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Welltech SPCI2S Intel NetStructure SS7 Boards User Manual

Page 94

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SS7 Programmer’s Manual for SPCI2, SPCI4 and CPM8 Issue 2

Page 94

The frame format taken from the following table:

frame_format Description

1

E1 double frame (E1 only)

2

E1 CRC4 multiframe (E1 only)

4

D3/D4 (Yellow alarm = bit 2 in each channel) (T1 only)

7

ESF (Yellow alarm in data link channel) (T1 only)

The CRC mode taken from the following table:

crc_mode Description

1

CRC generation disabled

2

CRC4 enabled (frame_format must be set to 2)

3

CRC4 compatibility mode (frame_format must be set to 2)

4

CRC6 enabled (frame_format must be set to 7)

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