COMSPHERE 3900 Series Modems

List of Figures

Figure

Page

1-1

Model 3910

1-3

1-2

Model 3911

1-4

2-1

Model 3910 Rear Panel and Power Supply

2-3

2-2

Installing a Model 3911 Modem

2-10

2-3

Circuit Pack Lock

2-11

3-1

Model 3910 DCP

3-3

3-2

Optional SDCP, Model 3911 Faceplate, and Optional SDU

3-4

3-3

391x Series LCD and Keypad

3-6

3-4

Local Analog Loopback

3-48

3-5

Remote Digital Loopback

3-49

3-6

Local Digital Loopback

3-50

3-7

Pattern Test and Local Analog Loopback Test

3-51

3-8

Pattern Test and Digital Loopback Test

3-52

3-9

End-to-End Pattern Test

3-52

3-10

Dial Backup

3-58

4-1

DCP Configuration Process

4-2

4-2

AT Command Configuration Process

4-3

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 Multipoint

G-3

G-3

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

G-4

G-4

Sample Configuration Ð Point-to-Point with Network Management

G-5

G-5

Sample Configuration Ð Carrier with Network Management

G-6

G-6

Sample Configuration Ð Extended Multipoint

G-7

G-7

Sample Configuration Ð Extended Diagnostics

G-9

iv

November 1996

3910-A2-GN32-30

Page 8
Image 8
Paradyne 3910 operation manual List of Figures, Optional SDCP, Model 3911 Faceplate, and Optional SDU