PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 227

• Manufacturer Part Number: PXB4221
• Description: IWE8 Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

PXB4219 / PXB4220 / PXB4221
Application Hints
The PLLs for SRTS accept RFCLK deviations of at least + and - 50 ppm. However, in
case of switchover to emergency mode, RFCLK will be used to generate the line clock,
which has to fulfill specifications like "maximum 4.6 ppm deviation under ALL
circumstances". In this case RFCLK accuracy has to be 4.6 ppm.
Data Sheet
227
2002-05-06