Exercises 6 through 9 are based on the above situation.
6.
How many TS-2669/GCM's will you need to perform this test?
a.
One set is needed since the wire is looped back at station B.
b.
Two sets are required, because the set at station B is receiving
while the set at station A is sending.
c.
Three sets are needed, because a second set at station B is
needed to return the delayed signal.
d.
Four sets must be used, one set for
receiving
and
one
for
transmitting at each end of the circuit.
68
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