Information Technology Reference
In-Depth Information
FIGURE 7.4
The original workhorse of telecommunications wiring termination is the type 66 connecting
block. (Courtesy of The Siemon Company.)
each row, while others have four totally independent contacts in each row, so be
careful what you use.
Connectorized 66 blocks with 50-pin connectors are also available, as shown
in Fig. 7.6. These blocks are usually manufactured with clips and may have a wire-
wrap post protruding from the bottom of the clip.
When the assembly is manufactured, a wire is wire-wrapped to each post on
each clip with the other end connected to a 50-pin “telco” connector mounted on the
side of the bracket. The connector may be either male or female. The contact pins of
