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E1 cable configuration and pin assignment

Latest reply: May 22, 2018 14:16:02 4298 1 1 0 0

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This post is about E1 cable configuration and pin assignment. Please see more details as you read further down.


E1 CABLE CONFIGURATION METHOD


Table 1 describes the E1 cable configuration method.


E1 cable configuration and pin assignment-2669595-1

PIN ASSIGNMENT OF THE 75-OHM DB9-TO-BNC CABLE


Figure 1 shows the structure of a 75-ohm DB9-to-BNC cable.

E1 cable configuration and pin assignment-2669595-2


Table 2 shows the pin assignments of a 75-ohm DB9-to-BNC cable.


E1 cable configuration and pin assignment-2669595-3


NOTES

  • Tx stands for transmission and Rx stands for receiving.


  • The R and T tags on BNC coaxial cables indicate the signal directions on a router. The R and T BNC coaxial cables must be connected to the Tx and Rx interfaces on the remote device.


PIN ASSIGNMENT OF THE 120-OHM DB9-TO-RJ45 CABLE


Figure 2 shows the structure of a 120-ohm DB9-to-RJ45 cable.


E1 cable configuration and pin assignment-2669595-4


PIN ASSIGNMENT OF THE 100-OHM DB9-TO-RJ45 CABLE


E1 cable configuration and pin assignment-2669595-5


PIN ASSIGNMENT OF THE 75-OHM RJ45-TO-BNC CABLE


E1 cable configuration and pin assignment-2669595-6


PIN ASSIGNMENT OF THE 120-OHM RJ45-TO-RJ45 CABLE


E1 cable configuration and pin assignment-2669595-7


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wissal
MVE Created May 22, 2018 14:16:02

useful document, thanks
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