Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-8A RFL Electronics Inc.
August 6, 2010 3 (973)
334-3100
SPECIFICATIONS - continued
I/O Interface: Through MA-306 module adapter
Ringing Voltage: Local (MA-306): 86 Vrms, 20 Hz
External: 50-90 Vrms, 20 to 30 Hz
Station ID: 3-digit (000 to 899)
Power Requirements: VF-8A with MA-306:
Idle Off Hook Ringing
+5V 68mA 70mA 90mA
+15V 30mA 34mA 32mA
-15V 25mA 26mA 25mA
-48V 1mA 33mA 1mA
Operating Temperature: -20
o
C to +55
o
C (-4
o
F to +131
o
F).
Humidity: 0% to 90 %, non-condensing.
RFI/EMI: C.37.90.2
MTBF: Greater than 500,000 hours per Bellcore TR-332