Impulse 2223-OEM - Manual (Page 12)

Hardware Description
SeaLATCH™ USB Port
The 2223 integrates a patent-pending SeaLATCH USB port, which is fully
compatible with standard USB cables. When used with the included USB cable with
a SeaLATCH type B USB connector, the metal thumbscrew provides a secure
metal-to-metal connection to the device and prevents accidental cable disconnection.
Status LEDs
Status LEDs on the front of the 2223 indicate the following information:
ƒ MODE (Red or Green) – Indicates the electrical interface selected
o
Green indicates RS-232 mode
o
Red indicates RS-422 or RS-485 mode
ƒ DATA (Green) – Blinks to indicate data is being transmitted or received
ƒ EN[able] (Green) – Lights when the hub is properly powered through the
USB port and communication between the device and host has been enabled.
DB9M Serial Connectors
The 2223 includes two DB9M serial connectors with full modem control signals
implemented in RS-232 mode. Pin outs for these connectors are included in the
following Electrical Specifications section.
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