Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_609 ( "Model number" text, "Printer ports" text, "Network ports" text, "Network protocols" text, "Firmware" text, "Notes" text )

### Question ###
What's the type of printer ports in the model number EX Plus3?

### Accurate SQL ###

SELECT "Printer ports" FROM table_609 WHERE "Model number" = 'EX Plus3'