Username: Password:

VME-DS-DM-Rev0

Serial number: 2 item id: 11198
PO number:
Received:
Manufacturer:
Model:
Created on:
Updated on:
Notes:

close

Date User Note
2023-04-18 00:00:00 U15 -12 to -5 voltage regulator is missing. -VLDO connected to -12V. K.O.
2023-04-18 00:00:00 new NIM output circuit
2023-04-18 00:00:00 VX port 1a bad vx clock, there is a solder bridge under clock fanout chip U12-2 clock output pins. According to Peter M. difficult to repair, U12 probably needs to come off. K.O.
2023-04-18 00:00:00 VX ports tested ok using test_cdm and VX LVDS loopback. (except one bad vx clock as noted above). K.O.
2023-04-18 00:00:00 installed SW5, removed R23 and R53. NIM/TTL switch works, both NIM and TTL clocks work. K.O.
2023-04-18 00:00:00 wrong RJ45, use custom eth cable. K.O.
2023-04-18 00:00:00 NIM inputs do not work, threshold is -0.9V instead of -0.3V. K.O.

Type

Name: VME-DS-DM-Rev0 type id: 6306