AT&T 7500 series, 7100 series, 2500 series, 7200 series, 7400 series, 7300 series manual ⎜ Dmi

Models: 7400 series 2500 series 7200 series 7500 series 7300 series 7100 series

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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

7400 series

2

to 19.2 kbps

No

Yes

Yes

HDLC

Mode 2

 

 

 

 

2

 

DTDM

 

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

 

 

 

 

 

 

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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3

64 kbps

3270 T

 

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

 

 

 

 

 

 

 

 

PC/PBX

 

3

64 kbps

Yes

No

Yes

LAPD/X.25 data phase

Mode 3

NOTE 5

w/3270

 

 

 

emulation

 

 

 

 

 

 

 

 

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

 

 

 

 

 

(Continued)

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AT&T 7500 series, 7100 series, 2500 series, 7200 series, 7400 series, 7300 series manual ⎜ Dmi