Interphase Tech RAS Communications Controller 5536 - Manual (Page 103)

Chapter 5: Setting Up WAN Firmware and Hardware
5536 PRI RAS Communications Controller Users Guide 83
Figure 5-4. DS1 Properties
Clock Settings, Line Framing, and Line Code parameters are
physical level parameters, which cannot be modified on a PRI
Line.
Selecting the CRC Type
If your location is Europe, you should select the correct CRC
type. The CRC type depends on the country:
• For European countries other than France, select
CRC4.
• For France, deselect CRC4.