Siemens SINUMERIK 840D sl Manual page 146

Connectable components
9.4 COM01.3 RS 232C (V.24) module
Type plate
Note
You might need to access the information provided on the type plate after mounting. Since
the type plates after mounting the option board can no longer be read, we recommend that
you at least note down the serial number before mounting.
The following diagram shows you all of the information provided on the type plate.
Figure 9-21
This plate is only visible, when the option board has been removed; it is attached to the
underside of the option board.
Note
The contents of the individual type plate fields on the actual option board may differ from
those described in this manual (e.g. updated product status, approvals and markings not yet
issued, etc.).
LED displays
LED H1 is located under the COM port. This can display the following operating states:
Table 9-71
Color
Orange
Green
Red
146
COM01.3 RS 232C (V.24) module type plate
LED displays, H1
Status Meaning
lit COM01.3 is ready; after reset.
lit COM01.3 is active.
lit Operating error
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1