Avaya 555-233-116 User Manual

Page 44

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Extenders for 2-wire DCP endpoints

555-233-116

44

Issue 4 October 2002

Figure 7

shows a workstation connecting to a data adapter. The line side of the

adapter connects to the TN2181 digital line 2-wire circuit pack through the main
distribution frame (MDF) (to the system cabinet).

Figure 7.

Typical connections to a 2-wire DCP workstation

Table 10.

Pin-out for 2-wire DCP endpoints

Pin Number

Function

1

not used by 2-wire DCP endpoints

2

not used by 2-wire DCP endpoints

3

not used by 2-wire DCP endpoints

4

DCP signal transmission

5

DCP signal transmission

6

not used by 2-wire DCP endpoints

7

auxiliary power -48 VDC (if needed)

8

auxiliary power ground (if needed)

1. 103A or modular wall jack
2. 2-wire endpoint
3. Data terminal (serial data)
4. Data adapter (such as an 8400B+)

5. 4-wire modular cord
6. Serial data cable
7. To TN2181 digital line circuit pack

3

1

2

4

itdata RBP 032896

6

5

5

7

Line

I/O

Phone

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