User guide

WA_DEV_GL6100_PTS_001 Rev 002 May 24, 2010 18
GL61x0 Product Technical
Specification and User Guide
GL61x0 Feature Set
2.2.3. Main Serial Link and USB Connection
Both GL6100 and GL6110 are 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
2.2.4. SIM Interfaces
The GL61x0’s SIM interface is ESD protected. Transient Voltage Suppressor (TVS) diodes are
internally added on the signals connected to the SIM interface in order to prevent any damage from
electrostatic discharge.