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P300H P300 Series Modem Installation and Operating Handbook Page 194
APPENDIX C3: FEATURES ON DEMO EXPIRE SOON
** IF YOU HAVE BEEN REFERRED TO THIS SECTION BY A MESSAGE **
** ON THE EQUIPMENT DISPLAY, THEN THIS IS VERY IMPORTANT **
The modem is warning you that at least one of the features the modem is using in order to operate
as configured is due to expire soon. This means that after expiry, it will cease to function as
configured, and one or several of the features required for how it is currently configured will no
longer be available.
This Temporary Features mode is usually used to allow customers to evaluate features (eg Drop/Insert,
Reed-Solomon) for a finite duration after which the modem reverts back to its standard feature set. Please
refer to section C2 to further explain this topic and a description of how to determine which features are
required in order to continue operation.
!! DO NOT IGNORE THIS MESSAGE !!
If the features are still in use when the time limit expires then the modem will change it's configuration so
it does not require the features which have timed out, and if this in turn causes a change to the transmitted
carrier then the carrier will be muted. A message stating “Features not available” will then be displayed
showing the letters corresponding to the features which are no longer available. If for any reason you need
to keep a modem configuration after timeout (eg to re-use it), then use the configuration memories to store
the current configuration before it times out and is changed, and recall it after the features are available
again (eg if you instigate a feature test or have a feature code upgrade).
APPENDIX C4: ASYMMETRIC LOOP TIMING
All P300 Series modems have this asymmetric loop timing facility.
APPENDIX C5: UPGRADE AVAILABLE
Again this section is not applicable to the P300 series modems.
APPENDIX C6: FEATURES NOT AVAILABLE
You have been directed to this appendix by a message on the equipment display, as the unit has detected
it has been configured to use features which it cannot provide. This is as a result of one of the following:
1) It has been programmed over the remote M&C to use features which it cannot provide. This cannot
happen with local control, as locally the configuration screens do not show features which are not
available.
2) It was configured to use a certain feature which is no longer available (see Temporary Features
or Test Features in Appendix C2)
Please refer to Appendix C2 (previous page) for a description of the feature list (shown as a series of
letters) on the equipment display.