UNITED STATES

SECURITIES & EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No )*

Pinnacle Data Systems, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

723454104

(CUSIP Number)

Alexander H. McMillan, Esq.

c/o Loeb Partners Corporation

61 Broadway, New York, N.Y. 10006 (212) 483-7069

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

January 2, 2011

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[ ] Rule 13d-1(b)

[X] Rule 13d-1(c)

[ ] Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

032080.0003 EAST 7937446 v5

CUSIP No.			723454104

1. Name of Reporting Person			Loeb Arbitrage Management LP

I.R.S. Identification No. of Above Person

2. Check the Appropriate Box if a Member of a Group			(a) [X]
			(b) [ ]

3. SEC Use Only

4. Citizenship or Place of Organization			Delaware
Number of Shares Beneficially Owned by Each Reporting Person With
	5. Sole Voting Power	-0-

	6. Shared Voting Power	33,665

	7. Sole Dispositive Power	-0-

	8. Shared Dispositive Power	33,665

9. Aggregate Amount of Beneficially Owned by Each Reporting Person				33,665

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares				[ ]

11. Percent of Class Represented by Amount in Row (9)				0.43 %

12. Type of Reporting Person				IA, PN

CUSIP No.			723454104

1. Name of Reporting Person			Loeb Offshore Management LP

I.R.S. Identification No. of Above Person

2. Check the Appropriate Box if a Member of a Group			(a) [X]
			(b) [ ]

3. SEC Use Only

4. Citizenship or Place of Organization			Delaware
Number of Shares Beneficially Owned by Each Reporting Person With
	5. Sole Voting Power	-0-

	6. Shared Voting Power	599,705

	7. Sole Dispositive Power	-0-

	8. Shared Dispositive Power	599,705

9. Aggregate Amount of Beneficially Owned by Each Reporting Person				599,705

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares				[ ]

11. Percent of Class Represented by Amount in Row (9)				7.60 %

12. Type of Reporting Person				IA, PN

CUSIP No.			723454104

1. Name of Reporting Person			Loeb Arbitrage Offshore Partners, Ltd.

I.R.S. Identification No. of Above Person

2. Check the Appropriate Box if a Member of a Group			(a) [X]
			(b) [ ]

3. SEC Use Only

4. Citizenship or Place of Organization			Cayman Islands
Number of Shares Beneficially Owned by Each Reporting Person With
	5. Sole Voting Power	599,705

	6. Shared Voting Power	-0-

	7. Sole Dispositive Power	599,705

	8. Shared Dispositive Power	-0-

9. Aggregate Amount of Beneficially Owned by Each Reporting Person				599,705

10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares				[ ]

11. Percent of Class Represented by Amount in Row (9)				7.60%

12. Type of Reporting Person				CO

Item 1(a).		Name of Issuer

Pinnacle Data Systems, Inc.

Item 1(b).		Address of Issuer’s Principal Executive Offices:

6600 Port Road Groveport, OH 43125 United States

Item 2(a).		Name of Person(s) Filing

Loeb Arbitrage Management LP (“LAM”) Loeb Offshore Management LP (”LOM”) Loeb Arbitrage Offshore Partners, Ltd. (“LAOP”)

Item 2(b).		Address of Principal Business Office

All filing person(s) and associated investment advisors referenced herein are located at: 61 Broadway, 24th Floor New York, NY 10006

Item 2(c)		Citizenship or Place of Organization

LAM and LOM are limited partnerships organized under the laws of the State of Delaware. LAOP is a Cayman Islands exempted company.

Item 2(d).		Title of Class of Securities

		Common Stock

Item 2(e).		CUSIP Number:

		723454104


Item 3.	If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or (c), check whether the person is filing a:

(a) [ ] A broker or dealer under Section 15 of the 1934 Act

(b) [ ] A bank as defined in Section 3(a)(6) of the 1934 Act

(d) [ ] An investment company registered under Section 8 of the Investment Company Act of 1940

(e) [ ] An investment advisor in accordance with Rule 13d-1(b)(1)(ii)(E)

(f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F)

(g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G)

(h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act

(i) [ ] A church plan that is excluded from the definition of Investment Company under Section 3(c)(14) of the Investment Company Act of 1940

(j) [ ] A group, in accordance with Rule 13d-1(b)(1)(ii)(J)


Item 4.	Ownership

(a)	Amount Beneficially Owned:

	See Item 9 of cover pages.

(b)	Percent of Class:

	See Item 11 of cover pages.

(c)	Number of shares as to which the person has:

	(i)	sole power to vote or to direct the vote
	(ii)	shared power to vote or to direct the vote
	(iii)	sole power to dispose or to direct the disposition
	(iv)	shared power to dispose or to direct the disposition

	See Items 5-8 of cover pages.


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

	Not Applicable.

Item 7.	Identification and Classification of the Subsidiary which Acquired the Security being Reported on by the Parent Holding Company or Control Person

	Not Applicable.

Item 8.	Identification and Classification of Members of the Group

	LAM and LOM are registered investment advisers. LAM or LOM may invest on behalf of itself and clients for which it has investment discretion. LAOP’s registered investment advisor is Loeb Offshore Management LP (“LOM”), a Delaware limited partnership.

Item 9.	Notice of Dissolution of Group

	Not applicable.

Item 10.	Certification

	By signing below each of the Reporting Persons certify that, to the best of such person's knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the Issuer of such securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.

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.

		LOEB ARBITRAGE MANAGEMENT LP

Date: January 10, 2012		By:_ /s/ Alexander H. McMillan
		Alexander H. McMillan
		Vice President


		LOEB OFFSHORE MANAGEMENT LP

Date: January 10, 2012		By:_ /s/ Alexander H. McMillan
		Alexander H. McMillan
		Vice President


		LOEB ARBITRAGE OFFSHORE PARTNERS, LTD.

Date: January 10, 2012		By:_ /s/ Alexander H. McMillan
		Alexander H. McMillan
		Vice President

EXHIBIT 1

JOINT ACQUISITION STATEMENT

PURSUANT TO RULE 13d-1(k)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

		LOEB ARBITRAGE MANAGEMENT LP

Date: January 10, 2012		By:_ /s/ Alexander H. McMillan
		Alexander H. McMillan
		Vice President



		LOEB OFFSHORE MANAGEMENT LP

Date: January 10, 2012		By:_ /s/ Alexander H. McMillan
		Alexander H. McMillan
		Vice President



		LOEB ARBITRAGE OFFSHORE PARTNERS, LTD.

Date: January 10, 2012		By:_ /s/ Alexander H. McMillan
		Alexander H. McMillan
		Vice President

PINNACLE DATA SYSTEMS INC SC 13G