Selling List

We are currently SELLING the following parts:

Manufacturer	Part Number	Description
Cisco	HWIC1FE	cisco new original in sealed b
Sonus Networks	CNA81	Sonus GSX9000HD High Density Optical Circuit Network Adapter (without CPIM81 modules)
HP	281936006	HP 270457-001, BUSBAR, MINI
Cisco	HWIC4T1E1
Juniper Networks	T320FPC3EB	Juniper T320-FPC3-E & new in original Juniper boxes or best offer. 10 of each available
Alcatel	3000609942 Model: MP1042
Sonus Networks	CNS71	Sonus GSX9000HD High Density OC3/STM1 Optical Circuit Server
Cisco	SFP10GLRM Model: MODULE	10GBASE-LRM SFP+ transceiver module for MMF and SMF, 1310-nm wavelength, LC duplex connect
Nortel	NTK557PAE5
Cisco	X210GBSR	1000BASE-LX GBIC Transceiver
Panasonic	KXTA624	PANASONIC ANALOG KSU 3 X
Nortel	NTCA42BA	Nortel Optera Card
Nortel	NT7H80XA
Cisco	HWIC4ESW	cisco ne woriginal in seale d
Cisco	VWIC1MFTG703	100BASE-FX SFP SMF 1310NM 10km
Sonus Networks	OIM3R	Sonus Networks GSX9000 OC-3 Redundant Standby Set (CNS71, CNA07)
Cisco	PAT3	PA-t3+ PLUS ORIGINAL CISCO
Not Listed	ANT20SE
Cisco	X210GBER	1000BASE-ZX GBIC Transceiver
Cisco	HWIC1GESFP	cisco ne woriginal in seale d
Not Listed	E9304A
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Comdial	8024SGT Model: IMPACT	10-pack 24 LINE LCD SPKR
Nortel	NTGZ81CB
Cisco	HWIC4T1E1	cisco new original in sealed b
Toshiba	DP5032SD Model: TOSHIBA	10 BTN H/F LG DISP BLK
Tellabs	813700R6	MEDIA PROCESSOR MOD
Sonus Networks	MNS11	Sonus GSX9000HD High Density Management Server
IBM	42C1762	1000BASE-BX 10 SFP ,1490tx/1310rx
Cisco	GLCZXSM	GUARANTEE ORIGINAL CISCO SHIPITTODAY
Cisco	M320FPC3E2 CLEI: IPUCAGKCTB
Cisco	PAGE	REAL ORIGINAL CISCO GIGABIT ETHERNET ADAPTER
Lucent	LNW20	1665. METROPOLIS DMX (DATA MULTIPLEXER). CP. CIRCUIT PACK
JDS Uniphase	52P6539	JDS SFP OPTICAL TRANSCEIVER MODULE 212192-001
Sun Micro	540715902	1.25Gb/s CWDM SFP 1590 nm Transceiver
Cisco	HWIC1FE	HOLOGRAM COD CHECK
Not Listed	CDUF18
HP	357904001
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Cisco	HWIC1T
Cisco	GLCLHSM	CD ROM version / ORIGINAL CISCO/08-278-8500
Cisco	GLCSXMM	cisco new original module in sealed box ,and be
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Lucent	BNJ27C
Not Listed	1HAT60576DAK
Lucent	LNW2 CLEI: S0CUHOMBAA	SYSCTL
Not Listed	1HAT60591ABG
Not Listed	3AL98038ACAB
Not Listed	LAA110
Sonus Networks	MNS10	Sonus GSX9000 Management Network Server Card
Not Listed	60589ABJ
Cisco	WSC296048TCL	1000BASE-SX GE SFP Transceiver
Not Listed	1HAT60586ADM
NewBridge	90218621A	Newbridge Mainstreet 36170 CONTROL
Cisco	GLCLHSM	cisco new original module in sealed box ,and be
Sonus Networks	CNA70	Sonus GSX9000HD High Density OC3/STM1 Optical Circuit Adapter
Cisco	HWIC1ADSL	REAL ORIGINAL CISCO WITH HOLOGRAM CISCO SEALE`SHIPTODAYCOD`CHECK
Rimedyne	RD200TE48	Thermal Electric AC
Millennium	500057101	MLMN PBX CAB 128 PT
Nortel	NTN422AA	Nortel OM3500 - Network Process
Cisco	X210GBLRX210GBLRM	1000BASE-T GBIC Transceiver
Cisco	X210GBSR Model: MODULE	10GBASE-SR X2 Module for MMF,850nm
NewBridge	90218631W90218701	Newbridge Mainstreet 36170 CONTROL
Not Listed	1HAT60593AAT
Cisco	NM16A	HOLOGRAM /CISCO IT TODAYCOD CHECK
APC - American Power	SY20K40F	SYMMETRA PX 20KVA UPS with Internal Batteries
Nortel	DR4011024E5 Model: 2330A	Qty 28 Nortel Nema Enclosure Model AKA
Sun Micro	XRASC1N273G15K	1.25Gb/s CWDM SFP 1570 nm Transceiver
Lucent	KS24587L37
Cisco	HWIC4ESW
APC - American Power	SY40K80F	SYMMETRA PX 40KVA UPS with Battery Cabinet
Ericsson	ROF13784063 Model: AXE10	LIB8
Cisco	GLCT Model: MODULE	1000BASE-T SFP transceiver module
Not Listed	3AL81072AAAG
Cisco	PAA6OC3SMI	ORIGINAL CISCO PA-A6-T3
Cisco	GLCT
Cisco	NM1GE	ORIGINAL CISCO 1 PORT GE NETWORK MODULE
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Cisco	GLCZXSM
Millennium	500054102	MLMN 200W PWR SUPPLY/RING GEN
Juniper Networks	Model: M320FPC2E3	WHO WANTS THE AWESOME Juniper unit - it is new but not new in a box - I WILL TAKE FOR IT OR BEST OFFER TODAY
Cisco	WIC1T	1.25Gb/s CWDM GBIC 1550 nm Transceiver
Nortel	NTBW91DA
AFC/Tellabs	012001251A	T1 HD4 XCVR This has been MFD. Replaced w/ 0120-0150-1A. qty. 15 tested
Cisco	HWIC1T	cisco new original hwic module
Lucent	LNW6
Lucent	408645968 Model: CPOML3A	OMQ
IBM	46M6168	IBM 10Gigabit Ethernet Card
Rimedyne	RD400MN24V	DC Air Conditioner (For Base Stations)
Not Listed	3AL98128AAAC
Cisco	DSSFPFC2GSW	1000base-tx miniGBIC
Cisco	HWIC4T	cisco new original hwic module
Ericsson	ROJR2110041	NPU3
Lucent	408764165 Model: TCDB1B3	MODCELL FITLER ASSEMBLY
Cisco	GLCSXMM	high demand ORIGINAL CISCO/NOT FAKEif over 10call
Sun Micro	XRASC1NB146G15K	1.25Gb/s CWDM SFP 1550 nm Transceiver
Rimedyne	RD200TE48	Thermal Electric AC
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Cisco	VWIC2MFTT1	HOLOGRAM ORIGINAL CISCO
Lucent	LNW18	ALCATEL-LUCENT 1665 TRANS MULTIPLEXER PACK
Juniper Networks	Model: JUNIPERLOT	JUNIPER PB-4DS3-E3-IQE-BNC, PC-10GE-SFP, PC-10GE-SFP-B, NS-5000-8G , J-6350-JB & more
Cisco	DSX2FC10GSR
Cisco	PAA6T3	ORIGINAL CISCO 1-PORT DS3 ATM NETWORK MODULE
HP	331525001B	HP 336181-001, 321148-001, BL p-Class GbE2 Interconnect Switch
Samsung	DS616PACKAGE Model: DS616	PACAKGE
Toshiba	RCOU1 Model: TOSHIBA	4-CO LINE
Cisco	GLCZXSM	cisco new original module in sealed box ,and be
Millennium	500084001	MLMN T-1 SERVIVCE NEW STYLE
Rimedyne	RD200TE48	Thermal Electric AC
Not Listed	HP8494H
Cisco	XENPAK10GBER	1000BASE-LX GBIC Transceiver
Lucent	11411	LUCENT CBX500 SWITCH PROCESSOR BAL9MVNEAA
Nortel	NT5C07AC CLEI: PWDQAE7	Defective
Cisco	HWIC1GESFP
Sonus Networks	MTA21A	Sonus Networks GSX9000 75 Ohm E1 Management Timing Adapter
Cisco	PVDM316	cisco sealed,ship it
Cisco	15454E100T12G
Not Listed	E9325A
Cisco	VWIC2MFTT1	1.25Gb/s CWDM GBIC 1490 nm Transceiver
NEC	ESIB8U10 Model: IPK	NEC 8 PORT STA
Cisco	HWIC2CE1T1PRI
NEC	DTH16D2BK Model: IPK	NEC 16B HF DSP BK
Vodavi	303240 Model: XTSIP	VODAVI XTS-IP 24 PORT STA BD
Cisco	WIC1AMV2	HOLOGRAM CISCO SEALED
Alcatel	3000649904 Model: SFCC34
Nortel	NTBB20FB93 Model: 12X0FBRTRNK	Nortel 12 x 0 Fiber Trunk Module
Nortel	NTGZ81BA
NewBridge	90218931E	Newbridge Mainstreet 36170 TDS3
Cisco	NM1T3E3	HOLOGRAM ORIGINAL CISCO 1-PORT DS3 ATM NETWORK MODULE
MLMN	500099101	MLMN 2W 16 PT DIG STATION
Nortel	NT8D28AB Model: ACPEPWR	Nortel AC PE Power Supply
Sun Micro	Model: M9000	SUN ( 2 units )
Nortel	NTCA01VC	NORTEL OPTERA OC192 STM64 Tx DWDM
Juniper Networks	Model: MXMSDPC	Juniper IP Services Line card - new or best offer
Vodavi	TR901171 Model: TRIAD	VODAVI 8 BTN BLACK /BASIC/ NON DISPLAY PHONE
Ericsson	RBS2206	BTS 900/1800Mhz 2/2/2
Nortel	NTCA52AAREL02	NORTEL PEGASUS OPC I/O CD
HP	331525001A	HP 283192-B22, 336181-004, 405127-001, BL p-Class GbE2 Interconnect Switch
Motorola	SGLA4000B	HIGH STABILITY OSCILLAT
Cisco	HWIC2CE1T1PRI	cisco ne woriginal in seale d
Finisar	FTRJ8519P1BNLH2	Finisar 2GB Optical Transceiver GBIC
Sun Micro	SGXPCI2FCEM4	SUN
Rimedyne	RD200TE48	Thermal Electric AC
HP	BL20PG3
Not Listed	GSM900
Rimedyne	RD200TE48	Thermal Electric AC
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
HP	495605B21	1000BASE-LX GE SFP Transceiver
Rimedyne	RD200TE48	Thermal Electric AC
Nortel	NT6X21AC Model: SL100LINECAR	Nortel SL-100 Line Card
Cisco	NM1T3E3	hologram and cisco sealed1PORT T3/E3 NETWORK MODULE
Cisco	XENPAK10GBSR	1.25Gb/s CWDM SFP 1610 nm Transceiver
Mitel	9115500000T Model: MITEL420	MITEL SUPERSET 420 2 LINE PHONE
Cisco	NM1AT3E3	HOLOGRAM REALORIGINALCISCO 1PT E3 ATM NETWORK MODULE
Avaya	407858794	Avaya / Lucent / ATT Intuity Audix MAP/100P Chassis
Cisco	VWIC2MFTT1DI	100BASE-FX SFP MMF 1310NM --2km
Cisco	WIC2T	1.25Gb/s CWDM GBIC 1570 nm Transceiver
Motorola	STFF4004A	FILTER 800 MHZ
Harris/Lanier	102115232001	HARRIS - CONSTELLATION MULTIPLIER FILTER
Cisco	VWIC1MFTT1	1.25Gb/s CWDM GBIC 1590 nm Transceiver
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
NewBridge	9021863190218701	Newbridge Mainstreet 36170 CONTROL
Lucent	693AA	24V-48V DC CONVERTER
Cisco	NM2FE2WV2	HOLOGRAM SEALED NM-2FE2W hologram ON BOARD
Cisco	HWIC2FE
Rimedyne	RD200TE48	Thermal Electric AC
Ericsson	ROJR2110051	LTU3 12/1
Not Listed	1HAT60585CBT
Not Listed	1HAT60580ACG
Cisco	NM1GE	ORIGINAL CISCO 1 PORT GE NETWORK MODULE
Occam	BLC6248
HP	354101B21	HP BladeSystem p-Class Blade Sleeve
Avaya	AYC10	AVAYA Modules USOC RJ25C
Alcatel	5000000781	DEX-STP 12V PWR SUP UN
Not Listed	8495B
Panasonic	KXT7625B Model: PANASONIC	DIGITAL 30 BTN NON DISP BLK
NewBridge	90229501E	Newbridge Mainstreet 36170 Circuit
IBM	46C0512	1.25Gb/s CWDM SFP 1510 nm Transceiver
Millennium	500060101	MLMN 256 PORT PBX CAB BLANK
Not Listed	3AL78834AAAE
APC - American Power	SY60K80F	SYMMETRA PX 60KVA UPS with Battery Cabinet
Rimedyne	RD200TE48	Thermal Electric AC
Cisco	SFP10GSR Model: MODULE	10GBASE-SR SFP+ transceiver module for MMF, 850-nm wavelength, LC duplex connect
Cisco	NM1HSSI	HOLOGRAM /ORIGINALCISCO COD CHECK
Cisco	HWIC2T
Avaya	407858976	Avaya / Lucent / ATT Intuity Audix MAP/100P Power Supply
HARMONIC	NSG9116	Harmonic Narrowcast Services Gateway NSG 9116 MPEG-2 Multiplexing Engine
Rimedyne	RD200TE48	Thermal Electric AC
Lucent	LNW39	DS1/DS3 INTFC
Millennium	500045101	MLMN COMMON SERVICE II
Sonus Networks	CNA06	Sonus Networks GSX9000HD 3T3 Redundancy Card
Harris/Lanier	101115254004	HARRIS I.F. FILTER
Nortel	NTDK25AB Model: 2MILERECVR	Nortel 2 Mile Fiber Receiver Board
ARRIS	D5	Arris Universal Edge QAM UEQ with 6 QAM 4DX2, 1 WAN 4G2F & 2 PWR DCU8 Annex
Rimedyne	RD150HECN48V	Heat Exchanger Unit (For Base Stations)
Inter-Tel	5502255 Model: AXXESS	INTERTEL 16 PORT DIGITAL STATION CARD
Rimedyne	RD200TE48	Thermal Electric AC
Juniper Networks	Model: PC10GESFP	Juniper new & -B used
Sonus Networks	T3SR	Sonus Networks GSX9000 T3 Redundant Interface Set - 672 DS0 ports (CNS30, CNA03)
Rimedyne	RD200TE48	Thermal Electric AC
Rimedyne	RD200TE48	Thermal Electric AC
Cisco	NMHDV21T1E1	IP COMMUNICATIONS HIGH-DENSITY DIGITAL VOICE NM WITH 1 T1/E1 (NEW)
Alcatel	409036647 Model: DFPCM14A2T	DFP-CM-14B/2T or DFPCM14B2T ( FILTER CDMA BASE STATION )
Nortel	NTMW11AA Model: OPT11PWR	Nortel Option 11 Mini Power Supply
Rimedyne	RD400MX48V	Air Conditioner (For Base Stations)
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Not Listed	1HAT60590ABE
Eltek Valere	V1500B
Cisco	HWIC1CE1T1PRI	cisco ne woriginal in seale d
HP	321145001	HP OctalFC Interconnect Module
Nortel	NT7C25CB
Ericsson	ROJ208130110	MMU2B
IBM	44X1685 Model: LS42EXPANSION	LS 42 blade expansion units
Cisco	HWIC2FE	cisco new original in sealed b
Lucent	KS24587L49
Cisco	GLCT	cisco new original module in sealed box ,and be
Not Listed	3AL98029AA
Not Listed	CDUF9
NewBridge	90250712	Newbridge Mainstreet 36170 HUB
Cisco	SFP10GLR Model: MODULE	10GBASE-LR SFP+ transceiver module for SMF, 1310-nm wavelength, LC duplex connect
Cisco	HWIC4T
Vodavi	303103 Model: XTS	VODAVI 8 PORT CO BD WITHOUT CID
IBM	88524TU	have 2 88524tu
Not Listed	3AL98023AAAA
Sonus Networks	PNS10	Sonus Networks GSX9000 4-Port 100BaseT Server
Cisco	CSS11501	Content Services Switch
Panasonic	KXDT321B Model: PANASONIC	5- PACK 1L 8BTN BACKLIT LCD DIG WHITE
HP	BL35P	HP -BL35p 354566-B21 BLADE SERVER - CONFIG PER SPECS
Cisco	VWIC1MFTE1	1.25Gb/s CWDM GBIC 1610 nm Transceiver
HP	BL30P	HP -BL30p 354566-B21 BLADE SERVER - CONFIG PER SPECS
Lucent	LNW112 CLEI: S0I8ACABAB	DS1/16
Tyco	108990272 Model: H569437TYPEV	TYCO GALAXY POWER SYSTEM
Panasonic	KXTDA0172 Model: TDA	PANASONIC 16 PORT DIG ST BD
Cisco	XENPAK10GBZR	1000BASE-SX GBIC Transceiver
NEC	92573 Model: NITSUKO	16B HF DISP BLK
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
HP	416510001	HP Server Blade Management Module
Not Listed	AMU4F
Lucent	409023728 Model: DFPCN14B6N	Dual Duplex Block Filter
Cisco	HWICD9ESW	cisco ne woriginal in seale d
Cisco	CISCO2901SECK9	HOLOGRAM AND CISCO SEALED
Lucent	11013A	LUCENT CBX500 POWER SUPPLY BAPUL04HAA
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
IBM	885242U	have 3 885242u
Telrad Networks	795200000B	TELRAD DIS HF 12 BTN BLK
Sun Micro	SGXPCI2FCQF4
Nortel	NTBB20FB93 Model: 12X0TRUNKMO	Nortel 12 x 0 Fiber Module
Nortel	NT7C25BB
Cisco	X210GBZR	1.25Gb/s CWDM GBIC 1470 nm Transceiver
HP	281404B22	HP BLp Blade Enclosure
Not Listed	3AL81879ABAA
Nortel	NTCA33BC	NORTEL OPTERA QUAD OC-3 STM-1 TR CARD
APC - American Power	SY30K40F	SYMMETRA PX 30KVA UPS with Internal Batteries
Rimedyne	RD200TE48	Thermal Electric AC
TP-LINK	TLWA5210G	TP-Link Outdoor Access
HP	321147001	HP GbE2 QuadT2 interconnect module - 4-connector (copper-based)
Nortel	NTGZ81CA
Not Listed	3AL79092AAAH
Cisco	GLCSXMM
HP	405289001	HP GbE2 QuadT2 interconnect module - 4-connector (copper-based)
Not Listed	1HAT60017EAK
NewBridge	90218801	Newbridge Mainstreet 36170 OC3 IR
Harris/Lanier	102115232004	HARRIS - CONSTELLATION MULTIPLIER FILTER
Cisco	VWIC2MFTT1	original cisco /HOLOGRAM
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Cisco	VWIC21MFTT1E1	cisco new module
Harris/Lanier	101115280001	Harris Constellation Microwave DC Conversion Fan Assembly
Cisco	VWIC22MFTT1E1	REAL ORIGINAL CISCO 2-PORT 2ND GEN MULTIFLEX TRUNK VOICE/WAN NEW
Sonus Networks	CNA10	Sonus GSX9000 12-Port T1 Adapter
Cisco	WSC296024TCL	1.25Gb/s CWDM SFP 1490 nm Transceiver
Ericsson	KRC118651	RUS 900
Not Listed	1HAT60624AAV
Sun Micro	X5268A	1.25Gb/s CWDM SFP 1530 nm Transceiver
Panasonic	VB42211G Model: DBS	Panasonic 16 BTN SPKR GRY
Vodavi	300000 Model: XTSIP	VODAVI XTS-IP BASE KSU
Harris/Lanier	101115070001	Harris Constellation Microwave M12 Card
Cisco	VWIC2MFTG703	1.25Gb/s CWDM GBIC 1530 nm Transceiver
Lucent	BNJ62	SBCBR 850
NEC	DTH16D1BK Model: IPK	NEC 16 B HF DISP bk
Cisco	GLCSXMM Model: MODULE	Gigabit Ethernet SFP, LC connector SX transceiver
Cisco	DSSFPFC4GSW	1.25Gb/s CWDM SFP 1470 nm Transceiver
Cisco	PA2T3E3EC	REAL ORIGINAL CISCO WITH HOLOGRAM CISCO SEALE`SHIPTODAYCOD`CHECK
Nortel	NT8D29AB Model: ACPEPWR	Nortel AC PE Power Supply
NewBridge	90218631A	Newbridge Mainstreet 36170 CONTROL
Cisco	PAGE	ORIGINAL CISCO GIGABIT ETHERNET ADAPTER
Cisco	VWIC21MFTT1E1	REAL ORIGINAL CISCO 1-PORT 2ND GEN MULTIFLEX TRUNK VOICE/WAN NEW
Harris/Lanier	101110190001	Harris Constellation Microwave RF coax switch
Panasonic	VB44220B Model: DBS	Panasonic 22 BTN STANDARD BLK
Cisco	HWIC2T	cisco new original hwic module
Cisco	WSC3750G12SS	1000BASE-ZX GE SFP Transceiver
Cisco	XENPAK10GBLR	1000BASE-SX GBIC Transceiver
Cisco	GLCLHSM
Harris/Lanier	102115232002	HARRIS - MULTIPLIER FILTER
Cisco	GLCT	ORIGINAL CISCO
Not Listed	3AL78830AD
Vodavi	XTSCPKG Model: XTS	VODAVI
Sonus Networks	MTA10A	Sonus Networks GSX9000 System Timing Adapter (T1) Card
Ericsson	KRC118631	RUS1800
Cisco	GLCLHSM Model: MODULE	Gigabit Ethernet SFP, LC connector, LX/LH transceiver
Nortel	NTCA30LC	Nortel OPTera Card
Cisco	HWIC1FE
Panasonic	VB44225B Model: DBS	Panasonic 22 BTN SPKR/LCD BLK
Cisco	HWIC1CE1T1PRI
Cisco	PVDM332	CISCO SEALED ,SHIPIT TODAY
Cisco	GLCZXSM Model: MODULE	Gigabit Ethernet SFP, LC connector, ZX transceiver
Sonus Networks	T3SN	Sonus Networks GSX9000 T3 Interface Set - 672 DS0 ports (CNS30, CNA30)
Vodavi	IN503200 Model: VODAVI	CKIB 3 X 8 EXP CARD
Lucent	LPA931	5ESS 1-PT OC-3
Spirent	671601	HEKIMIAN SPIRENT 6700 DS1 Test
Cisco	VWIC2MFTE1	1.25Gb/s CWDM GBIC 1510 nm Transceiver
IBM	79033SU Model: 79023SU	new in the box IBM LS42 blades
Dialogic	D480JCT1T1W	D/480JCT-1T1-W
Not Listed	BOE602141
Cisco	A9KRSP8G	Cisco Route Switch Processor 8G Memory
Fujitsu	FC9580D3S1 Model: IFA2D3S1
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Cisco	HWIC3GCDMAV	ORIGINAL CISCO SHIPIT TODAY
HP	230769001	HP BLp 3PH P-CLASS POWER ENCLOSURE with 6 Power Supplies
Nortel	N1NTKC0254 Model: BCM36TO40	BCM 400 REL:3.6 TO 4.0 Upgrade