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DCS SPECIAL APPLICATIONS
COMBINED PROGRAMMING MANUAL NOVEMBER 2001
3–18
RJ-45 pin assignment for BRI
User Side (LT-T) Pin Number NT Side (LT-S)
Tx 3 Rx
Rx 4 Tx
Rx 5 Tx
Tx 6 Rx
Table 15 - Pin assignment of RJ-45 for BRI
Note: DCS-408 and 408i users should refer to the Installation Manual provided with their system for
details of pin connections for BRI.
Making an RJ-45 connector extension to BRI
As shown in Table 15, LT-S (NT side) and LT-T (User side) have different pin assignments in
RJ-45. You can use the pin assignment tables (11–14) with Table 15 according to the func-
tion of the BRI port. You should connect pins with the pins in Table 15 that have the same
name.
Note: RJ-45 sockets come in different styles which look similar. However, pin numbers may be ter-
minated in different places. Therefore, always check the pin numbers on your connectors.
BRI Related MMC Procedure
There are several MMCs related to BRI cards. Because some MMCs have dependencies on
other MMCs, it could become cumbersome to do MMC programming correctly. You should,
therefore, program these MMCs in a pre-defined order, as described in this section. Be sure
to follow this order, or some of the MMC data will be lost.