User Manual

Grounding and Surge Protection 2-7
Reunion CTR 28 GHz Installation Guide
Ground connections to outdoor equipment
The grounding lug is supplied with all current releases of outdoor brackets. In
addition, a 6 AWG braided ground wire connected to the common bonding
network is required to complete the ground connection for all microwave
products.
Note: There is no grounding lug supplied with previously-released
microwave products. To retrofit these installations, order one retrofit kit
for each sector and use the following procedures.
Retrofit procedure for grounding the base station equipment
(BTR and RPE)
You will need an NTVG15BA BTR and RPE grounding retrofit kit for every
base station sector to be retrofitted, containing the following parts:
Use the following method to install the kit on the BTR, referring to Figure 2-4:
1 Remove the 3/8” mounting bolt, two flat washers and the mounting
washer from the BTR. Discard one flat washer and the locking washer.
2 Crimp the 3/8 terminal (A0297956) onto the grounding wire.
3 Install the existing bolt, flat washer, new internal tooth washer, and the
complete ground cable as shown in Figure 2-4.
Use the following method to install the kit on the RPE, referring to Figure 2-4:
1 Remove the 1/4” mounting bolt and split lock washer as shown in
Figure 2-4.
2
Crimp the 1/4 terminal (A0315080) onto the grounding wire.
3 Install the ¼” original mounting bolt and a stainless steel internal tooth
washer.
4 Repeatedly tighten and loosen the fastener assembly, rotating the
internal tooth lock washer, until the powder coating is scraped off and
the bare metal is exposed. Repeat this procedure if required.
5 Discard the internal tooth washer used to remove the powder coating.
6 Using new stainless steel internal tooth washers, assemble the complete
ground cable connection, as per Figure 2-4.
Item Qty Vendor part no. Description CPC no.
1 2 LCA6-38 6 AWG, 3/8” compression terminal (Panduit) for BTR A0297956
2 1 LCA6-14 6 AWG, 1/4” compression terminal (Panduit) for RPE A0315080
3 2 W-2064 1/4” Stainless steel internal tooth lock washer (Spaenaur) for RPE TBD
4 2 W-2069 3/8” Stainless steel internal tooth lock washer (Spaenaur) for BTR TBD