NEC PASOLINK+ - Events; Indication

MTD-PL-028/141005 PASOLINK
+
155 MB 1+0/1+1 SYSTEM
- 25 -
7) Mechanical Dimension
ODU : 240(W) x 243(H) x 124(D) : Approx. 5 Kg (Type 1)
: 260(W) x 410(H) x 190(D) : Approx. 10 Kg (Type 2)
IDU 1 + 0 : 482(W) x 44(H) x 292(D) : Approx. 5 Kg*
1 + 1 : 482(W) x 133(H) x 300(D) : Approx. 13 Kg*
Note*: Including option panel
Note : Salt damage
In case of operating in the sea or around the coast area (within 3 km from coastline),
measure must be taken for the ODU against salt damage. Please ask NEC for
countermeasure.
6.5 Events
Alarm Events for 1+0 system
Event Event conditions ALM indication
LED
LOS Input signal lost (Input STM-1 signal) LED on Module panel
LOF Frame synchronization lost (Input STM-1 signal) IDU ALM and LED on Module
panel
INTFC ALM STM-1 interface unit failure, Loss of output STM-1 signal IDU ALM and LED on Module
panel
BER (RX) ALM Excessive BER
BER degraded worse than preset value (10e-3 to 10e-
5)
IDU ALM
MOD ALM TX side alarm includes unit failure, IF output signal
degraded.
IDU ALM
DEM ALM RX side alarm includes unit failure, IF signal input lost. IDU ALM
WS ALM Unit fail, WS input signal lost. IDU ALM
TX PWR ALM ODU transmitting power decreased ODU ALM
TX IN ALM Receiving TX IF signal level decreased ODU ALM
RX IN ALM Receiving signal level decreased ODU ALM
APC ALM ODU APC loop is out of lock ODU ALM
MAINT ALM LCT set to MAINT status MAINT
6.6 Indication
LED Indication on the equipment front
Failure indication of the equipment unit to be replaced.
1+0 Equipment
LED indication Condition Color
MAINT During Maintenance Yellow
ODU ALM ODU equipment failure Red
IDU ALM IDU equipment failure Red
PWR On power Green