Bell System Practices TOUCH-A-MATIC 2872A1M Identification, Installation, Connections, Operation, And Maintenance page 42

SECTION 503-603-101
$TABLE L 4 I) TABLE M11
CONNECTIONS FOR CONVERSION CONVERSION TO BRIDGED
TO SINGLE LINE SERVICE WITH RINGING ON FIRST LINE WITH
BRIDGED RINGING 6-BUTTON KEY SERVICE
LEAD CONNECT LEAD CONNECT
DESIG. COLOR FROM TO DESIG. COLOR FROM TO
Tip W-BL (1PU-3)* TB1-8 Tip W-BL (1PU-3)* Net. K
Ring BL-W (1PU-6)* TBl-16 Ring BL-W (1PU-6)* TBI-13
B1 Y-S Net. K * B1 Y-S Net. K *
I
Strap BK Net. K _ _-B-35 R1 S-Y TBI-13 *
R1 S-Y TBI-13 *
• Insulated and stored.
Strap BK TBI-13 TBl-16
A-Lead W-O (1PU-1)* TBI-1
Hold Y-BL TB1-3 *
LRS-2 BR PSB-14 *
• Insulated and stored.
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