S320 OCS Hardware User Guide
Page 43 of 46
A.2 Reliability, Accessibility and Serviceability (RAS)
A.2.1 Reliability
The S320 OCS has been tested and found compliant with the Telcordia SR-332 reliability
standard.
The Mean Time Between Failures (MTBF) for an S320 OCS equipped with redundant control
processors and power modules is greater than 14.4 years.
A.2.2 Accessibility and Serviceability
The physical characteristics of the S320 OCS affecting accessibility and serviceability are listed in
Table 8.
Table 8 – S320 OCS Physical Dimensions
17.5” W x 13.9” H x 19” D (445 x 353 x483 mm)
320 ports in 7 RU chassis
Installable in 19”, 23” or ETSI rack
A.3 Optical Specifications
Optical specifications for the S320 OCS are listed in Table 9.
Table 9 – S320 OCS Optical Specifications
Calibration for
internal power
reading at 1310
and 1550 nm