Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-16B RFL Electronics Inc.
January 17, 2007 2 (973) 334-3100
o One-channel or two-channel operation
o Automatic Ring Down (ARD)
o
Individual channel enable/disable
o Rem
ote control configuration and status reporting
o Independent selectable transmit/receive direction for each channel
o Extended range input/output level compensation
o Independent selectable time slot assignment for each channel
o Variable signaling delay
o Ring voltage level*
o
Ring voltage dc offset*
o Loop current level
o Line Fault Detection
* Not used with Module Adapter MA-302 and MA-302A (external ring generator).
SPECIFICATIONS
As of the date this Instruction Data Sheet was published, the following specifications apply to all RFL
VF-16B Dual-Channel Foreign Exchange Station End Voice Modules. 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:
One-Channel Operation: Requires one user-selectable 64-Kbps time slot.
Two-Channel Operation: Requires any two user-selectable 64-Kbps time slots.
Signal Levels:
Nominal System Gain: 0 dB
Transmit and Receive Level Adjust: +/- 9.5 dBm
Maximum Signal Level (analog or digital): 3.14 dBm
Frequency Response:
300 to 3000 Hz: +0.3 to -0.6 dB
3000 to 3300 Hz: +0.0 to -1.5 dB
Idle Channel Noise: Less than 15 dBrnco
Impulse Noise Threshold Level (Maximum Counts Per 30-minute Interval):
41 dBrnco: 10.0 counts
51 dBrnco: 1.0 count
58 dBrnco: 0.1 counts
Signal-To-Distortion (1004 Hz to1020 Hz input):
0 to -30 dBm0: Greater than 35.5 dB
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