Advantech ADAM-4520 RS-232 to RS-422 / RS-485 Isolated Converter Module Unit 49Y1870 The 785069-B21 compatible drive is

The 785069-B21 compatible drive is a third-party 900GB 10K RPM 2

The Adaptec ASR-6405E (2271700-R / TCA-00323-01-B) is a 128MB cache SATA/SAS PCIe RAID storage controller with four internal SAS/SATA ports

5" SAS/SATA hot-plug)

It provides 16GB per DIMM slot at DDR2-667 frequency for the HP ProLiant BL260c G5

R210–R930

Advantech ADAM-4520 RS-232 to RS-422 / RS-485 Isolated Converter Module Unit 49Y1870 The 785069-B21 compatible drive isThe Advantech ADAM 4520 is a genuine RS 232 to RS 422 RS 485 isolated serial converter module for industrial communication systems, enabling longer cable distances and improved noise immunity in factory automation, process control, and remote monitoring applications requiring serial protocol bridging. Unlike the ADAM 4520 F (3000VDC isolated with screw terminals and LED indicators), the ADAM 4520 is the standard base model converter in the ADAM 4000