Datasheet: http://prep.fnal.gov/catalog/hardware_info/lecroy/nim/620d.html
Octal Discriminator Module (LeCroy)
SKU: 620D
Serial Number Location 57392 In lab rack 20426 In lab rack 90669 In lab rack 90743 In lab rack A43121 In lab rack 56047 In lab rack 56051 In lab rack A84129 In lab rack 90768 In lab rack A43125 In lab rack A84121 In lab rack 62117 In lab rack A28374 In lab rack 90748 In lab rack A43146 In lab rack