Cisco Cisco 1 GHz GainMaker Amplifier インストールガイド
741338 Rev D
Installing Trim Networks
2-23
Installing a Trim Network in a LEII,
Continued
5.
Using a wire cutter or snips, carefully cut the wire jumper (W8) on the
module’s midstage section (A4) as close to the circuit board as possible.
6.
Remove the wire jumper from the module using needle-nose pliers.
Do not let loose cutting fall into the amplifier.
Do not let loose cutting fall into the amplifier.
7.
Ensure the pins are straight and clean on the trim network.
8.
After tuning the trim network for the proper response, measure the RF output
level.
9.
Change the interstage pad or input pad to obtain the same RF output level as
noted in step 4.
10. If the station is operating in the automatic mode, set the AUTO/THERMAL
switch on the AGC to AUTO.
11. Reset the AGC for proper output levels.
12. Close the LEII module cover.
13. Close the LEII housing.
12. Close the LEII module cover.
13. Close the LEII housing.
Note: If the trim network is removed, either install a plug-in jumper (part number
379986 for 550 MHz or 081630 for 750 MHz) or solder a 22 AWG bus wire in the A4
location.