Figure 1-9. Four-wire identification.
Figure 1-10. Two-wire identification.
g. The ON position of the ON-OFF LED switch will allow the LED RING indicator lamp to
glow when a ringing signal is received; OFF will disconnect the lamp. (See Figure 1-11.)
h. The RING VOLUME control controls the volume of the tone ringer. (See Figure 1-11.)
i. Tone ringer. Gives off an audible signal when a ringing signal is received. Located on the
right side of the telephone set.