Features:

1 Base & 16 Slaves 
Host device clock auto range: 2.5 MHz - 8 MHz
Fast master <-> slave communication
Automatic restart after power failure
Automatic ATR setup
Optical isolated(*) and breakable slave units to use 5 wire flat cable
Each host device can be switched on/off without disturbing other ports operation
Fast cascaded operation(*)
new: Firmware change/upgrade
new: Combined 5-in-1 slave
Mature and reliable

*NOTE FOR HOME USE ONLY