Equinox Systems Megaport SS Serial I/O Board Series, Hardware Installation & Reference Manual, Page: 29 / 34

Port to Device Cabling 3-11
Punch Blocks
Figure 3-12. Modular wall outlet wiring
should be wired as shown in Figure 3-12.
Figure 3-13 shows the pinouts for the Equinox part number 210044
punch block when connected to a Megaport SS board.
The punch block has two 50-pin PBX connectors and connects 24
ports. Also, the punch block has an internal common ground wired to
the center two rows of pins. Any of these pins may be used for
connecting terminal ground to the port.
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Punch blocks provide a quick and inexpensive solution to wiring
around buildings. They may be concealed in wiring closets and
individual wires run to each location where a terminal or port is to be
connected. Punch blocks may be used with modular wall outlets and
wiring accessories.
Figure 3-6 illustrates connecting the Megaport SS board to punch
blocks using modular adaptors and modular wall outlets. Wall outlets