AT&T 2500 series Benutzerhandbuch
1-22
MULTIPLEXED COMMUNICATION
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Table 1-7. Data-Module Capabilities
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Data
DMI User
Data
Sync Async Bit
Protocol
Handshake
Comments
Module Mode
Rate
Invert
Packaging
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7400 series
2
to 19.2 kbps
No
Yes
Yes
HDLC
Mode 2
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DTDM
2
to 19.2 kbps
Yes
Yes
Yes
HDLC
Mode 2
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MPDM 0 64
kbps Yes
No
Yes No
Mode
2
1
56 kbps
Yes
No
No
DDS
Mode 2
NOTE 1
2
to 19.2 kbps
Yes
Yes
Yes
HDLC
Mode 2
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MPDM/M1* 0
64
kbps
Yes No
Yes
No
None
NOTE
2
1 56
kbps Yes
No
No
DDS
None
NOTE
2
2
to 19.2 kbps
Yes
Yes
Yes
HDLC
None
NOTE 2
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3270 A
2
to 9.6 kbps
Yes
Yes
Yes
HDLC
Mode 3/2 adapt NOTE 3
3
64 kbps
Yes
No
Yes
LAPD/X.25 data phase Mode 3/2 adapt NOTE 4
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3270 T
3
64 kbps
Yes
No
Yes
LAPD/X.25 data phase Mode 3
NOTE 4
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PC/PBX
2
to 19.2 kbps
No
Yes
Yes
HDLC
Mode 3/2 adapt NOTE 5
Connection
or Mode 2
with ASCII
3
64 kbps
No
Yes
Yes
LAPD/X.25 data phase Mode 3/2 adapt
terminal
emulation
emulation
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PC/PBX
3
64 kbps
Yes
No
Yes
LAPD/X.25 data phase Mode 3
NOTE 5
w/3270
emulation
emulation
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7500 series
0
64 kbps
Yes
No
No
None
None
BRI sets
1
56 kbps
Yes
No
No
DDS
None
& ADM-T
2
to 19.2 kbps
Yes
Yes
Yes
HDLC
Mode 3/2 adapt NOTE 6
3
64 kbps
Yes
No
Yes
LAPD/X.25 data phase Mode 3/2 adapt NOTES 7, 8
3/2
64 kbps
Yes
No
Yes
LAPD/X.25 data phase Mode 3/2 adapt NOTES 7, 8
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PC/ISDN
3
64 or 56 kbps Yes
No
Yes or No LAPD/X.25 data phase Mode 3
NOTE 9
Platform (option)
with 3270
emulation
with 3270
emulation
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(Continued)