70
AR Router
C613-03031-01 REV E
Voice Ports
Voice ports on the AT-AR300(S) and AT-AR310(S) use a standard RJ11
telephone socket that provides a Tip and Ring A/B pair (Table 33 on page 70).
An RJ11-to-BT adaptor cable can be used to connect telephones with BT-style
plugs to RJ11 ports (Figure 50 on page 89).
Test Facility
A Test Facility designed to test the router’s physical interfaces is built into all
AR router software. The test Facility can be thought of as a specialised interface
module like PPP or Frame Relay. Although the router can continue to operate
normally during specific tests, any interfaces being tested are dedicated to the
Test Facility. For more information on the Test Facility’s operation, see the
Test
Facility
chapter of your router’s Software Reference.
Table 31: Connection standard for Primary Rate ISDN BNC 75
Ω
connectors.
Signal
Connection
TX-/RX-
Outer conductor (i.e., shield)
TX+/RX+
Inner conductor
Table 32: Connection standard for Primary Rate ISDN RJ-45 120
Ω
connectors (from
left to right, with latch down, as viewed from the rear).
Pin
Signal
1
RX+
2
RX-
3
RX ground selection from jumper
4
TX+
5
TX-
6
TX ground selection from jumper
7
Not connected
8
Not connected
Table 33: Pinout of the voice port RJ11 connectors.
Pin
Function
1
Not connected
2
Not connected
3
RING
4
TIP
5
SHUNT
6
Not connected
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