Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
STT COMMUNICATIONS LTD
   2. Issuer Name and Ticker or Trading Symbol
EQUINIX INC [EQIX] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
51 CUPPAGE ROAD, #10-11/17 STARHUB CENTRE		 3. Date of Earliest Transaction (Month/Day/Year)
11/07/2005
(Street)

SINGAPORE, U0 229469		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
CONVERTIBLE SECURED PROMISSORY NOTES $ 9.1779 11/07/2005   C     $ 2,208,007.87 (1)   (2) 11/01/2007 SERIES A CONVERTIBLE PREFERRED STOCK (3) 240,578 $ 2,208,007.87 0 I By subsidiary (4)
PREFERRED STOCK WARRANT $ 0.01 11/07/2005   C     965,674 12/31/2002 12/31/2007 SERIES A CONVERTIBLE PREFERRED STOCK 965,674 $ 9,656.74 0 I By subsidiary (4)
SERIES A CONVERTIBLE PREFERRED STOCK (5) 11/07/2005   C   1,206,252   11/07/2005   (6) COMMON STOCK 1,206,252 (6) 3,074,919 (7) I By subsidiary (4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
STT COMMUNICATIONS LTD
51 CUPPAGE ROAD
#10-11/17 STARHUB CENTRE
SINGAPORE, U0 229469		     X    
i-STT INVESTMENTS PTE. LTD.
51 CUPPAGE ROAD
#10-11/17 STARHUB CENTRE
SINGAPORE, U0 229469		     X    
SINGAPORE TECHNOLOGIES TELEMEDIA PTE LTD
51 CUPPAGE ROAD
#10-11/17 STARHUB CENTRE
SINGAPORE, U0 229469		     X    
TEMASEK HOLDINGS (PRIVATE) LTD
60B ORCHARD ROAD, THE ATRIUM@ORCHARD
#06-18 TOWER 2
SINGAPORE, U0 238891		     X    

Signatures

 /s/ Pek Siok Lan, Company Secretary, STT COMMUNICATIONS LTD   11/09/2005
**Signature of Reporting Person Date
 /s/ Pek Siok Lan, Director, i-STT INVESTMENTS PTE. LTD.   11/09/2005
**Signature of Reporting Person Date
 /s/ Pek Siok Lan, Company Secretary, SINGAPORE TECHNOLOGIES TELEMEDIA PTE LTD   11/09/2005
**Signature of Reporting Person Date
 /s/ Chia Yue Joo, Managing Director, Legal & Regulations, TEMASEK HOLDINGS (PRIVATE) LIMITED   11/09/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This is the face amount of the Convertible Secured Promissory Notes (the "Notes") expressed in U.S. dollars. The total also reflects $144,056.96 and $5,994.37 in PIK notes acquired by i-STT Investments Pte. Ltd. on November 1, 2005 and November 7, 2005, respectively. Such acquisitions were exempt pursuant to Rule 16a-9 and 16b-6.
(2) $5,994.37 exercisable on November 7, 2005, $144,056.96 exercisable on November 1, 2005, $134,632.53 exercisable on May 1, 2005 and $1,923,324.01 exercisable on January 11, 2005.
(3) Pursuant to the terms of the Securities Purchase Agreement under which the Notes were acquired by the Reporting Persons (the "Purchase Agreement"), the Notes may also be converted into Series A Convertible Preferred Stock of the Issuer upon the fulfillment of certain conditions set forth in the Purchase Agreement. Upon the fulfillment of these conditions, the securities underlying the Notes may be either Series A-1 Convertible Preferred Stock or Series A Convertible Preferred Stock.
(4) STT Communications Ltd, a wholly-owned subsidiary of Singapore Technologies Telemedia Pte Ltd, a wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek"), has an indirect interest in the securities reported herein by virtue of its ownership interests in i-STT Investments Pte. Ltd., which is the record holder of the securities of the Issuer reported herein. Temasek disclaims beneficial ownership of such securities except to the extent of its pecuniary interest herein.
(5) The Series A Convertible Preferred Stock is convertible into Common Stock of the Issuer on a 1-for-1 basis.
(6) Not applicable.
(7) The total also reflects 1,868,667 shares of the Series A Convertible Preferred Stock owned by i-STT Investments Pte. Ltd. and reported on a Form 4 dated January 3, 2003.

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