Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-6I RFL Electronics Inc.
December 15, 2011 2 (973)
334-3100
SPECIFICATIONS
As of the date this Instruction Data Sheet was published, the following specifications apply to the RFL
VF-6I module. Because all RFL products undergo constant refinement and improvement, these
specifications are subject to change without notice.
Configuration: One voice-frequency channel.
Frequency response: 300 to 3000 Hz (+/- 0.3 dB)
Input Level: -19.0 dBm to +5.0 dBm (-16 dBm nominal), adjustable in 0.1-dB steps.
Output Level: -14.0 dBm to +10.0 dBm (+7 dBm nominal), adjustable in 0.1-dB steps.
Input Impedance: 600 ohms.
Output Impedance: 600 ohms.
Idle Channel Noise: Less than 23 dBrnc0.
Signal-To-Noise: Greater than 38 dB.
Signaling: Selectable signaling control, E & M Type I, II, or III or transmission only (TO) mode.
Signaling control input:
Busy: ground
Idle: open (pulled to Vcc through 4.7KΩ)
Hook-switch control input:
On-hook: open (pulled to Vcc through 4.7KΩ)
Off-hook: ground
M-Lead Input:
Input Impedance: Greater than 20K ohms to ground
Busy: -20 to -60 Volts
Idle: Open or Ground
E-Lead Output:
Busy: Less than 50 ohms to ground
Idle: Open
Time Slots Required:
One-Channel Operation: One selectable time slot.
Two-Channel Operation: Two adjacent selectable time slots.
Remote Interface: Compatible with SCL remote command language; allows module configuration
and status access.
Operating Temperature: -20
o
C to +55
o
C (-4
o
F to +131
o
F).
Relative Humidity: 0 to 90 %, non-condensing.
Input Power: 1.0 watt nominal.
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