Powering A Telephone Test Set - Pro's Kit MT-7068 User Manual

Powering a Telephone Test Set

Caution
When powering the telephone test sets, the toner needs more power consumption to generate the device.
9V alkaline battery (NEDA 1604A or IEC6LR61) is recommended for this operation.
The Toner can supply 6V into a 600Ù circuit to power telephone test sets (Hand set/Butt set) when Central
Office battery power is not present. (Fig 10)
1. Connect the Toner to the voice circuit as shown in Figure 10.
2. Turn the Toner's rotary switch to
3. The LED indicator
test sets (Hand set/Butt set).
Figure 10 Powering a Telephone Test Set
lights green; the Toner is supplying 6V into a 600Ù circuit to power telephone
Green
Red test lead (+ polarity) (DC6V)
Black test lead (- polarity)