Epson PowerLite S11

10 Security lock port
11 Video port
12 AC input port
PowerLite X15
1 Remote control receiver
2 S-Video port
3 Audio Out port
4 USB TypeB port
5 Computer1 port
6 Computer2 port
7 HDMI port
8 Lamp cover screw
9 Security lock port
10 RS-232C serial port
11 Audio port
12 AC input port
18