OneAccess One80XM, Руководство по установке, Страница: 7 / 47

One80XM Chapter 1
Installation Guide Safety Instructions
7
1.4 Connection Precautions
ESD WARNING
The circuit boards are sensitive to electrostatic discharges (ESD) and should be handled with care. It is
advisable to ensure an optimal electrical contact between yourself, the working area and a safety ground
before touching any circuit board. Take special care not to touch any component or connector on the
circuit board.
NOTE
This unit may be powered by an IT power system.
For the definition of an
IT power system , refer to Annex V - AC power distribution systems of EN60950-1 .
The connectors of the One80XM should only be connected to the following circuit types:
• SELV (Safety Extra Low Voltage): local connection (e.g. PC to One80XM) or leased line inside the
building.
• TNV-1 (Telecom Network Voltage): telephone line, leased line outside the building.
Connector Connector label Connector type Circuit type
RS232 Interface
1
1. V.24
Console RJ45 SELV
SHDSL SHDSL RJ45 TNV-1
LAN interface
2
2. 10/100 Mbps interface
ETHERNET/SWITCH RJ45 SELV