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 2 (973)
334-3100
SPECIFICATIONS
As of the date this Instruction Data Sheet was published, the following specifications apply to the RFL
VF-15C Dual-Channel Foreign Exchange Office End (FXO) Voice Module. Because all of RFL
products undergo constant improvement and refinement, these specifications are subject to change
without notice.
Configuration: One or two independent voice channels per module.
Time Slots:
One-Channel operation: Requires one user-selectable 64-Kbps time slot.
Two-Channel operation: Requires any two adjacent 64-Kbps time slots.
Signal Levels:
Input: -26 dBm to 0 dBm
Output: -26 dBm to 0 dBm
Frequency Response:
200 Hz to 300 Hz: +0.5 dBm to –2.0 dBm.
300 Hz to 3000 Hz: +0.5 dBm to –0.5 dBm.
3000 Hz to 3300 Hz: +0.5 dBm to –1.0 dBm.
Idle Channel Noise: Less than 23 dBrnC0.
Impulse Noise:
Maximum counts per 30-Minute Interval. (Input data level of -36 dBm @ 1004 Hz.
Level adjustments set for 0 dBm IN and 0 dBm OUT. )
38 dBrnC: 10 .0 Counts
44 dBrnC: 1.0 Count
50 dBrnC: 0.1 Counts
Phase Hits +10
o
: 0 Counts
Gain Hits +
3 dB: 0 Counts
Drop Outs -12 dB: 0 Counts
Signal–to-Noise Ratio: Greater than 33 dB.
Signal–to-Distortion (1004 Hz input):
0 dBmO to –30 dBmO: Greater than 33 dB.
-40 dBmO: Greater than 27 dB.
-45 dBmO: Greater than 22 dB.
Near-end and Far-end Crosstalk (0 dBm0 @ 1004 Hz tone applied to any channel):
Less than –70 dBm0 @ 1004 Hz for adjacent channels.
Channel Differential Delay/Envelope Delay (900 Hz to 2800 Hz @ 1804 Hz ref.):
Less than 200μS.
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