Encoding Monitor
Operations Manual
Document # 1050-1081
Rev. J
2007 Arbitron Inc
17
8.
ELECTRICAL SPECIFICATIONS
8.1.
A
NALOG
I
NPUT
S
PECIFICATIONS
8.1.1.
Input Impedance User Selectable
600
Ω
, balanced terminated (“600”) or
12k
Ω
, balanced bridging (“HI”)
8.1.2.
Analog Input Level
Average Minimum: 0dBu over 20Hz-20kHz
Average Nominal:
+8dBu over 20Hz-20kHz
Absolute Maximum: +20dBu over 20Hz-20kHz
8.1.3.
Common Mode Rejection Ratio
Better than –70dB @60Hz
8.2.
A
LARM
(
RELAY
)
S
PECIFICATIONS
8.2.1.
Absolute Maximum Voltage Input
24VDC or 24VAC
8.2.2.
Absolute Maximum Current Input
300 mA
8.3.
S
TATUS
(RS-232)
S
PECIFICATIONS
8.3.1.
Standard
TIA/EIA-232-F