SMG digital gateway 17
Table 3.4—Е1 Indication
Е1 is disabled in the gateway configuration
E1 stream normal operation
Failure on a remote host (RAI)
E1 stream is in operation, the stream has slips
E1 stream is being tested
Table 3.5 provides a detailed description of the failures shown by the Alarm indicator.
Indication of CDR Files Saving
When the FTP server is not available, CDRs will be saved to the device RAM. 30 MB are allocated
for storing CDR files. If the memory is full up to a specified value, a fault will be indicated.
Table 3.5—Alarm Indication
Connection with SIP module lost
SS-7 line group fault (when the Fault indication checkbox is checked in the
Routing/SS line groups menu)
E1 stream fault (when the Alarm indication checkbox is checked in the Е1
streams/Physical parameters menu)
FTP server is unavailable, RAM utilisation for storing CDR files exceeds 50%
(15–30 MB)
CPU temperature exceeds 100 ºС
Less than 25 MB free RAM (5%)
Free storage on a connected USB drive is less than
- 5% of the total capacity (for drives with less than 5 GB storage),
- 256 MB (for drives with more than 5 GB storage)
Opposing SIP device does not respond to OPTIONS queries, when regular
checks by OPTIONS messages are enabled
setting up of semi-permanent connection over E1 channel failed
Non-critical
failure (errors)
SS-7 link fault (when the Fault indication checkbox is checked in the
Routing/SS line groups menu)