SMG digital gateway
17
Table 3.4—Е1 Indication
Stream Status
E1 Indicator
Red
Yellow
Green
Е1 is disabled in the gateway configuration
Off
Off
Off
E1 stream failure
Blinking
(200 ms)
Off
Off
Loss of signal (LoS)
On
Off
Off
AIS failure
Blinking
(200 ms)
Blinking
(200 ms)
Off
LOF failure
Blinking
(200 ms)
Off
Off
LOMF failure
Blinking
(200 ms)
Off
Off
E1 stream normal operation
Off
Off
On
Failure on a remote host (RAI)
Off
On
Off
E1 stream is in operation, the stream has slips
Off
Blinking
(500 ms)
Blinking
(500 ms)
E1 stream is being tested
Blinking
(200 ms)
Off
Blinking
(200 ms)
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
Alarm LED Status
Fault Level
Fault Description
Blinking red
Critical failure
Configuration error
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
Solid red
Non-critical
failure (errors)
SS-7 link fault (when the
Fault indication
checkbox is checked in the
Routing/SS line groups
menu)