Nokia IP390 Installation Guide - Page 46
T1 Network Interface Card Receptacle and Pin Assignments, T1 Crossover Cable Pin Connections
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4 About IP390 Appliance Network Interface Cards Caution Remove the T1 cable before working on any Nokia appliance. Caution Nokia requires that this equipment be installed by authorized, experienced service personnel who have the equipment installation instructions. Nokia requires that all equipment be connected to a power source using a socket-outlet with protective earthing connection. In the following figure, the RJ-48 connector is numbered from right to left, with the copper pins facing up and toward you. Figure 19 T1 Network Interface Card Receptacle and Pin Assignments 8 1 00270 Pin# Assignment 1 RX 2 RX 3 4 TX 5 TX 6 7 8 In the following figure, wiring is shown for a T1 crossover cable. Figure 20 T1 Crossover Cable Pin Connections 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 00018.1 46 IP390 Security Platform Installation Guide