Table 91: TIM521 RJ-45 Connector Pinout

SignalPin
No connection1
No connection2
Transmit pair +3
Receive pair +4
Receive pair 5
Transmit pair 6
No connection7
No connection8
244 Connector Pinouts for Avaya VoIP Modules
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide