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capability. Most IBM compatibles are capable of 19,200 bps
under DOS and Windows. Operating at higher speeds under
Windows requires a faster CPU (386/486 or better).
Modem experiences bursts of errors or suddenly
disconnects while communicating with a remote
modem.
1. Make sure Call Waiting is turned off.
2. Make sure the phone line does not exhibit excess noise.
Modem exhibits poor voice record or playback.
1. Make sure the correct modem type is selected in the Voice/
FAX software. Use "Sierra" or similar selection. Do not
select "Rockwell or Rockwell ICS" configuration.
Section Seven - Specifications
CCITT/Bell Std.
MNP protocols:
Host Interface:
COM ports:
IRQ lines:
FAX Group:
FAX Command set: EIA/TIA-PN2388 Service Class 2
Voice Command set: Sierra
Escape Detection:
Transmit level:
Receiver Sensitivity: -43 dBm
UART:
Data format:
Power:
Temperature:
Speakerphone:
Plug and Play
Section Eight - Support and Service
In the unlikely event you experience difficulty in the use of this
product, we suggest you: (1) consult the Troubleshooting section
of this guide and (2) consult with your dealer. To obtain service for
this product, follow the Return Merchandise Authorization Proce-
dure as outlined in the Warranty card.
V.42bis, V.42, V.32bis, V.32, V.29,
V.27ter, V.22bis, V.22, V.21, V.17,
Bell212/103
MNP 5, 4, 3, 2
16-bit PC bus
1, 2, 3, 4
3, 4, 5, 7, 9, 10, 11, 12
Group III Send/Receive Standard
TIES Escape Sequence
-11 dBm +/- 1 dBm
16550 compatible
300-57600 bps
0.75 W
0 to 55 degrees C (Operating); -20 to 80
degrees C (Non-operating)
Full-duplex with DSP echo cancellation
ISA spec. V1.0a
16
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