For history, see MissingLinksAtOxford
Barrel 3 (No modified modules)
DATA links- LMT28 Z+6 20220380200139 link1 VCSEL “very sick” - the light output has a slow risetime. This link was OK during warm running but no error-free setting could be found during the cold test.
- LMT24 Z-6 20220330200131 link1 dead - standard module in place (Sr1)
- LMT29 Z-3 20220380200111 link1 dead - standard module in place (Ox)
- LMT16 Z-3 20220330200301 broken VCSEL bias line identified during pit connection tests
- LMT22 Z+6 20220040200322 link0 dead (pit)
- LMT25 Z-4 20220330200090 broken VCSEL bias line identified during pit connection tests
TTC links
- lmt01 Z+6 20220330200024 No redundant TTC (from harness test)
- lmt03 Z-5 20220330200357 No redundant TTC (from harness test)
- lmt07 Z+6 20220040200090 No redundant TTC (from harness test)
- lmt11 Z+6 20220330200353 No redundant TTC (from harness test)
- lmt24 Z+3 20220330200446 has noise slope with SELECT=0. Use SELECT=1.
- lmt30 Z-5 20220170200009 makes neighbour noisy if SELECT=0. Use SELECT=1.
Electrical faults
- lmt22 Z+3 Vdd sense error
Barrel 4 (3 modified modules)
DATA links- LMT02 Z+4 20220170200653 link0 dead - modified module in place (Ox)
- LMT29 Z+1 20220170200113 link0 dead - modified module in place (Ox)
- LMT35 Z-6 20220170200941 link1 flakey - modified module in place (precautionary) (Ox)
- LMT24 Z-2 20220330200461 link0 dead - standard module in place (pit)
- LMT29 Z+6 20220330200559 link1 dead - standard module in place (pit)
TTC links
- LMT38 Z-6 20220170200136 No pin current. Passes diode test. Use SELECT=1.
- LMT27 Z+1 20220170200378 No pin current. Passes diode test. Use SELECT=1.
- LMT15 Z+5 20220170200695 Electrical fault from cable testing. Use SELECT=1.
* 20220170200136 has good pin current in the pit 10/08/09 :-) * 20220170200378 has good pin current in the pit 10/08/09 :-) * 20220170200695 has zero pin current in the pit 10/08/09 :-(
Barrel 5 (3 modified modules)
DATA links- LMT19 z-6 20220330200701 link0 dead - modified module in place (Ox)
- LMT21 z-6 20220330200637 link0 dead - modified module in place (Ox)
- LMT40 z+6 20220170200183 link1 dead - modified module in place (Ox)
- LMT09 Z+3 20220170200609 link0 low output: OK with RX threshold of 50
- LMT42 Z+3 20220170200107 broken VCSEL bias line identified during pit connection tests
TTC links
- LMT31 z+1 20220170200079 No pin current. Passes diode test. Use SELECT=1.
- LMT31 z+6 20220170200179 No pin current. Passes diode test. Use SELECT=1.
- LMT10 Z-4 20220170200522 DoubleTriggerNoise feature. Use SELECT=1
- LMT36 Z+6 20220170200690 makes neighbour noisy if SELECT=0. Use SELECT=1.
* 20220170200079 has good pin current in the pit 10/08/09 :-) * 20220170200179 has good pin current in the pit 10/08/09 :-)
Barrel 6 (5 modified modules)
DATA links
- LMT08 z-2 20220330200606 link1 dead - modified module in place (Ox)
- LMT09 z+2 20220330200209 link0 dead - modified module in place (Ox)
- LMT17 z+5 20220330200505 link0 dead - modified module in place (Ox)
- LMT19 z+3 20220170200932 link1 dead - standard module in place (Ox)
- LMT28 z+1 20220330200117 link0 dead - modified module in place (Ox)
- LMT30 z-5 20220330200693 link1 dead - modified module in place (Ox)
- LMT39 z-6 20220380200010 link0 dead - standard module in place (SR1)
- LMT16 Z-4 20220380200012 link1 dead - standard module in place (pit)
- LMT24 Z+3 20220170200281 link1 dead (no light - pit)
- LMT22 Z+6 20220380200225 link0 dead (no light - pit)
- LMT50 A4 link1 dead (no light - pit)
TTC Links
- LMT44 z+1 20220170200575 Confirmed dead! Use SELECT=1.
* 20220170200575 has non zero pin current in the pit 10/08/09 :-)