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 6 (973)
334-3100
Model Voice
Numbe
r Connections Application Figure
MA-301 50-pin Telco Used with multiple VF-15 1 & 2
Connector or VF-16 modules
MA-301C 50-pin Telco Used with multiple VF-15 1 & 2
Connector or VF-16 modules
MA-303 RJ-11 Jack Used with all VF-16B modules 3
MA-303B Removable Used with all VF-16B modules 4
terminal block
MA-304 RJ-11 Jack Used with all VF-16B modules 3
(MA-304 ring generator will be
automatically disabled)
MA-304B Removable Used with all VF-16B modules 4
terminal block (MA-304 ring generator will be
automatically disabled)
MA-302 RJ-11 Jack Used with all VF-16B modules 5
terminal block Requires external ring generator
MA-302A RJ-11 Jack (two) Used with all VF-16B modules 5
terminal block Requires external ring generator
The MA-301 accepts a 50-pin Telco connector (Amphenol 57-30500 or equivalent, as shown
in Figure 1.) One MA-301 Module Adapter can be used to connect up to three RFL VF-15
or RFL VF-16 modules, for a total of up to six voice channels. If you will be using more than
one module with the MA-301, they must be inserted into adjacent slots in the multiplexer.
Ribbon cables are provided with the MA-301 to make connections to it from the second and
third module locations. (See Figure 2.)
The MA-301C is similar to the MA-301, except it has different connector pinouts.
The MA-303 Module Adapter is designed for use with all RFL VF-16B station-end
modules. Each MA-303 provides two RJ-11 jacks for connection to the voice circuits for
channel 1 and channel 2, and two bantam jacks (Line and Drop) for each channel. (See
Figure 3.) Each Line jack provides access to the equipment from the line side, and each
Drop jack provides access to the line from the
equipment side.
The MA-303B is similar to the MA-303, except it has removable terminal blocks in place
of the RJ-11 connectors for the voice connection. (See Figure 4.)
The MA-304 is similar to the MA-303, but it has a built-in ring generator. It can be used
with all RFL VF-16B modules, but the MA-304 ring generator will be automatically
disabled.
The MA-304B is similar to the MA-304, except it has removable terminal blocks in place
of the RJ-11 connectors for the voice connection.
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