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Chapter 6
Maintenance
To help ensure long, trouble-free operation:
1) Always keep clean fiber-optic connectors before using, keep the unit
free from oil and dust.
2) Do not use unclean, non-standard fiber-optic connector adapter, do
not insert to bad fiber-optic connector interface which may cause the
system out of the work.
3) Try to use one type fiber optic connector adapter.
4) After finish the testing or when the unit is unused, please cover the
dust-proof cap to ensure the optical interface is clean and to avoid
measurements errors caused by dust.
5) Push/pull the fiber-optic connectors carefully to avoid the scratches
on the interface.
6) Clean optical connectors regularly with cleaning cotton swabs.
Chapter 7
Warranty & Servicing
Caution: Repair it in the field is NOT recommended.
1) Joinwit warrants that
JW3213series of PON Optical Power Meter
will be free from
defects in material and workmanship for a period of
18 months.
The date will be
started from the date of goods receiving by original customer.
2) If any defectives happened due to quality problems of the product
during the first
month(from the date of goods receiving)
of warranty period, Joinwit undertakes
at
its own cost
(including all the freight costs and import taxes ) to
repair or replace or
return
the faulty product.
3) If any defectives happened due to quality problems of the product
during the 2
nd
month to 18
th
month
of warranty period, Joinwit promises to repair or replace free of
charge.
But
the freight cost and related taxes will be shared by both parties. Joinwit will
pay the shipping cost from customer side to Joinwit and pay the import taxes in China.
Customer will pay the shipping cost from Joinwit to customer side and its local import
taxes accordingly.
This warranty is limited to defects in workmanship and materials and does not
cover damages from accident, acts of god, neglect, wrong usage or abnormal
conditions of operation.
4) Joinwit will charge corresponding fees for the cost of materials, repair and shipping in
