Product Description
. . . . . (NU-NCM350-1) The NCM350 is functionally the same as the NCM300; however, it can connect to either an ARCNET or Ethernet LAN.
You can upgrade from an NCM300 either by swapping the NU-NCM300-0 for an NCM350, or by upgrading an NU-NCM300-1 at Rev. B or later using the NU-NCM300-1 to NU-NCM350-1 Upgrade Kit (NU-ROM150). Instructions come with the upgrade kit.
Note: Do not attempt to upgrade NU-NCM300-1s at Rev. A hardware or any revisions of NU-NCM300-0s to NCM350s. If you have already tried to upgrade one of these models, choose one of the following options: Replace the ROM SIMM with an NU-ROM101. The NCM is now an NCM300 suitable for ARCNET applications only.
Return the NCM to the repair center for upgrade to NU-NCM350-1. Go to the Products Focus tab and click on Repair Center > NCM3n0Upgrade on The Advisor for details. The physical difference between the NCM300 and the NCM350 is a Flash chip in place of the ROM chip. This Flash chip contains everything that is in the ROM, along with configuration data. The Flash chip also contains information about the ISA drivers, and the user can download additional information to the Flash chip.. Johnson Controls. Johnson Controls. NU-NCM350-701.