User's Manual

Span Lines – Interface and Isolation – continued
PRELIMINARY
SC 4812ETL BTS Optimization/ATP
08/15/2000
3-6
Alarm and Span Line Cable
Pin/Signal Information
See Figure 3-2 and refer to Table 3-1 for the physical location and pin
call–out information for the 50–pin punch block.
Figure 3-2: 50 Pair Punch Block
TOP VIEW OF PUNCH BLOCK
STRAIN RELIEVE INCOMING
CABLE TO BRACKET WITH
TIE WRAPS
2T
1T 1R 2T 2R
12
1R
2R
LEGEND
1T = PAIR 1 – TIP
1R = PAIR 1 –RING
” ”
” ”
” ”
Cabinet Power Entry
Compartment
50R
50T
49R
49T
1T
TO SPAN
CONNECTOR
TO ALARMS
CONNECTOR
TO MODEM
CONNECTOR
TO RGD/RGPS
CONNECTOR
SC4812ETL0010–1
3