Filter
Top Products
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
itdataRBP 032896
6
5
5
7
Line
I/O
Phone