Cisco HGA9N - Small Business HighGain Omni-Directional Antenna Administration Manual page 17

3
4. Washers—4 pcs
5. Screw nuts—4 pcs
Figure 12 Pole Mount Example
The bottom of the Omni-Directional Antenna has a removable black covering.
STEP 4
Remove the black covering and attach the lightning protector as illustrated below
by inserting the male end of the protector into the Antenna.
Cisco HGA9N Administration Guide 17