Avaya 555-233-116 manual Typical connections to a 2-wire DCP workstation

Extenders for 2-wire DCP endpoints

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)

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).

2

	1	5
			Phone
		5		4
7			Line

I/O

6

3

	itdata RBP 032896
1.	103A or modular wall jack	5.	4-wire modular cord
2.	2-wire endpoint	6.	Serial data cable
3.	Data terminal (serial data)	7.	To TN2181 digital line circuit pack
4.	Data adapter (such as an 8400B+)

Figure 7. Typical connections to a 2-wire DCP workstation

44 Issue 4 October 2002 555-233-116