22 MX 900 Series Installation Guide
May 13, 2015
Additional I/O Module Functionality
■ All but the first and fifth I/O modules have the same DC power jack
currently used on the MX products.
■ I/O modules each have a unique ID in EEPROM (programmed in the
factory) that allows the software to detect the available ports.
USB Ports
■ High Speed USB On-The-Go (OTG) connector
– 10P10C style connector (also known unofficially as a RJ50).
– Accepts both RJ50 plugs and RJ45 plugs.
– Pins 1 and 10 inaccessible to the RJ45.
– Configurable as USB host or device by connecting the correct cable.
– In host mode, may be used to perform a low level system software
recovery.
■ Full Speed USB connector
– Standard USB Type A receptacle on module 3.
– Full speed ports also available on Berg cables connected to modules
1, 2, or 5.
Connection
Module
1
Module
2
Module
3
Module
4
Module
5
Module
6
Power Jack X X X X
Audio Jack XXXXX
Berg with Tailgate X X
Berg without
Ta il ga t e
X
Ethernet X X X
Power Over
Ethernet
X
USB 2.0 OTG X X X
USB 1.1 Host X X
USB 2.0 Device X
COM1 X X
COM2 X X X
WiFi/Bluetooth X
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