Table of Contents

List of Figures

Figure

Page

1-1

Model 3920Plus Standalone Singleport and Multiport Modems

. 1-3

1-2

Model 3921Plus Singleport Modem

. 1-5

1-3

Model 3921Plus Multiport Modem

. 1-6

2-1

Model 3920Plus Multiport Back Panel and Power Supply

. 2-4

2-2

Modem's Back Connector Plates

. 2-7

2-3

Installing the Model 3921Plus Modems

. 2-8

2-4

Circuit Pack Lock

. 2-10

3-1

Model 3920Plus DCP

. 3-3

3-2

Optional SDCP and Model 3921Plus Faceplate

. 3-4

3-3

392xPlus LCD and Keypad

. 3-7

3-4

Local Analog Loopback

. 3-57

3-5

Remote Digital Loopback

. 3-58

3-6

Local Digital Loopback

. 3-60

3-7

Pattern Test and Local Analog Loopback Test

. 3-61

3-8

Pattern Test and Digital Loopback Test

. 3-62

3-9

End-to-End Pattern Test

. 3-62

3-10

Dial Backup

. 3-68

4-1

DCP Configuration Process

. 4-2

C-1

VF Pin Orientation

. C-3

C-2

Wiring Diagram Ð ªYº Cable for External Telephone

. C-4

C-3

Wiring Diagram Ð 8-Position to 6-Position Crossover Cable

. C-5

C-4

Wiring Diagram Ð 25-Pin Crossover Cable

. C-6

G-1

Sample Configuration Ð Point-to-Point

. G-2

G-2

Sample Configuration Ð Extended Point-to-Point

. G-4

G-3

Sample Configuration Ð Extended Multipoint

. G-6

G-4

Sample Configuration Ð Point-to-Point with Automatic Dial Backup

. G-8

G-5

Sample Configuration Ð Point-to-Point with Network Management

. G-10

G-6

Sample Configuration Ð Carrier with Network Management

. G-12

G-7 Sample Configuration Ð Extended Diagnostics

. G-14

G-8 Sample Configuration Ð Digital Bridge

. G-16

G-9 Sample Configuration Ð Point-to-Point MSD

. G-18

G-10 Sample Configuration Ð Multipoint MSD

. G-20

3920-A2-GN31-30

November 1996

iii

Page 7
Image 7
Paradyne 392xPLUS operation manual List of Figures, Model 3920 Plus Multiport Back Panel and Power Supply