ROC364 Instruction Manual
4-23 Communications Cards Rev Jun/05
Dial-Up Modem Specifications
OPERATION
Mode: Full-duplex 2-wire for Dial-up PSTN (Bell
212 compatible).
Data Rate: Up to 14.4K bps asynchronous
(software selectable).
Parity: None, odd, or even (software selectable).
Format: 8, 9, 10, or 11 bits, including start, stop,
and parity (software selectable).
Modulation: V.32 and V.32 bis, V.21 and 103,
binary phase-coherent FSK, V.22 and 212A, and
V.22 bis.
Transmit Amplitude: –1 dB typical.
Telephone Line Impedance: 600 Ω typical.
RTS-to-Transmission Delay: Configurable in 10
ms increments.
Receiver Sensitivity: Off-to-On threshold: –45
dBm. On-to-Off threshold: –48 dBm.
Maximum Output Level: 0 dBm nominal into
600 Ω.
LED Indicators: TXD, RXD, DTR, DSR, RI, and
OH.
Surge Protection: Conforms to FCC part 68 and
DOC.
Surge Isolation: 1000 V ac and 1500 V peak.
Certification: FCC Part 68 approved.
Connector: RJ11 type.
POWER REQUIREMENTS
4.5 to 5.5 V dc, 0.4 W maximum (supplied by
ROC).
ENVIRONMENTAL
Operating Temperature: –40 to 75ºC
(–40 to 167ºF).
Storage Temperature: –50 to 85ºC
(–58 to 185ºF).
Operating Humidity: To 95% relative, non-
condensing.
DIMENSIONS
25 mm H by 103 mm W by 135 mm L (1 in. H by
4.05 in. W by 5.3 in. L).
WEIGHT
130 g (4.6 oz) typical.
FCC INFORMATION
Registration Number: DWE-25983-M5-E.
Ringer Equivalent: 1.0B
APPROVALS
Approved by CSA for hazardous locations Class I,
Division 2, Groups A, B, C, and D.
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