Allied Telesis AR Series Hardware Reference Manual page 82

82
Figure 41: Pin wiring diagram for an ISDN Primary Rate Interface (120Ω) cable.
RJ45
(to switch or
router)
←
RX+ 1
←
RX- 2
Not connected 3
→
TX+ 4
→
TX- 5
Not connected 6
Not connected 7
Not connected 8
Notes:
→ Output from switch or router; ← Input to switch or router.
(1)
(2) Use Grade 5 twisted pair cable, with pairs 1 and 2, and 4 and 5.
(3) Cable version 1.0.
Figure 42: Pin wiring diagram for an ISDN Primary Rate Interface (75Ω) cable.
BNC
(to router)
→
TX
←
RX
Notes:
(1) → Output from router; ← Input to router.
(2) Use 75 ohm coaxial cable.
(3) Cable version 1.0.
Cable Shield
Cable Shield
AR Router
PRI120NT
BNC
(to NT)
RX
TX
PRI75NT
C613-03031-01 REV E