GDI SS900FH series, User Manual, Page: 36 / 40

GDI Communications Inc. LLC
“Terminal” Tab
The Terminal tab has the same functionality as a
terminal emulation program.
It can be used to issue AT commands to the
SS900FH.
First issue the “Command Character” three
times.
After the SS900FH returns the “OK” code, AT
commands can be entered.
After all parameters have been configured,
enter ATWR to store them to NVRAM.
Finally enter ATCN to exit command mode.
The SS900FH will not respond to the
Host/Controller if it is left in command mode.
“Range Test” Tab
The “Range Test tab” is used to perform loop-
back testing between two SS900FH modems.
One SS900FH is the source and the other is the
Destination modem with the loop-back
connector installed.
Following is the terminations for the loop-back
connector.
Pin Direction Pin
2 <--------- 3
1 ----------> 7