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ISDN BRI Interface:
ISDN I.420 (RJ-45 Jack) Basic Rate Interface S/T (2B+D), 128 kbps per ISDN I/F
To connect the system to BRI, use the ISDN cable provided by TANDBERG (or a standard BRI
cable).
The pinout of the S/T interface is:
BRI Pinout
Pin-3 TX+
Pin-4
RX+
Pin-5
RX-
Pin-6
TX-
ISDN PRI Interface:
1 x PRI (RJ-45 Jack) Primary Rate & Leased Line E1/T1 (G.703) Interface up to 2 Mbps
1 x PRI (RJ-45 Jack) Primary Rate (for future use).
To connect the system to PRI, use the ISDN cable provided by TANDBERG (or a standard PRI
cable).
The pinout of the E1/T1 interface is:
PRI Pinout Crossover PRI
cable
Pin-1 RX+ 4
Pin-2 RX- 5
Pin-4 TX- 1
Pin-5 TX+ 2
Note! TANDBERG recommends always using category 5 cabling.
NET Interface:
1 x X.21 / V.35 / RS449 with 1 x RS366 Call Control up to 2 Mbps