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AT&T DEFINITY 7200 series User Manual

Page 12

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CONTENTS

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Figure 8-9. Common ISN Configuration

8-18

Figure 8-10. LAN-to-LAN Connections Through the Switch

8-19

Figure 8-11. X.25/StarGROUP Connectivity

8-20

Figure 8-12. LAN/SNA Connectivity

8-20

Figure 8-13.

ACCUNET

Packet Service

8-22

Figure 8-14. Public Switched Data Network with Robbed Bit Facilities (Mode 1)

8-23

Figure 8-15. Domestic Public Switched Data Network with ISDN-PRI Facilities (Modes 0, 1, 2,

3)

8-25

Figure 8-16. International Public Switched Data Network with ISDN-PRI Facilities (Modes 0,

1)

8-25

Figure 8-17. Private Data Network with Robbed Bit Trunks (Mode 1)

8-26

Figure 8-18. Private Data Network with Robbed Bit Facilities and D4 Connection at Far End

(Mode 1)

8-28

Figure 8-19. Private Data Network with 24

th

Channel or ISDN-PRI Signaling (Modes 0, 1, 2,

3)

8-28

Figure 8-20. Private Data Network with 24

th

Channel or ISDN-PRI Signaling (Modes 0, 1, 2,

3)

8-28

Figure 8-21. Private Data Network with Robbed Bit, Fractional T1 Facilities (Mode 1)

8-30

Figure 8-22. Telemarketing Gateway Configuration

8-32

Figure 9-1. Dedicated/Permanent Switched Connections — Configurations (Sheet 1-or-

2)

9-3

Figure 9-2. SNA-Node to SNA-Node Connection

9-5

Figure 9-3. A Possible File-Transfer Configuration

9-6

Figure 9-4. A Possible Teleconferencing Configuration

9-7

Figure 9-5. A Possible Imaging Configuration

9-8

Figure 9-6. A Possible FAX Configuration

9-8

Figure B-1. Options for Synchronization

B-2

Figure B-2. Synchronization Hierarchy

B-4

Figure B-3. Stratum Levels for the Synchronization Hierarchy

B-7

Figure B-4. SCS (Generic 2)

B-8

Figure B-5. Duplicated Synchronization Architecture and Cross Coupling

B-9

Figure B-6. Tone-Clock Synchronizer (Nonduplicated, Generic 1)

B-12

Figure B-7. Public-Network External Clock

B-15

Figure B-8. External Clock

B-16

Figure B-9. External-Clock Interface

B-17

Figure B-10. External-Clock Duplicated Synchronization

B-17