363-206-305
Technical Specifications
10-62
Issue 3 June 2000
Table 10-27. DDM-2000 FiberReach Circuit Pack Reliability
3.
Telcordia Technologies criteria (Outage Requirements and Objectives) is based on TA-TSY-
000418, Issue 3,
Generic Reliability Assurance Requirements for Fiber Optic Transport Systems
.
Outage is in minutes per year.
4.
5.
Mean time to repair is assumed to be two hours for the CO and four hours for RT environments.
Not applicable for Releases 3.0 and later.
Central Office Remote Terminal
Circuit Pack FITS (Note 2) MTBF (Years) FITS (Note 2) MTBF (Years)
BBF1B (DS1) 859 132.8 1289 88.5
BBF3 (DS1PM) 1310 87.1 1965 58.1
BBF3B (DS1PM) 1235 92.4 1853 61.6
BBG4 (DS3) 902 126.5 1353 84.3
BBG4B (DS3) 1056 108.0 1584 72.0
BBF6 (T1EXT) 1427 79.9 2141 53.3
BBF8 (HDSL) 5216 21.9 7824 14.6
BBG8B (SYSCTL) 4442 25.7 6663 17.1
BBG19 (DS3) 729 156.5 1094 104.3
22D-U (IS-3 OLIU) 2388 47.80 3582 31.87
22F (OC-3 OLIU) 2441 46.7 3662 31.2
22F-U (OC-3 OLIU) 2519 45.3 3779 30.2
22F2-U (OC-3 OLIU) 2033 56.1 3050 37.4
22G-U (OLIU) 2880 39.64 4320 26.42
22G2-U (OLIU) 2197 51.9 3296 34.6
22G3-U (OLIU) 3533 32.3 5300 21.5
22G4-U (OLIU) 1426 80.05 2139 53.37
26G2-U (OLIU) 2575 44.3 3863 29.5
28G-U (OLIU) 3860 29.6 5790 19.7
28G2-U
*
(OLIU)
* Information not available at time of document release.
29G-U (OLIU) 3264 34.9 4896 23.3
29H-U (OLIU) 3049 37.4 4574 24.9
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