Lucent Technologies WaveStar OLS 40G, Installation Manual

Page: 575 / 578

Issue 1.0 March 2001
I-3
365-575-389
Installation Manual Line Buildout (LBO)
Zero-dB Attenuators — White or Blue
LBOs
Description
LBOs with zero-dB attenuation are white in color for ST and FC connectors and
blue for SC. The area on the LBO where the numeric attenuation is printed (see
Figure I-1) is left blank. Table I-1 lists the specifications for this type of LBO.
Table I-1. Zero dB LBO Specifications
Figure I-1. LBO Orientation for Reading Attenuation Values
Zero dB LBO — Color: White for ST & FC — Blue for SC
Connector Types ST, FC, and SC
Connection Types Single-Mode (SM) to Single Mode (SM)
Multimode (MM) to Multimode (MM)
Power Tested to 20 dBm
Internal Element None
Attenuation (dB) Zero dB
1
Attenuation Tolerance NA
Operating Temperature –40
°
C to +75
°
C
Wavelength 1310 nm and 1550 nm
1. Zero dB attenuation when connecting SM to SM, and SM to MM, and MM to MM. However,
connecting MM to SM will result in high attenuation levels.
Mating end to Universal
Block
Optical Connector End
1
2
Attenuation in dB