NEC Neax 2400 Imx Circuit Card Manual
Have a look at the manual NEC Neax 2400 Imx Circuit Card Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 1168 NEC manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
CHAPTER 3 ND-70182 (E) Page 326 Revision 4.0 PA - S D T B SDH/SONET Digital Trunk 3. Face Layout of Lamps, Switches, and Connectors The face layout of lamps, switches, and connectors are shown in Figure 3-88. Figure 3-88 Face Layout of PA-SDTB (SDT) MB PCM MUX0A MUX1A MUX0B MUX1B I/O OPE 2MALA 2MALB 32MALA 32MALB ACT0 ACT1 SYC0A SYC1A SYC0B SYC1B
ND-70182 (E) CHAPTER 3 Page 327 Revision 4.0 PA - S D T B 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 UNIT 2/3. LAMP NAME COLOR STATE OPEGreen 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. AC T 0Green Remains lit when MUX#0 is operating normally. Off Remains off when MUX#0 is in stand-by state. AC T 1Green Remains lit when MUX#1 is operating normally. Off Remains off when MUX#1 is in stand-by state. SYC0AGreen Lights when MUX#0 synchronization with TSW is established in A-side. Off Goes off when the synchronization is not established. SYC1AGreen Lights when MUX#1 synchronization with TSW is established in A-side. Off Goes off when the synchronization is not established. SYC0BGreen Lights when MUX#0 synchronization with TSW is established in B-side. Off Goes off when the synchronization is not established. SYC1BGreen Lights when MUX#1 synchronization with TSW is established in B-side. Off Goes off when the synchronization is not established.
CHAPTER 3 ND-70182 (E) Page 328 Revision 4.0 PA - S D T B SDH/SONET Digital Trunk 5. Switch Settings Switch settings for this circuit card are shown in the table below: 6. External Interface Refer to the PA-SDTA circuit card. 7. Switch Setting Sheet SWITCH NAMESETTINGSTANDARD SETTINGMEANING MBUP Circuit card Make-busy DOWN×Circuit card Make-busy cancel SWITCH NAME SWITCH SHAPE MB ON