Exclusive LED illumination light designed by ATEN to illuminate the keyboard and touchpad to allow visibility in low-light conditions Dual Rail housing with 1U-high design for convenient operation One bus for remote KVM over IP access via the LAN, WAN, or Internet Cascadable up to two levels control up to 128 / 256 servers Panel Array Mode view all 8 or 16 ports at the same time Advanced security features include password protection andadvanced encryption TLS 1.2, 2048-bit RSA, 256-bit AES, 56-bitDES, 168-bit 3DES and 128-bit RC4. Two-level access security administrator, user. Message Board for communication among remote users. Integration with ATEN CC2000 Centralized Management Software CCVSR Video Session Recording Software. Pad Client provides instant, convenient, and secure remoteaccess to control servers through your iPad. (available freeon the Apple Store)