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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) AND
(c) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b)
CONCENTRIC NETWORK CORPORATION
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(NAME OF ISSUER)
COMMON STOCK, $0.01 PAR VALUE
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(TITLE OF CLASS OF SECURITIES)
20589R 10 7
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(CUSIP NUMBER)
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CUSIP NO. 20589R 10 7 SCHEDULE 13G Page 2 of 6 Pages
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<S> <C> <C> <C>
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
RACAL-DATACOM, INC.
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a)[ ]
(b)[ ]
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
5 SOLE VOTING POWER
Number of 1,025,349
Shares
Beneficially
Owned by 6 SHARED VOTING POWER
Each
Reporting 0
Person
With 7 SOLE DISPOSITIVE POWER
1,025,349
8 SHARED DISPOSITIVE POWER
0
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,025,349
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES [ ]
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.2%
12 TYPE OF REPORTING PERSON
CO
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ITEM 1(A). NAME OF ISSUER.
Concentric Network Corporation
ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES.
10590 Worth Tantail Avenue, Cupertino, CA 95014
ITEM 2(A). NAME OF PERSON FILING.
Racal-Datacom, Inc.
ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE.
1601 North Harrison Parkway, Sunrise, Florida 33323
ITEM 2(C). CITIZENSHIP.
Delaware
ITEM 2(D). TITLE OF CLASS OF SECURITIES.
Common Stock, par value $.01 per share.
ITEM 2(E). CUSIP NUMBER.
20589R 10 7
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B), OR
13D-2(B), CHECK WHETHER THE PERSON FILING IS A:
(a) [ ] Broker or dealer registered under Section 15 of
the Act,
(b) [ ] Bank as defined in Section 3(a)(6) of the Act,
(c) [ ] Insurance Company as defined in Section 3(a)(19)
of the Act,
(d) [ ] Investment Company registered under Section 8 of
the Investment Company Act,
(e) [ ] Investment Adviser registered under Section 203
of the Investment Advisers Act of 1940,
(f) [ ] Employee Benefit Plan, Pension Fund which is
subject to the provisions of the Employee
Retirement Income Security Act of 1974 or
Endowment Fund; see 13d-1(b)(1)(ii)(F),
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(g) [ ] Parent Holding Company, in accordance with Rule
13d-1(b)(ii)(G); see Item 7,
(h) [ ] Group, in accordance with Rule
13d-1(b)(1)(ii)(H).
N/A
ITEM 4. OWNERSHIP.
If the percent of class owned, as of December 31 of the
year covered by the statement, or as of the last day of any month
described in Rule 13d-1(b)(2), if applicable, exceeds five
percent, provide the following information as of that date and
identify those shares which there is a right to acquire.
(a) Amount beneficially owned:
1,025,349
(b) Percent of Class:
7.2%
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote:
1,025,349
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the
disposition of:
1,025,349
(iv) Shared power to dispose or to direct the
disposition of:
0
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
If this statement is being filed to report the fact that
as of the date hereof the reporting person has ceased to be the
beneficial owner of more than five percent of the class of
securities, check the following [ ].
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
None.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.
N/A.
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ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
N/A.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP.
N/A.
ITEM 10. CERTIFICATION.
N/A.
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SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
RACAL-DATACOM, INC.
February 17, 1998
By: /s/ Paul Kozlowski
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Paul Kozlowski -- President
