specifications listed in table 2. The accuracies listed in table 2 provide a four-to-one ratio
between the standard and OPM or SLS. Where the four-to-one ratio cannot be met, the
four-to-one accuracy will be listed and the actual accuracy of the equipment selected is
shown in parenthesis.
5. Accessories Required. The
accessories listed in table 3
are issued as
indicated in
paragraph 4 above and
used in this
calibration procedure. When necessary, these items
may be substituted by equivalent items, unless specifically prohibited.
Table 2. Minimum Specifications of
Equipment Required
Minimum use
Manufacturer and model
Common name
specifications
(part number)
FOCUS-SWCM
Range
1: -50 to -10 dBm
Nichols Research Corp. Model
Accuracy: 0.125 dB
202-60018-02 (202-60018-02)
FOCUS-LWCM
Range
1: -50 to -6 dB
Nichols Research Corp. Model
Accuracy: 0.125 dB
202-60018-01 (202-60018-01)
Range: -50 to -6 dBm
LIGHTWAVE
Hewlett Packard Model 8153A
(8153A) with plug-in 81531A
Accuracy: 0.0875 dB (0.13 dB)
(81531A) and FC connector
adapter PN 81000FI (81000FI)
1Accuracy
at -10 dBm is 0.0875 dB
Common name
Description (part number)
RS232 Cable
TS4358-RS232
Version 1.10: 11/22/94
FC Connector Adapter
EXFO FOA-22 NTT-FC
6. Preliminary
Instructions
a.
Instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration
process. Personnel should become familiar with the entire bulletin before beginning
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Additional maintenance information is contained in TM 9-6650-906-12 and TM 9-6650-906-
40 for the OPM or SLS.
d. Unless otherwise specified, all controls and control settings refer to the OPM or SLS.