Performance Monitorings
Trail Termination Points | Equipment |
|
for each DS1 and E1 port | ||
for each DS3, E3 and | ||
for each E4 interface and on the | ||
Multiplex Section on the | ||
Multiplex Section on the | ||
Multiplex Section on the | ||
Regenerator Section of the 2.5 Gbps interfaces | ||
Multiplex Section of the 2.5 Gbps interfaces | ||
on | ||
Severity setting for alarms | on each TP instance | |
Enhancements | compliant 24 hr counters Unavailable period storage | |
History bin: | every 15 minutes (16 bins + 4 hour storage time) | |
| Every 24 hours (1 bin + 1 day storage time) | |
Threshold reports |
|
|
Supervision and alarms |
|
|
| LED continuously on: diagnostic error | |
|
| LED flashing: transmission signal error |
System Controller indicators/buttons: |
| |
LED indicators |
| Power, Prompt and Deferred alarm |
|
| Abnormal, Info, Suppressed, UseCIT, |
|
| and Disconnect |
| Suppress, Disconnect | |
CIT connector |
| |
Station alarm interface outputs | Floating | |
Miscellaneous Discretes |
| 8 inputs and 8 outputs |
| to connect to EMS or other Network | |
|
| Elements |
Protection and redundancy
Tributary Level Redundancy:
1:N Equipment protection on 1.5 Mbps & 2 Mbps Interface circuit packs (N= max. 8) 1+1 Equipment protection on 34/45 Mbps, 45 Mbps Interface circuit packs
1:N Equipment protection on 140/STM1e (N= max. 4)
1+1 Equipment protection on
SNC/N protection:
Programmable
Dual Node Interworking (DNI):
between two
between
Support of
MSP:
1+1 MSP on optical
1+1 MSP on optical Line Interface circuit packs
Selective
Cascading of protection schemes in one Network Element
Programmable
Maximum of 50 ms switching time for all protection mechanisms
