Figure 2-1. Wiring Scheme 1 - ADTRAN Express L128T S User Manual

Chapter 2. Installation
To
Telephone
Company
To
Telephone
Company
Use existing analog telephone equipment, but replace single analog
telephone service with ISDN service.
The S/T interface requires a 4-wire connection.
2-4
Current Wiring Scheme
Yellow
Red
Green
Black
New Wiring Scheme
Express L128T S/T
Personal
Computer
10-Base-T Phone S/T
Yellow
Red
Green
Black
Express L128T S/T User Manual

Figure 2-1. Wiring Scheme 1

61202070L3-20