Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-5C RFL Electronics Inc.
October 8, 2012 2 (973) 334-3100
SPECIFICATIONS
As of the date this Instruction Data Sheet was published, the following specifications apply to the RFL
VF-5C module. Because all of RFL products undergo constant refinement and improvement, these
specifications are subject to change without notice.
Configuration: Two independent voice channels per module.
Time Slots Required:
One-Channel Operation: Requires one user-selectable 64-Kbps time slot.
Two-Channel Operation: Requires any two user-selectable 64-Kbps time slots.
Remote Interface:
All settings can be changed in remote mode using NMS, except E&M signaling type. Access to
status registers, including board and firmware revision levels, is also provided through NMS.
Signal Levels:
TLP transmit range: -23 dBm to +10 dBm nominal (+13 dBm peak)
TLP receive range: -31.5 dBm to +10 dBm nominal (+13 dBm peak)
Level control resolution: 0.5 dB
Absolute level accuracy: 0.5 dB
Input Impedance: 600 Ω nominal
Output Impedance: 600 Ω nominal
Frequency Response relative to 1004 Hz: 300 to 3000 Hz, ±0.5 dB (bidirectional)
Idle Channel Noise: Less than 21 dBrnc0
Signal-To-Distortion (1004 Hz Input, 0 to –30 dBm0): Greater than 36 dB
Peak-To-Average Ratio (PAR): Greater Than 94
Impulse Noise:
Maximum counts per 30-minute interval. (Input level -13dbm0(-29dbm) @ 1004 Hz.
Level Adjustment set to -16dBm in, +7dBm out.
Threshold Level (dBrnc) Counts/30 minutes
-61 0
Signaling Format (Digital interface):
T1 systems: RBS (Robbed-Bit Signaling) AT&T PUB 43801
E1 systems: CAS (Channel Associated Signaling)
Transmission Only
*Signaling is unavailable when using addressing feature.
E&M Signaling Types: Jumper selectable, E&M Type I, II, III and V
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