Stratum 3 clock
555-233-116
166 Issue 4 October 2002
Figure 38. Typical connections to Stratum 3 clock
The H600-307 cable connects the system end of the Y-cable to a DS1 circuit pack
(shown as TN464 or TN767E). The B25A cable connects the clock end of the
Y-cable to the yellow field cross-connect.
1. PPN ca binet
2. “A” position
3. “B” position
4. H600-30 7 cable
5. H600- 274, G2 cable
6. 1300 ft. (39 7 m)
7. B25A m ale to female cables
8. Seconda ry CSU
9. Primary CSU
10. Stratum 3 Clock
11. MD C
12. TN464F DS 1/E1 interface circuit pack
13. TN767E D S1 circuit pack
14. TN780 tone- clock circuit pack
cydfst3 KLC
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