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 5 (973)
334-3100
MA-301B The MA-301B provides pluggable terminal block connections for a single VF-5C
module. Audio and signaling connections are available at the terminal block. No
additional SWC or fast transient protection is provided on this I/O. Refer to Figure
4 for panel view and terminal connections.
MA-301D The MA-301D provides pluggable terminal block connections for a single VF-5C
module. Tip and Ring test points are available for the inputs and outputs of
channels 1 and 2. Audio and signaling connections are available at the terminal
block. No additional SWC or fast transient protection is provided on this I/O. Refer
to Figure 5 for panel view and terminal connections.
MA-322 The MA-322 accepts a 50-pin Telco connector (Amphenol 57-30500 or equivalent,
as shown in Figure 6.) One MA-322 Module Adapter is used for each RFL VF-5C
module, and occupies two rear slots in the IMUX 2000 chassis. The MA-322 is used
to convert both of the 4-wire outputs (Channel
1 and 2) from 4-wi
re to 2-wire. The
impedance is 600 Ohms, the frequency response is ±2dB from 200Hz to 3000Hz
,
and the transformer loss (hybrid loss) is ≅ 4.0dB. Refer to Appli
cation Note No.14
in the IMUX 2000 Instruction Manual for additional information on using this I/O.
MA-324 The MA-324 accepts a 50-pin Telco connector (Amphenol 57-30500 or equivalent,
as shown in Figure 6.) One MA-324 Module Adapter is used for each RFL VF-5C
module and occupies two rear slots in the IMUX 2000 chassis. The MA-324 is used
to convert one of the 4-wire outputs (Channel 1) from 4-wire to 2-wire. The other
4-wire output (Channel 2) remains 4-wi
re. The impedance is 600 Ohms, the
frequency response is ±2dB from 200Hz to 3000Hz, and the transformer loss
(hyb
rid loss) is ≅ 4.0dB. Refer to Application Note No.14 in the IMUX 2000
Instruction Manual for additional information on using this I/O.
MA-350
The MA-350 is a special adapter capable of accepting up to 12 VF-5C voice
modules. The MA-350 occupies 12 rear slots in the IMUX 2000 chassis
and can handle a maximum of 24 voice channels. Connections are made to four 50-
pin Te
lco connectors (Amphenol 57-30500) on the rear of the adapter. See Figure 7
and 8.
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