Canon iR C6800 Series Service Handbook page 125

Chapter 6
[9]
F-6-2
[1] iR Security Kit
[2] SEND Expansion Kit D1P/D1U (dongle for extended functions)
[3] Image Conversion Board-A2
[4] USB Interface Board-A3, or TokenRing Board (optional for 120V model)
[5] UFR Board (standard for N model)
[6] Ethernet Board (standard)
[7] Super G3 Fax Board-P1 (optional for 100V model)
[8] PS Print Sever Unit-D1
[9] Color iR 256 MB Expansion RAM (optional for 100V)
[10] PDL Expansion Kit (LIPS) C1 (for 100V model, LIPS model boot ROM)
6-115