ONE100D/M Chapter 1
Installation Guide Safety instructions
9
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.
EMC WARNING
The OneAccess access products are fully EMC compliant. To ensure compliance with EMC directive 89/
336/EEC, shielded cables or ferrite beads have to be used.
NOTE
This unit may be powered by an IT power system.
The connectors of the ONE100D/M should only be connected to the following circuit types:
• SELV (Safety Extra Low Voltage): local connection (e.g. PC to ONE100D/M) or leased line inside the
building.
• TNV-1 (Telecom Network Voltage): telephone line, leased line outside the building.
• TNV-2: PSTN from PABX inside the building; Telecommunications Network Voltage.
• TNV-3: PSTN from operator PABX outside the building.
Connector Connector label Connector type Circuit type
SHDSL SHDSL RJ45 TNV-1
LAN interface
1
1. 10/100 Mbps interface
ETHERNET/SWITCH RJ45 SELV
PSTN interface
2
2. V.32(bis)/V.34/V.90/V.92
PSTN RJ45 TNV-1
RS232 Interface
3
3. V.24
Console RJ45 SELV
FXS Interface FXS RJ45 TNV-2
FXO Interface FXO RJ45 TNV-3
T0/S0 interface ISDN BRI RJ45 TNV-3
Earth stud Clinching stud Earth
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