AT&T 75 - Page 253

110-TYPE HARDWARE
CAPACITY WHITE FIELD = 384 3-PAIR CIRCUITS
CAPACITY BLUE FIELD = 288 4-PAIR CIRCUITS OR
384 3-PAIR CIRCUITS
CAPACITY PURPLE FIELD = 384 3-PAIR CIRCUITS
Figure 3-22. Distribution Field Arrangement—Eight 300-Pair Terminal Blocks
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