User's Manual

Span Lines – Interface and Isolation – continued
08/01/2001
3-17
1X SCt4812ET Lite BTS Optimization/ATP
PRELIMINARY
Alarm and Span Line Cable
Pin/Signal Information
See Figure 3-9 and refer to Table 3-5 for the physical location and
punchdown location information for the 50–pair punchblock.
Figure 3-9: 50–Pair Punchblock
TOP VIEW OF PUNCHBLOCK
STRAIN RELIEVE INCOMING
CABLE TO BRACKET WITH
TIE WRAPS
2T
1T
1R
2T
2R
1
2
1R
2R
LEGEND
1T = PAIR 1 – TIP
1R = PAIR 1 –RING
” ”
” ”
” ”
Frame Power Entry
Compartment
50R
50T
49R
49T
1T
TO SPAN I/O
CONNECTOR
TO ALARM
CONNECTOR
TO MODEM
CONNECTOR
TO RGD/RGPS
CONNECTOR
SC4812ETL0010–1
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