Aria-130 Digital Key Telephone System
Issue: 1.2
Installation Manual
119
Table 3.5.6.b and Figure 3.5.16. So it is important that the wiring with contact assignment of RJ45 type
connector should be checked, when PRIB is set to master mode (NT) during installation. The TX pair of
RJ45 connector on PRIB in master mode is connected to the RX pair of PRIB of another system and vice
versa as following Figure 3.5.16.c.
Note:
1.
ARIA-130 PRIB supports only TE(slave) mode mode, not NT(master) mode.
2. When PRIB is set to NT mode, two pins of CON3 should be short by shorting traps, e.g. a short
pin. See the clause 3.4.6.3 PRIB Installation; Function of Connectors.
Figure 3.5.16.c PRI line (NT connection) wiring
3.5.7.4 Terminating Resistors on Basic Rate interface(BRIB/STIB)
Terminating resistors are required on each line of BRIB/BRIU/STIB for the proper operation. Switchable
terminating resistors are introduced on GDK-100 BRIB issue 3 or later version, GDK-100 STIB issue 2 or
later version and ARIA-130 BRIB/BRIU issue 1 or later version. So switches on each line of the board
should be ON to terminate them when installing line.
Note:
1. R is 100 ohm terminating resistor, and the line is terminated at 100 ohm when switches are ON.
2. SWx means terminating switches on each interface of BRIB/STIB. See clause 3.4.6.
Figure 3.5.17.a Terminating method of BRIB/BRIU/STIB with switchable terminating resistors
BRIB / BRIU
STIB
RJ45 type jack
TX+
TX-
RX+
RX-
3
6
4
5
RX+
RX-
TX+
TX-
3
6
4
5
OR
T interface
: BRIB and
STIB (T)
S interface
: STIB (S)
SWx
R
R
ON
SWx
R
R
ON
From/To
BRI Line
From/To
ISDN Terminal
Another GDK/LDK
system
PRIB/PRIU (TE mode)
GDK-100 PRIB (NT mode)
RJ45 connector
RX
RX-
TX
TX
1
2
4
5
1
2
4
5
RX
RX
TX
TX
Содержание Aria-130
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