NEC 2400 IPX Whiteboard Accessories User Manual


 
NDA-24296 CHAPTER 3
Page 451
Revision 1.0
PA-SDTB
SDH/SONET Digital Trunk
4. Lamp Indications
Lamp indications for this circuit card are shown in the table below:
Note:
A-side MUX means the card located in UNIT0/1 and B-side MUX means the card located in UNIT2/3.
LAMP NAME COLOR STATE
OPE
Green Remains lit when this circuit card is in operation.
Red Remains lit when this circuit card is in non-operation.
2MALA Red Lights when 2 M clock and FH from A-side MUX is abnormal.
2MALB Red Lights when 2 M clock and FH from B-side MUX is abnormal.
32MALA Red Lights when 32 M clock from A-side MUX is abnormal.
32MALB Red Lights when 32 M clock from B-side MUX is abnormal.
ACT0
Green Remains lit when MUX#0 is operating normally.
Off Remains off when MUX#0 is in stand-by state.
ACT1
Green Remains lit when MUX#1 is operating normally.
Off Remains off when MUX#1 is in stand-by state.
SYC0A
Green Lights when MUX#0 synchronization with TSW is established in A-side.
Off Goes off when the synchronization is not established.
SYC1A
Green Lights when MUX#1 synchronization with TSW is established in A-side.
Off Goes off when the synchronization is not established.
SYC0B
Green Lights when MUX#0 synchronization with TSW is established in B-side.
Off Goes off when the synchronization is not established.
SYC1B
Green Lights when MUX#1 synchronization with TSW is established in B-side.
Off Goes off when the synchronization is not established.