Page 1
1
1
1. Product Description
This manual contains the information required to install and use the EXM-31 High
Speed Modem expansion module.
The EXM-31 is a plug-in PC-compatible internal modem for computer systems with
EXM expansion capabilities. As an internal modem, it includes an 16550-compatible
serial port, and can be set to standard PC I/O COM1-COM4. It can also be configured
to use one of eight interrupts.
The EXM-31 is based on the AT&T HSM144DC chip set. When configuring with
standard PC software, use a classification such as “Generic AT&T Class 1 Fax,
14400 Data Modem.” The EXM-31 supports the following features:
•
Data Modes
⎯
CCITT V.32bis: 14400 (TCM), 12000 (TCM), 7200 (TCM)
⎯
CCITT V.32: 9600 (TCM), 4800 (QAM)
⎯
CCITT V.22bis: 2400 (QAM)
⎯
CCITT V.22: 1200 (DPSK)
⎯
CCITT V.21: 300 (FSK)
⎯
CCITT V.23: 75/1200 (FSK)
⎯
Bell 212A: 1200 (DPSK)
⎯
Bell 103: 300 (FSK)
•
Fax Modes
⎯
CCITT V.17: 14400 (TCM), 12000 (TCM), 9600 (TCM), 7200 (TCM)
⎯
CCITT V.29: 9600 (QAM), 7200 (QAM)
⎯
CCITT V.27ter: 4800 (DPSK), 2400 (DPSK)
⎯
CCITT V.21 Channel 2: 300 (FSK)
•
V.42 error correction (LAPM and MNP)
•
V.42bis and MNP 5 data compression
•
V.42bis data compression over MNP
•
Extensive AT commend set
•
EIA/TIA 578 Class 1
Содержание EXM-31
Страница 4: ...EXM 31 Hardware Reference Page iv NOTES ...
Страница 16: ...EXM 31 Hardware Reference Page 8 2 2 NOTES ...
Страница 18: ...EXM 31 Hardware Reference Page 10 3 3 NOTES ...