A - 6
MC909X User Guide
Modem Module
Table A-3
Environmental Parameters and Technical Hardware Specifications
Item
Description
Asynchronous character
format
Up to 10 bits, including data, start, stop, and parity bits
Asynchronous data rates
Transmission rate fallback through 300 bps
Chipset
Conexant SCM
Compatible public switched
network jacks
RJ11
Dialing capability
Tone and rotary pulse
Line requirements
Public switched telephone network (PSTN) including international
connections
Operating environment
Altitude: up to 20,000 ft.
Humidity: 10% to 90% non-condensing
Operating temperature
Operating: 32
o
to 122
o
F / 0
o
to 50
o
C
Storage: -4
o
to 149
o
F / -20
o
to 65
o
C
Operating modes
Asynchronous, full duplex, automatic and manual call originate
Performance
Line speed up to 33,600 bps
HHC to modem speed (DTE speed) up to 57,600 bps
V.42bis data compression
V.42 LAPM error correction
Current consumption
100 mA active
<10 mA sleep
Pulse dialing rate
(except where prohibited
under TBR-21 rules)
10 pulses per second
Pulse dialing duty cycle: 39/61% (US) make-to-break ratio
Ringer equivalence
0.1 dBm
Standards & protocols
Bell 103, Bell 212A, Hayes AT command set, and ITU Vs. 17, 21, 22 A & B,
22bis, 23, 25bis, 27 ter, 29, 32, 32bis, 42bis
Tone detected
Dial, busy, ring back, modem answer tones.
Blind dialing based on time-out periods available for incompatible tones.
AC Adapter
9V, 2 amp regulated AC/DC adapter allows unlimited modem use. Do NOT
substitute an AC adapter; using an incorrect AC power supply causes
electrical damage to the mobile computer and voids warranty.
Summary of Contents for MC9090G - RFID - Win Mobile 5.0 624 MHz
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