Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL Electronics Inc.
I N S T R U C T I O N D A T A
RFL VF-5C
Dual-Channel Four-Wire E&M Voice Module For
RFL IMUX 2000 Intelligent T1 And E1 Multiplexers
DESCRIPTION
The RFL VF-5C is a dual-channel four-wire E&M voice-frequency module, designed for use in IMUX
2000 T1 and E1 multiplexers. It accepts two voice channels as input and digitizes them; each channel
occupies one 64-Kbps time slot. The RFL VF-5C can be used in both terminal and drop/insert IMUX
2000 multiplexers.
The RFL VF-5C provides high-quality voice characteristics, compatible with AT&T Publication 43801.
It allows E&M signaling of Type I, II, III and V, with front-panel busy indicators. It has extended-range
input and output signal level settings to facilitate interfaces in most four-wire applications.
The VF-5C is remote-controllable when installed in an RFL IMUX 2000 remote-controllable shelf.
User-adjustable switches and jumpers allow the configuration of the following parameters:
o One-channel or two-channel operation.
o Selectable Type I, II, III or V signaling.
o Individual channel enable/disable.
o Signaling on or off selection.
o FXS/FXO signaling modes.
o Busy out settings.
o Independent selectable transmit/receive direction for each channel.
o Extended range input/output level settings
o Independent time slot assignment for each channel
o Three loopback modes (Local, Remote, 2713 Hz detect).
o Remote control configuration and status reporting.
o Addressing enable/disable
o Tx and Rx addresses for each channel
o 1kHz test tone generation
RFL VF-5C RFL Electronics Inc.
October 8, 2012 1 (973)
334-3100
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