365
Status LEDs
DSU PRI and R2 Card LEDs
Three status LEDs and 14 circuit LEDs are mounted on the DSU card
faceplate. Each of the card circuit LEDs shows the status of one circuit.
Table 103: DSU Card Circuit LEDs
LED
State
Meaning
DSU PRI
DSU R2
L0 and L1
right side - solid red
error
error (no physical
layer is present or
network/line side
(NT/LT) jumper is
not set correctly)
right side - off
no error
left side - solid green
D-channel
established
AB signaling
established
left side - flashing
green
Layer 1 established
left side - off
no link
right side - yellow
with left side -
flashing green
alarm indication from far end
right side - yellow
with left side - off
blue alarm from card - normal during
link startup
ST (status)
flashing
operational
off
not operational
solid
card is booting
MS (message
system)
solid green
message link open to the system
off
message link not open to the system
Summary of Contents for 3300
Page 10: ...x Enter document Title using Variable ...
Page 11: ...Chapter 1 Getting Started ...
Page 12: ...2 3300 ICP Technician s Handbook ...
Page 20: ...10 3300 ICP Technician s Handbook ...
Page 21: ...Chapter 2 Initial Setup ...
Page 22: ...12 3300 ICP Technician s Handbook ...
Page 48: ...38 3300 ICP Technician s Handbook ...
Page 49: ...Chapter 3 Installation and Programming ...
Page 50: ...40 3300 ICP Technician s Handbook ...
Page 91: ...Chapter 4 Software Installation ...
Page 92: ...82 3300 ICP Technician s Handbook ...
Page 124: ...114 3300 ICP Technician s Handbook ...
Page 125: ...Chapter 5 Maintenance ...
Page 126: ...116 3300 ICP Technician s Handbook ...
Page 166: ...156 3300 ICP Technician s Handbook ...
Page 167: ...Chapter 6 Install and Replace Units ...
Page 168: ...158 3300 ICP Technician s Handbook ...
Page 247: ...Appendix A Hardware Reference ...
Page 248: ...238 3300 ICP Technician s Handbook ...
Page 251: ...241 Hardware Reference Figure 90 AX Controller Card View Figure 91 AX Controller Rear Panel ...
Page 279: ...Appendix B Installation Planner ...
Page 280: ...270 3300 ICP Technician s Handbook ...
Page 308: ...298 3300 ICP Technician s Handbook ...
Page 309: ...Appendix C Typical Network Configurations ...
Page 310: ...300 3300 ICP Technician s Handbook ...
Page 338: ...328 3300 ICP Technician s Handbook ...
Page 339: ...Appendix D Status LEDs ...
Page 340: ...330 3300 ICP Technician s Handbook ...
Page 378: ...368 3300 ICP Technician s Handbook ...
Page 379: ...Appendix E FRU Part Numbers ...
Page 380: ...370 3300 ICP Technician s Handbook ...
Page 390: ...380 3300 ICP Technician s Handbook ...
Page 391: ...Appendix F System Capacity and Parameters ...
Page 392: ...382 3300 ICP Technician s Handbook ...
Page 402: ...392 3300 ICP Technician s Handbook ...
Page 403: ...Appendix G Older Hardware and Software ...
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