EF-701M INTERFACE 3-3
Levels don’t match from
one end to the other.
1. Additional level adjustments may be
available on the modems.
2. Clear-Com/RTS jumper is set
incorrectly.
1. Always begin a setup with these set to
their nominal levels.
2. Reset jumper.
Excessive noise or poor
frequency response.
Various causes related to modems and
the network rather than to the
party-line equipment.
Know the performance parameters of the
transmission system.
Level adjustment controls
seem to work backwards.
DB-15 is not wired correctly. Check and correct wiring.
Symptom Cause Solution
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