Polycom DOC2557A - Manual (Page 13)

Polycom RMX 1500 Hardware Guide
1-9
The parameters in the lan.cfg file are uploaded from the USB key to
the RMX’s memory and applied during the power-up sequence.
System power-up sequence may take up to five minutes.
During the First-time Power-up the red ERROR LED on the RMX’s
front panel remains ON until both the Management and IP Network
Services have been defined.
When the RMX's configuration is completed (including the
Management and IP Network Services), and if there are no System
Errors, the green READY LED (on the RMX’s front panel) turns ON.
3 Remove the USB key. For more information see, the RMX 1500/2000/
4000 Getting Started Guide, "Hardware Description", "Procedure 4:
Modifying the Default IP Service and ISDN/PSTN Network Service
Settings” on page 2-22