Hall Research Technologies, Switch, models:

4-to-1 KM	User Manual
KVM-HDU-4	User Manual
KVM-U4	User Manual
KVMC-UH-8	User Manual
KVMC-UH-8-UHD	User Manual
MC1208	User Manual
MC4-H2	User Manual
SC-1080R	User Manual
SC-12BT	User Manual
SC-3H	User Manual Software User'S Manual
SC-PRE-9A	User Manual
SSW-HD-4	User Manual
SW-HD-4	User Manual
SW-HD-4A	User Manual
UHB-SW2	User Manual
UHBX-SW3	Quick Start Manual
UHBX-SW3-S	Quick Start Manual
UHBX-SW3-WP	Quick Start Manual
URA-232	User Manual
UV232A-4S	User Manual
VS-2A-PRG	Manual
VSM-A-4-4	User Manual