Figure 11-25 C and D.--Steps required to connect local calls through the SB-22/PT switchboard.
jack (fig. 11-25, view C). Then, signal the called party
the calling party's line to turn white. If you should have
by turning the hand-ringing generator (fig. 11-18)
to challenge the ring-off signal, remove the operator's
rapidly for approximately 10 turns. Do NOT operate the
plug from the operator's jack and insert it into the calling
RING BACK-PWR RING FWD switch to either
party's jack Ask the parties if they have finished. If no
position. Wait for the called party to answer. After the
one answers, disconnect the circuit. Remove the
called party answers, remove the operator's plug from the
operator's plug from the calling party's jack and insert
called party's jack and insert it into the operator's jack.
it into the operator's jack.
After the calling and called parties finish talking,
If the calling party disconnects before the called
both parties should ring off. The ring-off signal causes
party answers or before the conversation is completed,
11-24
