User guide

WA_DEV_FEX20_UGD_002 Rev 004 March 08, 2011 27
Fastrack Xtend User Guide
Features and Services
2.4. Protection
2.4.1. Power Supply
The Fastrack Xtend is protected from continuous over-voltage by a 2A/250V slow break fuse directly
bonded on the 6-wire cable accessory; and it is also protected against transient voltage peaks over
+32V. When the input voltage exceeds 32V, the supply voltage is automatically disconnected in order
to protect the internal electronic components from overvoltage.
2.4.2. Electrostatic Discharge
The Fastrack Xtend withstands ESD according to IEC 1000-4-2 requirements for all accessible parts,
except for the RF connector which withstands ESD as follows:
 +/- 8kV of air discharge
 +/- 4kV of contact discharge
2.4.3. Main Serial Link
The Fastrack Xtend‟s RS232 serial link connection is internally protected against electrostatic surges
on its lines by ESD protection and it also has the following filtering guarantees:
 EMI/RFI protection on both input and output
 Signal smoothing