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IP LDK-20 Installation Manual Board Installation
39
3.4 Installation of the Extension Board
BOARD PORT CONNECTOR TYPE REMARK
DTIB4 4 DKT ports RJ45 Digital Terminal Interface : 4 ports
DTIB8 8 DKT ports RJ45 Digital Terminal Interface : 8 ports
SLIB4 4 SLT ports RJ45 Single line telephone Interface : 4 ports
SLIB8 8 SLT ports RJ45 Single line telephone Interface : 8 ports
3.4.1 DTIB4 (Digital Terminal Interface Board)
Description
DTIB4 can be installed on the SLIB/DTIB connector, and provides 4 Digital Keyset ports. It also provides 2-wire
connections for Digital Keysets. It has a module connector, MJ1, which is used to connect Digital Keyset lines to the
DTIB4.
Figure 3.4.1 DTIB4
3.4.1.1 Pin assignment
DTIB4
CONNECTOR PIN NUMBER NO SIGNAL NAME FUNCTION
1,2,3,6,7,8 Reserved
4 DKT_R RING
RJ45
5 DKT_T TIP
DKT
CONNECTOR PIN NUMBER NO SIGNAL NAME
1-2 RESERVED
3 TIP
4 RING
RJ11
5-6 RESERVED