||Tips to Identify
|(RS232 / Serial Interface)
- Number of pinholes on printer side: 25 (13 on one row and 12 on the second row)
- 2 screwholes on the sides of the connector
- Also called a "RS232" interface. Sometimes "RS232" is written on the face of the connector
|(Parallel / Centronics Parallel Interface)
- Number of teeth/pins on printer side: 36 (18 on one row and 18 on the second row)
- Swinging clips or "butterfly" clips on the sides of the connector
- Also called a "Centronics Parallel" interface.
- Connector looks like a long rectangular "smile".
- Square shaped connection with 2 rounded corners
- Has the USB root symbol which looks like a tree with 2 branches coming from the sides
|(Ethernet / LAN Interface)
- Square shaped connector with two LEDs on top or bottom
- Connector will often say "10/100/1000" which refers to the data transfer speed of the connection (10Mbits, 100Mbits,1000Mbits)
- Looks similar to a phone jack connection but noticabely wider.