Raisecom Technology Co., Ltd
30
1E1 and 2E1.
RC will first use valid cross connect configuration information saved in memory, and
erase invalid configuarion information automaticly. Rules for cross connection are as
follows:
a. All configurations will be refreshed if the line-board is changed and all saved
cross connect information is invalid.
b. When user-board is pulled out, the corresponding cross connect information
will be erased.
c. If the same type user-board is put into the same slot, system will restore
cross connect information saved in memory.
d. If new type user-board is put in, system will first distribute the idle channels of
first E1.
7.1.6. Explanation of system configuration and cross connect
configuration
RC3000 has rich configuration information for any E1 interface and signal interface to
realize all kinds of cross connect. Please refer to appendix A. how to use Hyper Terminal
to configure RC3000.
7.1.7. Alarm explanation:
There are two kinds of alarms: 1 device alarms; 2 system alarms. Device alarms indicate
E1 line and optical interface alarms, and optical interface alarms includes:
a. LOS alarm at local
b. LOF alarm at local
c. Alarm when bit error ratio is more than 10
-3
/s at local
d. Alarm when bit error ratio is more than 10
-6
/s at local
e. LOS alarm at remote
f. LOF alarm at remote
g. Alarm when bit error ratio is more than 10
-3
/s at remote
h. Alarm when bit error ratio is more than 10
-6
/s at remote
E1 interface alarms:
a. LOS alarm
b. LOF alarm
c. AIS alarm
d. CRC error alarm
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