System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Setting options for the 2 Mbit/s connection
Aastra Proprietary Information Page 2-31
The following table shows the assignment of service digits to functions:
Protection switching configurations
The configuration of node links also includes protection switching options.
The following protection switching processes can be defined:
• Line protection switching (port protection switching)
• Card protection switching
See also Section 2.7, Protection Switching Configurations .
Tab. 2.J: Service digits
SERVICE
DIGITS
SYSTEM
CHANNEL
IS USED
SIGNAL FOR
CONTROLLING
CLOCK
PRIORITY IS
TRANSMITTED
ECC8 IS
TRANSMITTED
IN SYSTEM
CHANNEL
PAYLOAD IS
TRANSMITTED IN
BITS SA5...SA8 OF
THE OUTGOING
SERVICE DIGITS
NOTE
M_0 yes yes yes no
M_1 yes yes yes yes *
M_2 yes no yes no
3.85 and
higher
M_3 yes yes no no
3.85 and
higher
M_4 no no no no
M_5 no no no yes
M_6 yes no yes yes *
3.85 and
higher
M_7 yes yes no yes *
3.85 and
higher
* System channel transmitted in TS30.