Avaya 555-233-116 사용자 설명서
Extenders for 2-wire DCP endpoints
555-233-116
44
Issue 4 October 2002
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).
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+)
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
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