Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-15C RFL Electronics Inc.
August 7, 2012 17 (973) 334-3100
LOOP START CIRCUITS
Loop start circuits are normally used where the circuit operates a telephone controlled by a person.
Examples of this include an Off-Premise Extension (OPX) circuit from a PBX, and some Foreign
Exchange (FX) circuits. Loop start is the most commonly used type of circuit.
Note: The VF-15C Voice Module will not support ground start.
ALERTS/ALARMS
The RFL VF-15C module reports no module level ALERT or ALARM signals to the shelf Common
Module.