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5
5
Establishing network
connections
Connectors and cables
The TX 4000 board has two Dialogic
®
MD1 RJ-45 T1/E1 trunk interfaces and two
Ethernet connectors. The following illustration shows these connectors on the TX
4000 end bracket:
Trunk 1
(and Trunk 3 if applicable)
Trunk 2
(and Trunk 4 if applicable)
Ethernet 1
Ethernet 2
Dialogic® MD1 RJ-45 interface
The TX 4000 provides an Dialogic
®
MD1 RJ-45 interface to connect to a T1 or E1
network. The following illustration shows the Dialogic
®
MD1 RJ-45 pinouts:
Pin 8: (Port 2) R - Receive from network
Pin 7: (Port 2) T - Receive from network
Pin 6: (Port 2) R1 - Transmit to network
Pin 5: (Port 1) T1 - Transmit to network
Pin 4: (Port 1) R1 - Transmit to network
Pin 3: (Port 2) T1 - Transmit to network
Pin 2: (Port 1) T - Receive from network
Pin 1: (Port 1) R - Receive from network
Pin 1
Pin 8
To access Trunk 1, Trunk 2, or both Trunks 1 and 2, connect a shielded T1 or E1 RJ-
45 cable to one or both 8-pin modular jacks on the board.
To access all four trunks, use two dual T1/E1 120 ohm trunk adapter cables. Each
trunk adapter cable separates the 8-pin modular jack on the board into two RJ-48C
interfaces.
Dialogic Corporation 29