RULES 424(b)(3) AND 424(c)
REGISTRATION NO. 333-22257
PROSPECTUS SUPPLEMENT
DATED FEBRUARY 17, 2000
TO PROSPECTUS DATED MARCH 10, 1997
DATATEC SYSTEMS, INC.
THE ATTACHED PROSPECTUS FOR DATATEC SYSTEMS, INC., FORMERLY KNOWN AS GLASGAL
COMMUNICATIONS, INC. (THE "COMPANY") IS HEREBY SUPPLEMENTED AS FOLLOWS:
The party listed below (the "Transferor"), which is listed herein as a
Selling Stockholder, has assigned and transferred to the parties listed below
(the "Transferees") warrants options to purchase the number of shares of the
Company's common stock set forth opposite their names below (the "Warrants").
Number of Shares of Common
Name of Transferor Stock Issuable Upon Exercise
- ------------------ ----------------------------
Southbrook International Investments, Ltd. 175,000
The following table sets forth certain information with respect to the
Transferees and shall be added to the Selling Stockholders table beginning on
page 11 of the prospectus. None of the Transferees is an affiliate of the
Company nor has any had a material relationship with the Company during the past
three years.
<TABLE>
<CAPTION>
No. of Shares
of Common Stock No. of
Beneficially Owned at Shares Shares Beneficially Owned
Name February 16, 2000(1) Offered(1) After Offering(2)
- --------------- --------------------- ---------- -------------------------
<S> <C> <C> <C>
Strong River Investments, Inc....... 168,875 168,875 *
Trippoak Advisors, Inc.............. 6,125 6,125 *
</TABLE>
* Less than 1%.
(1) Consists solely of Common Stock issuable to the Selling Shareholder
upon the exercise of currently exercisable warrants to purchase shares
of Common Stock at an exercise price of $5.25 per share.
(2) Assumes that all Common Stock offered by the Selling Stockholders is
sold.
