^ From:	MARVIN::HEALEY "Brendan Healey, PSI, 830 6306  19-Apr-1990 2005" 19-APR-1990 20:06:38.82 To:	SQGUK::WOOD  CC:	+ Subj:	VAX P.S.I. Cover letter (text format)                        DIGITAL               J                                                                April, 1990    &           VAX P.S.I. V4.3 Cover Letter  G           This cover letter includes information not found elsewhere in J           the VAX P.S.I. V4.3 documentation. Please read this cover letter<           before you install or use the VAX P.S.I. software.  4           KMV1A, KMS1P and KMS11 Synchronous Devices  G           VAX P.S.I. supports many different synchronous communications J           options, some of which overlap in functionality. The synchronousD           device drivers are being restructured to use common driverG           source code. Some older options are incompatible with the new F           driver structure. Consequently, within 9-15 months time, VAXE           P.S.I. will withdraw support for the KMV1A, KMS1P and KMS11 E           synchronous devices as part of a program to rationalise the @           range of synchronous communications options supported.  G           Customers using KMV1A devices should consider moving to DSV11 F           devices, while customers with KMS1P and KMS11 devices shouldE           consider moving to DMF32 devices. To help customers move to H           these replacement devices, trade-in programs may be available.J           Please contact your local Digital sales office for more informa-           tion.           J                                                                          1                 +           Public Network Information Manual   F           The Public Network Information (AD-KL20A-TK) manual includesD           information about all the public networks supported by VAXI           P.S.I. V4.3. Please note that this manual includes two updates:   F           o  Addendum 1 (AD-KL20A-T1) contains information about PSDNsG              supported since the original manual was published. It also 0              contains new front and back covers.  F           o  Addendum 2 (AD-KL20A-T2) contains information about PSDNs6              supported since Addendum 1 was published.  D           Please add and replace the appropriate pages of the PublicG           Network Information manual using Addendum 1 before adding and E           replacing the pages using Addendum 2. This will ensure that D           your Public Network Information manual contains the latestJ           information about supported PSDNs in the correct order. A largerE           binder is included in your documentation kit to contain the 5           complete Public Network Information manual.   J                                                                AV-PC6HA-TE  ;           Copyright  1990 by Digital Equipment Corporation                                          2 