Dell 3115cn Color Laser Printer - Manual (Page 522)

Concentration of ozone 0.019 mg/m 3
Cables
Your interconnection cable must meet the following requirements:
Connection type
Connection specifications and symbols
1 Wall jack connector
2 Phone connector
3 USB USB2.0
4 Parallel IEEE 1284
5 Wireless IEEE802.11b/802.11g
6 Ethernet 10 Base-T/100 Base-TX