UTAH SCIENTIFIC MX-Hub User manual

Wednesday, May 16, 2007
Page 1
MX cable from one of the system
controller MX bus connections. This
cable overall length can not exceed 300'.
Note: Maximum MX cable length is 300' from the controller and an additional
300' from the MX-hub. All MX ports must be terminated either on the
controller chassis, the MX-hub or on the last router frame in the sequence.
Green = power okay Green = MX bus active
SC Control System MX-Hub
Router
Frame
Router
Frame
Router
Frame
Router
Frame
MX
cable
MX
Terminator
Port 1
Port 0
Port 3
Port 2
Port 4
MX Terminator
8 supplied MX-bus
terminators. USI
part #70797-1
USI Part #80263-3
Customer
Service
800-447-7204

Wednesday, May 16, 2007
Page 2
Green = Power
okay
Green = U-Net port active
Green = U-Net hub receiving
data from SC-4/400
8) U-Net
Terminators are
supplied. USI
Part # 65324-04
The U-Net control bus supports a maximum of 255 control panels. The
use of a U-Net hub does not increase the total number of panels
supported, it only increases the potential length of the U-Net CAT-5 cable.
Connect to U-Net port on
the SC-4 or SC-400 frame
using standard CAT-5
cable. Maximum length
from SC-4/400 frame to this
connection 1000'.
Redundant power
supply connectors.
Each port may have up to 32 control panels
and a maximum of 1000' of CAT-5 cable. All
ports must be terminated either on the U-Net
hub or the control panel.
SC Control System
U-Net
Hub
Router
Control
Panel
Router
Control
Panel
Router
Control
Panel
Cat-5
Cable
U-Net
Terminator
Port 1
Port 0
Port 5
Port 2
Port 6
U-Net Terminator
Port 3 Port 4
Router
Control
Panel
Port 8 Port 7
U-Net
Terminator
USI Part #80263-2