Figure 5-28.--The TA-975/WTC-2(V) sound-powered telephone Set, unit 3.
Unit 5 is a standard H-200/U sound-powered
telephone headset-chestset. Unit 5 is used with unit 4
and may also be connected to a terminal station
equipped with a jack.
Unit 6 (fig. 5-29) provides a means of connecting
an extension visual signal device to ship's power in areas
where such a device is required. Unit 6 is comprised of
a relay assembly mounted inside an enclosure assembly.
The dc voltage from a calling terminal station activates
the relay, which connects the 115-volt power circuits to
Figure 5-29.--The 6J-3523/WTC-2(V) distribution box, unit 6.
as many as three extension visual signal devices.