Lucent Technologies Release 7 User Manual
DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-1429
SNI-BD (SNI Circuit Pack)
9
Remote EPNs
A DS1 converter complex can used to provide connectivity to a remotely located
port network. The DS1 converter complex consists of two TN574 DS1 converter
(DS1C) circuit packs connected by 1 to 4 DS1 facilities. The DS1C complex is
administered as a fiber link.
port network. The DS1 converter complex consists of two TN574 DS1 converter
(DS1C) circuit packs connected by 1 to 4 DS1 facilities. The DS1C complex is
administered as a fiber link.
Figure 9-86.
Fiber Link over a DS1 Converter Complex
SNI LEDs
The SNI circuit pack has red, green and yellow LEDs. The red and green LEDs
have the usual meaning, with red signifying an on-board alarm, and green
signifying maintenance testing in progress. The red and green LEDs will come on
and then turn off when the circuit pack is reset.
have the usual meaning, with red signifying an on-board alarm, and green
signifying maintenance testing in progress. The red and green LEDs will come on
and then turn off when the circuit pack is reset.
NOTE:
If the red LED is on without any alarms active against the circuit pack,
replace the SNI circuit pack. This indicates that SNI firmware has detected
a fault and is unable to notify software.
replace the SNI circuit pack. This indicates that SNI firmware has detected
a fault and is unable to notify software.
metallic connection
or
optical fiber
metallic connection
or
optical fiber
1 to 4 DS1 Facilities
TN570
TN574
TN574
TN573
SNI
DS1C DS1C
EI