EXHIBIT 10.22


                               FIRST AMENDMENT TO
               AMENDED AND RESTATED CREDIT AND SECURITY AGREEMENT
                    (EXIMBANK GUARANTEED LOAN NO. AP072433XA)

            This Amendment, dated as of June 22, 1998, is made by and between
RSI SYSTEMS, INC., a Minnesota corporation ("the Borrower") and NORWEST BANK
MINNESOTA, NATIONAL ASSOCIATION, a national banking association (the "Lender").

                                    Recitals

            The Borrower and the Lender have entered into an Amended and
Restated Credit and Security Agreement dated as of April 16, 1998 (the "Credit
Agreement"). Capitalized terms used in these recitals have the meanings given to
them in the Credit Agreement unless otherwise specified.

            The Borrower has requested that the Lender extend the Maturity Date
by one year and make other amendments to the Credit Agreement. The Lender is
willing to grant the Borrower's request pursuant to the terms and conditions set
forth herein.

            NOW, THEREFORE, in consideration of the premises and of the mutual
covenants and agreements herein contained, it is agreed as follows:

            1. Defined Terms. Capitalized terms used in this Amendment which are
defined in the Credit Agreement shall have the same meanings as defined therein,
unless otherwise defined herein. In addition, Section 1.1 of the Credit
Agreement is amended by adding or amending, as the case may be, the following
definitions:

            "'Maturity Date' means June 24, 1999."

            2. No Other Changes. Except as explicitly amended by this Amendment,
all of the terms and conditions of the Credit Agreement shall remain in full
force and effect and shall apply to any advance or letter of credit thereunder.

            3. Fees.

            (a) RENEWAL FEE. The Borrower hereby agrees to pay the Lender a
      fully earned and non-refundable renewal fee of one percent (1%) of the
      Maximum Line, due and payable due and payable upon the execution of this
      Agreement.

            (b) APPLICATION FEE. The Borrower shall reimburse the Lender for the
      $100 application fee payable to Eximbank in connection with the renewal
      application.

            4. Conditions Precedent. This Amendment shall be effective when the
Lender shall have received an executed original hereof, together with each of
the following, each in substance and form acceptable to the Lender in its sole
discretion:

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            (a) A Certificate of the Secretary of the Borrower certifying as to
      (i) the resolutions of the board of directors of the Borrower approving
      the execution and delivery of this Amendment, (ii) the fact that the
      articles of incorporation and bylaws of the Borrower, which were certified
      and delivered to the Lender pursuant to its Certificate of Authority dated
      as of June 26, 1997 continue in full force and effect and have not been
      amended or otherwise modified except as set forth in the Certificate to be
      delivered, and (iii) certifying that the officers and agents of the
      Borrower who have been certified to the Lender, pursuant to the
      Certificate of Authority dated as of June 26, 1997, as being authorized to
      sign and to act on behalf of the Borrower continue to be so authorized or
      setting forth the sample signatures of each of the officers and agents of
      the Borrower authorized to execute and deliver this Amendment and all
      other documents, agreements and certificates on behalf of the Borrower.

            (b) The SBA/Eximbank Joint Application, properly completed and
      executed by the Borrower.

            (c) An Exceptions Approval Letter, properly signed by Eximbank.

            (d) Payment of the fee described in Paragraph 3.

            (e) Receipt by the Lender of the executed Loan Authorization Notice.

            (f) Such other matters as the Lender may require.

            5. Representations and Warranties. The Borrower hereby represents
and warrants to the Lender as follows:

            (a) The Borrower has all requisite power and authority to execute
      this Amendment and to perform all of its obligations hereunder, and this
      Amendment has been duly executed and delivered by the Borrower and
      constitutes the legal, valid and binding obligation of the Borrower,
      enforceable in accordance with its terms.

            (b) The execution, delivery and performance by the Borrower of this
      Amendment have been duly authorized by all necessary corporate action and
      do not (i) require any authorization, consent or approval by any
      governmental department, commission, board, bureau, agency or
      instrumentality, domestic or foreign, (ii) violate any provision of any
      law, rule or regulation or of any order, writ, injunction or decree
      presently in effect, having applicability to the Borrower, or the articles
      of incorporation or by-laws of the Borrower, or (iii) result in a breach
      of or constitute a default under any indenture or loan or credit agreement
      or any other agreement, lease or instrument to which the Borrower is a
      party or by which it or its properties may be bound or affected.

            (c) All of the representations and warranties contained in Article V
      of the Credit Agreement are correct on and as of the date hereof as though
      made on and as

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      of such date, except to the extent that such representations and
      warranties relate solely to an earlier date.

            6. References. All references in the Credit Agreement to "this
Agreement" shall be deemed to refer to the Credit Agreement as amended hereby;
and any and all references in the Security Documents to the Credit Agreement
shall be deemed to refer to the Credit Agreement as amended hereby.

            7. No Waiver. The execution of this Amendment and acceptance of any
documents related hereto shall not be deemed to be a waiver of any Default or
Event of Default under the Credit Agreement or breach, default or event of
default under any Security Document or other document held by the Lender,
whether or not known to the Lender and whether or not existing on the date of
this Amendment.

            8. Release. The Borrower, hereby absolutely and unconditionally
releases and forever discharges the Lender, and any and all participants, parent
corporations, subsidiary corporations, affiliated corporations, insurers,
indemnitors, successors and assigns thereof, together with all of the present
and former directors, officers, agents and employees of any of the foregoing,
from any and all claims, demands or causes of action of any kind, nature or
description, whether arising in law or equity or upon contract or tort or under
any state or federal law or otherwise, which the Borrower has had, now has or
has made claim to have against any such person for or by reason of any act,
omission, matter, cause or thing whatsoever arising from the beginning of time
to and including the date of this Amendment, whether such claims, demands and
causes of action are matured or unmatured or known or unknown.

            9. Costs and Expenses. The Borrower hereby reaffirms its agreement
under the Credit Agreement to pay or reimburse the Lender on demand for all
costs and expenses incurred by the Lender in connection with the Credit
Agreement, the Security Documents and all other documents contemplated thereby,
including without limitation all reasonable fees and disbursements of legal
counsel. Without limiting the generality of the foregoing, the Borrower
specifically agrees to pay all fees and disbursements of counsel to the Lender
for the services performed by such counsel in connection with the preparation of
this Amendment and the documents and instruments incidental hereto. The Borrower
hereby agrees that the Lender may, at any time or from time to time in its sole
discretion and without further authorization by the Borrower, make an Advance
under the Credit Agreement, or apply the proceeds of any Advance, for the
purpose of paying any such fees, disbursements, costs and expenses and the fee
required under paragraph 3 hereof.

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            10. Miscellaneous. This Amendment may be executed in any number of
counterparts, each of which when so executed and delivered shall be deemed an
original and all of which counterparts, taken together, shall constitute one and
the same instrument.

            IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed as of the date first written above.

NORWEST BANK MINNESOTA,                   RSI SYSTEMS, INC.
  NATIONAL ASSOCIATION

By                                        By
   -----------------------------------       -----------------------------------
   Christopher A. Cudak                      Donald C. Lies
   Its Vice President                        Its President and Chief Executive
                                                 Officer