66-TYPE HARDWARE
66-TYPE HARDWARE DESCRIPTION
The 66-type hardware consists of non-connectorized or connectorized connecting blocks. The
66-type hardware can be mounted individually or in a multiple arrangement. All of the 66-
type hardware used with system uses the same basic connecting block—66M1-50.
66M1-50 Connecting Block
The 66M1-50 (Figure 4-2) connecting block is a plastic connecting block containing quick
connect terminals for terminating 20 to 24 gauge wire. The block has 50 rows of terminals
with four terminals in each row. The first two and last two terminals of each row are
connected together and each row is split between the second and third terminals (Figure 4-
2). The terminals allow for termination of 25-pair cables and jumper wires. The terminals
slice the insulation of the wires when the wires are punched onto the terminals. The
standard termination for a 25-pair cable onto a 66M1-50 connecting block is shown in Table
4-A.
4-2
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