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.