Ricoh Aficio SP 5210DN Hardware Manual page 220

11. Appendix
Memory Unit Type I 512 MB
Module Type:
DIMM (Dual-in-line Memory Module)
Memory Type:
DDR-SDRAM (Double Data Rate Synchronous Dynamic RAM)
Number of Pins:
200 pins
Gigabit Ethernet Board Type A
Interface Connector:
Ethernet (10BASE-T, 100BASE-TX, 1000BASE-T)
USB 2.0
To use USB 2.0, a USB computer port and cable that support USB 2.0 are required.
Data Transmission Speed: Ethernet: 10 Mbps, 100 Mbps, 1000 Mbps
USB: 480 Mbps (High speed: USB 2.0), 12Mbps (Full speed)
Protocol:
TCP/IP, IPX/SPX, AppleTalk
Maximum Length of Cable Between Devices:
Ethernet: 100 m
USB: 5 m
IEEE 802.11a/g Interface Unit Type M
Transmission Specification:
Based on IEEE 802.11a/b/g (Wireless LAN)
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Data Transfer Speed:
Auto select from the following speed:
1 Mbps, 2 Mbps, 5.5 Mbps, 6 Mbps, 9 Mbps, 11 Mbps, 12 Mbps, 18 Mbps, 24 Mbps, 36 Mbps,
48 Mbps, 54 Mbps
Frequency Range:
2412 to 2472 Mhz (1 to 13 Channels)
5180 to 5240 Mhz (36, 40, 44 and 48 Channels)
The channel in use might differ depending on the country.
The following channels are available : 2412 - 2462 Mhz (1-11 Channels)
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(mainly Europe and Asia)