TB 9-6625-2137-35
Figure 4. 124 Ω
balance test -
equipment setup.
(11) Repeat (2) through (6) above at 10 kHz.
(12) Press TI TERMINATION [124 Ω] pushbutton. TI will indicate less than or
equal to -36 dBm O.
(13) Repeat (11) and (12) above at 10 MHz.
(14) Reverse connectors on 124 Ω input. TI will indicate less than or equal to -36
dBm O.
(15) Remove 124Ω balance test adapter from equipment setup and replace with 135Ω
balance test adapter.
(16) Remove adapters No. 2 from equipment setup and connect cables No. 1 to
adapters No. 1.
(17) Connect adapters No. 1 to 135 Ω input of TI and repeat (2) through (6) above at
10 kHz.
NOTE
If indications between inputs are out of tolerance, replace one
or both cables No. 1 and repeat (11) through (13) above.
(18) Press TI TERMINATION [135 Ω] pushbutton. TI will indicate less than or
equal to -36 dBm O.
(19) Repeat (2) through (6) and (18) above at 1 MHz.
(20) Repeat (14) above for 135 Ω input.
11