Aria-130 Digital Key Telephone System
Issue: 1.2
Installation Manual
118
3.5.7.3 PRIB wiring
PRIB of ARIA-130 supports only TE mode(slave), so ARIA-130 PRIB can not used as NT mode for Q-sig,
but GDK-100 PRIB can be used as NT mode for Q-sig in ARIA-130 system.
PRIB is capable of connecting to 1 Primary Rate Trunk lines through an RJ45 type jack.
The contact assignment of RJ45 type jack on PRIB is shown in Figure 3.5.16.a.
Note:
1.
Only two pairs of RX and TX are typically connected with PRI line.
Figure 3.5.16.a Contact assignment of RJ-45 type jack of PRIB
The TX pair of RJ45 type jack on PRIB is connected to the RX pair of DSU, and the RX one on PRIB
is to the TX one of DSU as Figure 3.5.16.b.
Note:
1. Connect the TX pair of RJ45 type jack on PRIB to the RX pair of DSU and
vice versa
.
2. PRIB is capable of connecting with 1 PRI line.
Figure 3.5.16.b PRI trunk line (TE connection) wiring
PRIB card is typically used as TE connecting with ISDN PX and DSU. But the PRIB can be used as NT in
special purpose such as QSIG function with another LDK/GDK PRIBs directly. However the type of
contact assignment of RJ45 type jack is provided for TE connection on PRIB card, that is, the contact
assignment of RJ45 type jack on PRIB is not changed even though the board is set to NT mode. See
DSU (NT-Box)
PRIB
RJ45 type jack
RX
RX
TX
TX
1
2
4
5
1
2
4
5
TX
TX
RX
RX
From/to PX
TX
GND (R)
1 2 3 4 5 6 7 8
RX
GND (T)
RX
TX
