Mobile Computer Pin-Outs - Symbol MC9090-G RFID User Manual Supplement

A - 4 MC9090-G RFID User Guide Suppliment
Environmental Parameters and Technical Hardware Specifications (Continued)
Table A-3
Item
Performance
Current consumption
Pulse dialing rate
(except where prohibited
under TBR-21 rules)
Ringer equivalence
Standards & protocols
Tone detected
AC Adapter

Mobile Computer Pin-Outs

17
1
Pin Locations
Figure A-1
Pin-Outs
Table A-4
PIN Number
1
2
3
4
5
6
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
100 mA active
<10 mA sleep
10 pulses per second
Pulse dialing duty cycle: 39/61% (US) make-to-break ratio
0.1 dBm
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
Dial, busy, ring back, modem answer tones.
Blind dialing based on time-out periods available for incompatible tones.
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.
9
8
Signal Name
USB_GND USB
USB_D_PLUS USB
TXD RS232C
RXD RS232C
DCD RS232C
RTS RS232C
Description
Function