APS-8M / APS-16M Asynchronous Port Switches; User’s Guide
Command Function/Options
In Information Request
I0 Display default speed and controller firmware version.
I1 Calculate and display ROM checksum (e.g., 12AB.)
I2 Check ROM and verify the checksum, displaying OK or ERROR
I3 Display default speed and controller firmware version.
I4 Display firmware version for data pump (e.g., 94.)
I5 Display the board ID: software version, hardware version, and country ID.
I9 Display the country code.
I11 Display diagnostic information for the last modem connection, such as link type, line speed, type of error correction / data compression, number of
past retrains, etc. &En XON/XOFF Pacing Control.
*&E12 Disables XON/XOFF pacing. &E13 Enables XON/XOFF pacing.