grounding post on the rear of the Internet
BWA System 3200 to the tower or structure grounding system.
10 Attach a cable grounding kit to the radio unit end of the interface cable.
11 Attach the cable grounding kit to the tower or site ground according to the
instructions of the supplier of the grounding kit (attach the grounding kit within
three feet of the connection to the radio unit).
12 Repeat step 10 and step 11 at the base of the tower before the entrance to
the building or shelter.
13 Apply a weatherproof compound to all outside connections. At the least,
apply a water resistant tape to all the outside connectors.
—end—
CAUTION
Reduced system performance
Failure to use the correct cable types significantly
reduces system performance.
CAUTION
Risk of equipment damage
Failure to properly ground the Internet BWA System 3200 and
mounting structure causes poor performance and a higher risk
of damage from lightning.