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This is a Johnson Controls Metasys MS-NCE2560-0 Network Control Engine (NCE25), Rev J, with the label showing S/W Ver 5.0. The NCE25 combines a Metasys supervisory engine with 33 points of onboard I/O: 10 universal inputs, 8 binary inputs, 7 binary outputs, 4 analog outputs and 4 configurable outputs. It runs on 24 VAC at 25 VA and supports an MS/TP field trunk. Connections include an RS-232C DB9 serial port, Ethernet, USB, front FC Bus and SA Bus RJ jacks, the FC Bus and SA Bus terminal blocks, and the FC EOL switch.
The unit is complete as shown. The backup battery and battery cover are installed, and every terminal plug is present, including the 24 VAC power plug, all input and output plugs, and the SA Bus and FC Bus plugs. Both DIN rail clips are present on the back, along with the Windows Embedded CE license label.

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