TB 9-6625-2291-24
5. Accessories Required. The accessories required for this calibration are common
usage accessories, issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure. The following peculiar accessory is also required for this calibration:
Optical fiber jumper cable, FC-to-biconic (9/125 micron single-mode).
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
LIGHTWAVE MULTIMETER
Range: 0 to -50 dBm
Hewlett-Packard, Model 8153A
Accuracy: 0.125 dB (.212) dB
(8153A) w/power sensor module,
81531A (81531A), and connector
interface adapters, FC (8100FI)
and Biconic (81000WI)
FOCUS-LWCM
Range: -10 to -50 dBm
Nichols Research Corp Model 202-
Stability: 0.03 dB /hr.
60018-01 (202-60018-01)
Range: 1.000 Vdc
Fluke 8840A/AF05
(AN/GSM-64D)
CALIBRATION PROCESS
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
c. Unless otherwise specified, verify the results of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturer's manual for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
7. Equipment Setup
Always keep end of fiber optic cable 1 foot away from eyes.
Never look into the end of an energized fiber optic cable.
CAUTION
Keep optical output connectors clean at all times. Dust and
dirt will degrade optical performance. Keep connectors capped
when not in use.
a. Remove dust cap from TRANSMIT port. Carefully clean fiber optic connector in
TRANSMIT port and optical fiber jumper cable, FC-to-biconic (9/125 micron single-mode),
with Q-tip moistened slightly with 90% pure isopropyl alcohol.
