PERFORMANCE VERIFICATION TESTS
KI23400/KI27400 UM-2
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81 -
Length measurement
1. Connect the instruments as shown in Figure 15A.
LTS LTS
Figure 15A. Test set up for length measurement referencing
2. Switch on each instrument and press [Autotest], [Abs / Rel], then
[Set Ref] for 3 seconds. The displayed length measurement should
read 0 meter.
3. Disconnect one end of the test lead, reconnect it to a fiber spool
(SMF or MMF as appropriate with expected length) via a thru adaptor
and, connect the other end of fiber-spool to the other LTS, see
Figure 15B.
4. Note the displayed length readings on both LTS, they should not
be more than
1% of the fiber-
spool’s expected length
.
LTS Fiber-spool LTS
Figure 15B. Test set up for length measurement accuracy verification
Optical Return Loss
ORL Verification Test for K23400 series instrument with PC
connector, ORL port
For this test you will need standard accessories supplied with the
unit:
- PC/APC test lead, single mode
2-way
port
Test lead (SMF or MMF)
2-way
port
2-way
port
2-way
port
Test lead