Axel AX4020 Installation Guide - Manual (Page 5)

Installation
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Installation Guide - AX4020 Office Server
2 - INSTALLATION
This chapter provides information and instructions to install the AX4020.
2.1 - DESCRIPTION
The AX4020 has the following connectors and switches on the rear panel:
- 1 power switch,
- 1 connector for the external power transformer cord,
- 8 serial ports; RJ-45 (RS-232),
- 1 administrator switch to access the interactive set-up,
- 1 TCP/IP port; RJ-45 (10BaseT).
20 leds (light emitting diodes) are located on the front panel:
These leds are also used to signal any special processing (firmware
downloading, for example) or to provide error codes.