Cleaning An Sfp Optical Module - Nortel Passport 15000 Hardware Installation And Maintenance

Cleaning an SFP optical module

Prerequisites
Passport 15000, 20000 Hardware Installation, Maintenance, and Upgrade
Clean a small form pluggable (SFP) optical module to remove a
contamination and to restore optimum signal throughput between an
interfacing LC fiber cable and its optical transceiver of the module socket
(port) in the FP faceplate.
• You must be familiar with "Safety considerations and best practices"
(page 53).
• The procedure applies to an SFP optical module with any of the
following PECs:
— NTTP01AB for multimode (MM) fiber cables for an NTHW49
— NTTP01CB for single-mode (SM) fiber cables for an NTHW49
— NTTP02AD for MM fiber cables for an NTHW44
— NTTP02CD for SM fiber cables for an NTHW44
— NTTP02ED for SM fiber cables for an NTHW44
• To avoid contamination, clean an SFP module only when there is
evidence of contamination or performance is reduced through the
module socket (port).
• You need clean dust caps for the connector ends of each SFP module, and
a clean anti-electrostatic discharge bag.
• You need a microscope with at least 40x magnification to inspect the pair
of lenses on each SFP module.
• You need these supplies:
— optical fiber cleaning swabs (such as those made by Cletop) with a
1.25 mm diameter or other equivalent swabs that are rated to not
shed material (for example, a cotton swab sheds and must not be
used)
— 3M's HFE-7100 cleaning fluid or iso-propyl alcohol (IPA)
— low pressure clean nitrogen or air
Chapter 17 Hardware procedures 281
5.2S2