Table of Contents

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

3-2

3-2

Optional SDCP, Model 3911 Faceplate, and Optional SDU

3-3

3-3

391x Series LCD and Keypad

3-5

5-1

DCP Configuration Process

5-2

5-2

AT Command Configuration Process

5-3

8-1

Local Analog Loopback

8-4

8-2

Remote Digital Loopback

8-5

8-3

Local Digital Loopback

8-6

8-4

Pattern Test and Local Analog Loopback Test

8-7

8-5

Pattern Test and Digital Loopback Test

8-8

8-6

End-to-End Pattern Test

8-8

10-1

Dial Backup

10-5

C-1

VF Pin Orientation

C-3

C-2

Wiring Diagram — Y Cable for External Telephone

C-4

C-3

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

C-5

C-4

Wiring Diagram — 25-Pin Crossover Cable

C-6

G-1

Sample Configuration — Point-to-Point

G-2

G-2

Sample Configuration — Multipoint

G-3

G-3

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

G-4

G-4

Sample Configuration — Point-to-Point with Network Management

G-5

G-5

Sample Configuration — Carrier with Network Management

G-6

G-6

Sample Configuration — Extended Multipoint

G-7

G-7

Sample Configuration — Extended Diagnostics

G-9

3910-A2-GN32-40

September 1998

v

Page 9
Image 9
Digicom 3910, 3911 operation manual List of Figures