Specifications

16
MINIATURE LOCAL MUX-12
of one unit should be connected to the Receive
Pair of the other unit, and vice versa. All LEDs
should be “OFF” (with the exception of
“POWER”) indicating normal operation.
3.5 Electrical Installation
3.5.1 AC P OWER
The Mux is powered by an external power supply of 9 to
12 VDC capable of supplying at least 300 mA. A
miniature wall-mount power supply can be used to
provide the required power. The power supply is
connected to the Mux by a cable ending with a
miniature 2 mm DC plug (tip positive, sleeve ground).
3.5.2 S UB -C HANNELS
Twelve RJ-45 8-pin jacks located on the top panel enable
end users to be connected to the unit. Detailed
information about the signals present at this jack and
pin configuration are given in Table 3-2 and Figure 3-2.