Callout to table notes

Callouts in the controller image are keyed to reference row entries in the table below it (Figure 5).

Figure 5. Referenced items in table have defined data columns

By default, columns in this table are labeled as below, and are explained as follows:

Reference

The callout number for the item in the controller image. If an option card port, it may use a “1-n” or “2-n” number that relates to option slot 1 or 2 (for those platforms with two option card slots).
Location

Usually either “Base Unit”, “Option Slot1”, or “Option Slot2” (the callout line in the image clarifies).
Description

Text description of the item, whether option card, COM port, or other physical feature.
Any “vendor-unique” option card may incorrectly list, e.g. “Single Port RS-232 Option Card”. We recommend that you verify with the option card’s vendor as to how it lists/appears in this service.
Port Type

If applicable, the type of controller port, e.g. RS-485, RS-232, Ethernet, NDIO (Niagara Direct Input Output), and so on. If not applicable to the referenced item, this field is blank.
Status

If applicable, the disposition of the referenced item. If not applicable, this field is blank.
- If a serial port currently in use in the station, status reads “Owned by entity”, where the entity could be a driver network (say ModbusAsyncNetwork), or low-level driver (say mstp1, for an MstpPort in a BacnetNetwork), or even Serial Shell for a COM1 port—if the serial shell jumper is installed. If a serial port not currently used in the station, status is Available.
- If an Ethernet LAN port, status is either Available (port enabled in controller’s TCP/IP configuration) or Disabled (port not enabled in controller’s TCP/IP configuration).
- Platforms with a “serial shell jumper” have status either Normal Operation or Serial Shell.