DYNALEC 100/150-LINE SWITCHBOARD
Locate a station desiring to make a call.
Respond to dial pulses and extend the calling
The Dynalec 100/150-line switchboard (fig. 6-18)
is a combination electrical/ectromechanical switching
station to the called station.
system. The equipment consists of a 100-line or a
Ring the called station, selecting from among
150-line switchboard and an 8-line manually operated
the stations on a party line, if necessary.
attendant's cabinet. The system is fully automatic ex-
cept for shore access when the ship is in port, which
Supply various tones, such as dial tone, busy
requires the use of the attendant's cabinet. The switch-
tone, ring-back tone, and howler tone, as re-
ing mechanisms automatically perform the following
Figure 6-18.--Dynalec 100/150-line automatic dial telephone switchboard.