Multi-Tech Systems MT4X56USB - Manual (Page 10)

MultiModemUSB User Guide
MT4X56USB 10
Back Panel
The cable connections for the MT4X56USB are made at the back panel. Three groups of cables are
used; four ports for RJ-11 modem connections, two types of USB connections, and a power
connection. The cable connections are shown in Figure 1-3 and defined in the following groups.
USB - A POWER USB - B
Port 1 Port 2 Port 4 Port 3
Figure 1-3. Back Panel
RJ-ll Modem Connector
The four RJ-11 modem connectors connect the MT4X56USB to computers or network servers.
USB Type A (Upstream) Connector
The USB Type A (Upstream) connector connects the MT4X56USB to devices where the external
cable is permanently attached (e.g., input hubs or other MT4X56USBs).
USB Type B (Downstream) Connector
The USB Type B (Downstream) connector connects the MT4X56USB to devices where the external
cable is detachable (e.g., peripherals such as computers, printers, scanners, modems, or output hubs,
etc.).
Power Connector
The power is supplied by a UL Listed Direct Plug-In Power Unit marked “Class 2” and rated 5V DC/5A,
100-240V, 47-63Hz if used in the U.S. and Canada; or, a power supply with similar rating and
approved by your local safety code if it is used elsewhere.