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Chapter 3. Installation and Preparation
1. First, please choose the appropriate configuration structure to be applied,
referring to the sketch map of recommended basic connection structure.
2. Make sure that the V.35 cable matches the connected equipment. If
RC907/908-EV35 interface converter is used to connect DCE, please use DTE
cable.
3. Use CAT.5 UTP to connect the Ethernet port of RC907/908-EV35 interface
converter, and make sure that the length of the UTP cable does not exceed
100m.
The pin definitions of the RJ45 interface on RC907/908-EV35 interface converter
are as follows.
Pin number
1
Definition
TX+
Details
Output+
The following diagram indicates the correct line sequence of straight-through UTP
cable.
RC907/908-EV35 UTP-RJ45
Pin 1
Pin 2
Pin 3
Pin 6
RC907/908-EV35 User Guide
NO.1 pin
NO.8 pin
2
3
RX+
TX-
Not
Used
Output-
Input+
Hang
Ethernet device RJ45
Pin 1
Pin 2
Pin 3
Pin 6
4
5
6
Not
RX-
Used
Hang
Input-
7
8
Not
Not
Used
Used
Hang
Hang
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