Installing the Stratum 3 Clock
Task List: Install the Stratum 3 clock
SI Installation and Upgrades 697
June 2004
The H600-307 cable connects the system end of the “Y” cable to a DS1 circuit pack (shown as
TN464GP/2464, TN722, or TN767). The B25A cable connects the clock end of the “Y” cable to the
yellow field on the MDF.
Figure 283: Typical Connections to Stratum 3 Clock
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Figure notes
1 SCC1 Cabinet (PPN)
2 “A” Position
3 “B” Position
4 H600-307 Cable
5 H600-247 G2 Cable
6 1300 Feet (396 m)
7 B25A (Male-to-Female) Cable
8 Channel Service Unit (Secondary)
9 Channel Service Unit (Primary)
10 Stratum 3 Clock
11 Main Distribution Frame (MDF)
12 DS1/E1 Interface Circuit Pack
13 DS1 Tie Trunk Circuit Pack
14 DS1 Interface Circuit Pack
15 Tone-Clock Circuit Pack
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