Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
PCM
CODEC
PART
OF
LOGIC
ARRAY
DIP
SWITCH
SW6
DIP
SWITCH
SW1
I/O
TRANS-
FORMER
TRANS-
FORMER
BUFFER
BUFFER
DIP
SWITCH
TRANSMIT
ATTENUATO
RECEIVE
ATTENUATOR
DIP
SWITCH
SW4
M LEAD
MB LEAD
E LEAD
EB LEAD
+7 dBm
-16 dBm
M-LEAD
DETECTOR
E-LEAD
DRIVER
JUMPER J1
M
E
TX
RX
SRVC
TO/
FROM
IMUX
2000
BUS A
TO/
FROM
IMUX
2000
BUS B
BUS
SELECT
AND
DRIVER
LOGIC
PART OF
LOGIC
ARRAY
PART OF
LOGIC
ARRAY
SIGNAL
CONTROL
Figure 11. Simplified block diagram, RFL VF-6I Four Wire Orderwire Voice Frequency Module
RFL VF-6I RFL Electronics Inc.
December 15, 2011 19 (973) 334-3100