X20 BR 9300模塊

X20 BR 9300模塊

X20 BR 9300模塊

新買的西門子S7-300/400的CPU沒(méi)有IP地址，第一次下載時(shí)好用MPI接口下載包括IP地址在內(nèi)的組態(tài)信息，以后就可以用以太網(wǎng)下載了。

    第一次下載也可以用以太網(wǎng)接口和ISO協(xié)議在HW Config下載，下載時(shí)點(diǎn)擊對(duì)話框中的“顯示”按鈕，讀取到以太網(wǎng)上的可訪問(wèn)節(jié)點(diǎn)（PLC）的MAC地址后，就可以下載了。但是低檔的CPU（例如CPU 313C-2DP）第一次不能這樣下載，還是要先用MPI下載IP地址。CPU 315-2DP可以這樣下載。

問(wèn)：我想請(qǐng)教下，在PLC監(jiān)控系統(tǒng)中，用VC、VB這類語(yǔ)言開發(fā)的界面與組態(tài)軟件（如WINCC、WINCC FLEXIABLE）組態(tài)的界面有什么相同與不同？

答：沒(méi)有區(qū)別，當(dāng)然在不考慮樓主的編程水平的情況下。

1. 用VC和VB可以實(shí)現(xiàn)任意功能，甚至可以設(shè)計(jì)一些WinCC實(shí)現(xiàn)不了的功能，當(dāng)然很多底層的東東自己開發(fā)，如進(jìn)程間的關(guān)系、進(jìn)程占用、各種頁(yè)面、報(bào)警、趨勢(shì)、控件等，開發(fā)工作量較大。而WinCC軟件也是用這些軟件開發(fā)好的，同時(shí)軟件已經(jīng)內(nèi)置了很多底層的函數(shù)，無(wú)需開發(fā)，無(wú)需考慮各種進(jìn)程等。屬于傻瓜型，直接使用即可。

2. 用VC和VB實(shí)現(xiàn)與PLC等通訊時(shí)，所有的通訊協(xié)議開發(fā)（如果該協(xié)議公開的話，可以自己開發(fā)，如果不公開，樓主能要到協(xié)議就不錯(cuò)了），還有OPC、DDE等開發(fā)工作量較大。而Wincc中已經(jīng)開發(fā)好相應(yīng)的協(xié)議，直接調(diào)用即可。

3.如果IO點(diǎn)數(shù)較少，或者樓主只使用一次，不考慮實(shí)時(shí)性等要求時(shí)，開發(fā)相對(duì)簡(jiǎn)單。但是如果IO點(diǎn)數(shù)較多，樓主希望開發(fā)一個(gè)通用的軟件，那么需要考慮的東西太多。而WinCC在開發(fā)軟件時(shí)已經(jīng)考慮了相應(yīng)的功能，因此可靠性較高。

4. 綜合來(lái)說(shuō)，VC、VB開發(fā)相應(yīng)的監(jiān)控軟件，國(guó)內(nèi)有很多常見都是這么開發(fā)的，尤其是高校老師，帶著研究生，不買軟件，都是自己開發(fā)。軟件可靠性等無(wú)法保證，但是可以實(shí)現(xiàn)很多監(jiān)控軟件實(shí)現(xiàn)不了的功能。當(dāng)然樓主開發(fā)能力強(qiáng)的話除外。國(guó)內(nèi)比較有名的像組態(tài)王、力控等。WinCC是多年、多人開發(fā)的結(jié)晶，可靠性等等毋庸置疑。

問(wèn)：PLC柜24V供電，接到MCC柜的繼電器與接觸器干接點(diǎn)，卸下前連接器，MCC上電，測(cè)試干接點(diǎn)之間有60VAC的電壓，應(yīng)該是感應(yīng)電壓，信號(hào)電纜其實(shí)很短，只有二十來(lái)米，不知道會(huì)不會(huì)燒模塊？有人說(shuō)沒(méi)事？

答：1、找耐壓500V，0.022左右的無(wú)極性電容；再準(zhǔn)備1瓦500歐的電阻

2、將電容電阻串聯(lián)，在不接前連接器，接入有60VAC的電壓干接點(diǎn)之間（注意一頭是電容的一端，一頭是電阻的一端）

3、測(cè)量此時(shí)的干接點(diǎn)的交流電壓（應(yīng)該是0V)

以上是大的感應(yīng)電壓干擾的方法，一般模塊輸入端都有類似濾波電路，只是小些。電路本身可以線路此類容性感應(yīng)電壓。如果不確定有更高的其他更高的感應(yīng)電壓串人，應(yīng)考慮做上述電路預(yù)防措施，避免損失。

問(wèn)：系統(tǒng)已經(jīng)正常運(yùn)行一段時(shí)間，近同時(shí)燒了三個(gè)IM153-2，隨機(jī)地點(diǎn)，同一柜子同一供電的模塊都沒(méi)有問(wèn)題，可能是什么原因呢？電纜敷設(shè)還是比較規(guī)矩，竄入強(qiáng)電可能不大。

答：同時(shí)燒壞3個(gè)IM153-2，可能還是有問(wèn)題，我們現(xiàn)場(chǎng)有些時(shí)候也會(huì)出現(xiàn)偶爾燒壞一倆個(gè)接口模塊的問(wèn)題，因?yàn)槭桥既恍裕詫?duì)設(shè)計(jì)和電纜鋪設(shè)，闖入電流等都排除了，少感覺(jué)可能是模塊的使用壽命到了，因?yàn)楹芏喽际鞘褂昧?、6年模塊，不可能模塊一直使用，不會(huì)損壞的可能性，畢竟是電子產(chǎn)品。

另外一個(gè)特別要注意地線要做好，很多廠家地線沒(méi)做好，旁邊有電焊機(jī)使用的話，很有可能闖入大電流把模塊燒壞，很多廠家有深刻的教訓(xùn)，損失慘重。

問(wèn)：想知道每次西門子S7-200PLC的掃描周期 但不知道怎么查看？

答：工具欄里---PLC---信息---里面就有程序掃描周期，或者直接監(jiān)控smb22,smb22就是程序掃描周期。

問(wèn)：練習(xí)硬件組態(tài)，PS電源一塊313C CPU一塊，321輸入模塊一塊，332模擬輸出模塊一塊，硬件組態(tài)下載以后，332的SF 紅燈亮,CPU停機(jī)，添加OB82 ,332模塊啟用中斷檢測(cè)，組診斷未選，下載啟動(dòng) ，332 SF 紅燈仍亮，練習(xí)的程序中與332 模塊無(wú)關(guān)，332模塊只接了電源24v和地線，輸出通道均未接線，332模塊為4AOX12BIT,究竟如何才能解決332的問(wèn)題，請(qǐng)各位指點(diǎn)。

答：保證CPU不停機(jī)：你在硬件組態(tài)界面設(shè)置該模塊時(shí)，通過(guò)雙擊該模塊，打開其“屬性”界面，選中“Outputs'子項(xiàng)，選中”Enable（使能、啟用）“框中”DiagnosticInterrupt“（診斷中斷）前打勾，選中"diagnostics"（診斷）選項(xiàng)中的0-1通道組中的”GroupDiagnostics“（組診斷），完成了上述組態(tài)，執(zhí)行”保存并編譯“，并下載到CPU中，同時(shí)在CPU中下載了診斷中斷處理組織塊OB82（只需下載一個(gè)空的OB82即可，無(wú)需編程）。這樣SM332具有診斷能力又使能了診斷中斷，當(dāng)PLC檢測(cè)到錯(cuò)誤時(shí)，它輸出一個(gè)診斷請(qǐng)求給CPU，CPU調(diào)用錯(cuò)誤處理組織塊OB82，這樣CPU并不轉(zhuǎn)換為STOP方式，僅僅SF模塊上SF和CPU上SF燈亮。

取消SF燈亮：你可以通過(guò)雙擊該模塊，打開其“屬性”界面，選中“Outputs'子項(xiàng)，OUTput   type of 中把不用的輸出都選擇Deactived.完成了上述組態(tài)，執(zhí)行”保存并編譯“，并下載到CPU中

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【主營(yíng)產(chǎn)品】

1：Invensys Foxboro（福克斯波羅）：I/A Series系統(tǒng)，F(xiàn)BM（現(xiàn)場(chǎng)輸入/輸出模塊）順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)據(jù)通信及處理等。

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3：Westinghouse（西屋）： OVATION系統(tǒng)、WDPF系統(tǒng)、WEStation系統(tǒng)備件。

4：Rockwell Allen-Bradley: Reliance瑞恩、SLC500/1747/1746、

MicroLogix/1761/1763/1762/1766/1764、CompactLogix/1769/1768、

Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。

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HP C7000 W/ 16x BL460C G6 BLADE 2x CISCO 3020 2x L5520 8GB 2X 600GB 10K RAILS

HP C7000 W/ 16x BL460C G6 BLADE 2x CISCO 3020 2x E5540 48GB 2x 300GB 10K RAILS

HP C7000 W/ 16x BL460C G6 BLADE 2x CISCO 3020 2x L5520 48GB 2x 300GB 10K RAILS

HP C7000 W/ 16x BL460C G6 BLADE 2x CISCO 3020 2x E5540 8GB 2X 600GB 10K RAILS

NEW Cisco CISCO2951/K9 2951 Integrated Services Router GE 4 EHWIC 3 DSP 2 SM

CISCO3925-VSEC/K9 Router w/ UC & SEC license and PVDM3-64 6MthWtyTaxIn

New Cisco Systems Cisco7204VXR-DC | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems WS-C2960XR-48FPD-I

Cisco Systems C3650-48-L-E

Cisco Systems L-C3650-48-L-E

**NEW SEALED** CISCO3945/K9 Cisco 3945 Integrated Services Router *SMARTNETABLE*

*New In Box* 2x Cisco WS-C2960X-48FPD-L Switch *Fast Ship*

CISCO UCS C24 M3 SERVER TWO E5-2440 2.40GHZ 32GB 8 X 600GB 10K

 CISCO C2951-VSEC-CUBE/K9 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO CISCO2951-DC/K9 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems CTS-PHD-2.5X | incl 19% VAT | 2 years Cybertrading warranty

CISCO WS-C6506-E w/ Fan, 1x VS-S720-10G-3C, 1x WS-X6724-SFP, 1x WS-SVC-FWM-1-K9

CISCO NAM2220 Cisco NAM 2220 Appliance, two 10 Gb Ethernet

*NEW SEALED* CISCO WS-C3850-24UW-S Catalyst Switch + C3850-NM-4-1G Module

Cisco SG500XG-8F8T-K9-NA SG500XG-8F8T 16-port 10Gigabit Stackable Managed Switch

Cisco CISCO3945/K9 + VWIC3-4MFT-T1/E1 4-port T1/E1 Voice / WAN module

NEW Factory Sealed Cisco WS-C3850-24UW-S 24 Port Catalyst Switch

Cisco 1OC768-POS-SR Cisco CRS-1 1-Port OC-768/STM-256 POS/DPT Interface Module

New Cisco Systems L-C3650-48-L-E | incl 19% VAT | 2 years Cybertrading warranty

NEW Factory Sealed Cisco WS-C3650-48PS-S 48 10/100/1000 Ethernet PoE+ Switch

CISCO  15454-PP-80-LC= 2RU 80 Ports LC Patch Panel 3YR WNTY

~GOOD CONDITION~ CISCO WS-C3850-48P-S 48 Port PoE Switch ~FAST DELIVERY~

CISCO WS-C3850-48F-S 48 10/100/1000 Ethernet PoE+ ports Switch w/ PWR-C1-1100WAC

WS-C3750X-48PF-S WS-C3750X-48PF-S CISCO 48 POE+ 1000, IP BASE, 1100W

New CISCO ME-3400EG-12CS-M | incl 19% VAT | 2 years Cybertrading warranty

 CISCO WS-X6824-SFP-2T | incl 19% VAT | 2 years Cybertrading warranty

CISCO2921-HSEC+/K9 VPN ISM Module HSEC Bundle - 1 Year Warranty - ￡2750 ex VAT

Cisco Systems WS-C3650-48FS-L

WS-C4507R+E WS-X4597+E 48Gbps Catalyst PLUS E-Series Chassis 4500E Switch Cisco

NEW Cisco Catalyst WS-C4948E-F-E High-Performance Switch NEU OVP UNGE?FFNET

 CISCO SPA-IPSEC-SSC400-2 | incl 19% VAT | 2 years Cybertrading warranty

C4500E-LB-ES=  Cisco 4500E Switch License

CISCO7606-S= Router New in box

CISCO WS-C3750X-24S-S 24-PORT CATALYST SWITCHE

NEW CISCO  SPA-8X1FE-TX-V2 with 1 Year Warranty and Fast Shipping

NEW CISCO WS-C3750X-48PF-E Catalyst 48-Port Full PoE IP Service

New Cisco WS-C3850-12S-E 12 SFP Ethernet Port Switch PWR-C1-350WAC IPMWZ00ARA A

Cisco WS-C3850-48P-E 48-Port PoE 3850 Switch w/ AC PWR IPS - 1 Year Warranty

CISCO 15454-AR-XP ONS 15454 ANY RATE XPONDER 3 YR WARRANTY

CISCO 3925 CISCO3925-SEC/K9 CISCO3925 AC Security Router 1-YEAR WARRANTY

Cisco OSM-16OC3-POS-MM 16-port OC-3/STM-1 SONET/SDH

SFP-10G-SR V03  CISCO MODULE GENUINE

New CISCO ASR1000-RP1 ASR 1000 Series Route Processor

CISCO PA-MC-STM-1SMI 1 PORT Multichannel STM-1 Single Mode Port Adapter

CISCO  N7K-M132XP-12L Gigabit Ethernet MOD  XL Option N7K-M132XP-12L 3YR WNTY

Cisco WS-C6504-E Dual P/S 2x VS-S720-10G-3C 1x WS-X6748-GE-TX 1x WS-X6748-SFP

*New Sealed* Cisco N2K-C2248PQ Cisco Nexus 2248PQ 10GE Fabric Extender

NEW Cisco DWDM-X2-38.98 (We buy and sell Cisco)

CISCO N5K-C5596UP-FA NEXUS 5596UP CHASSIS w/ 2x N55-PAC-1100W Power

We buy Cisco **** WS-C2960X-48FPS-L **** 48 port 2960

We buy Cisco **** WS-C2960X-48LPD-L **** 48 port 2960 (MO)

We buy Cisco **** WS-C2960X-48FPS-L **** 48 port 2960 (MO)

We buy Cisco **** WS-C3850-24P-E Switch ** WS-C3850, 3850 series

NEW Cisco Catalyst WS-C3750G-24TS-E1U Switch 24 Ports

NEW Cisco Catalyst WS-C3750G-24TS-E Switch 24 Ports

NEW Cisco Catalyst WS-C3750G-12S-E Switch 12 Ports

IA RACK MOUNT SWITCH Cisco   IE-3010-24TC

*NEW SEALED* WS-C3850-48P-S 48 10/100/1000 Ethernet PoE+ ports Switch

CISCO N9K-M12PQ Uplink Module for Nexus 9300

NEW IN BOX Cisco WS-C3650-48FWS-S 8 x POE+ Stack Port 4x Expansion Slots

Cisco VS-S720-10G-3CXL CAT6500 VS SUP720 PFC3CXL w/ 1-Year Warranty 10GB

NEW IN BOX CISCO WS-C3850-48P-S CISCO 48PT POE+ GE, IP BASE, 715W PS *SHIP FAST*

"New" WS-C3850-48U-L Cisco Catalyst C3850-48U Switch 3850 series

Cisco WS-C3850-48P-E 48 Port Gigabit Ethernet PoE+ Switch PWR-C1-715WAC IP KK

Cisco CISCO2951/K9 + SM-ES3G-24-P Enhanced EtherSwitch, L2/L3 POE

Cisco ASA5525 FirePOWER IPS AMP & URL 1YR Subscription - ￡2740 + VAT

 CISCO WS-C6509-FW-IDS-K9 | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems AS52-24DM-CC | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-30.3 | incl 19% VAT | 2 years Cybertrading warranty [154

 CISCO 15454-O48E-1-31.9 | incl 19% VAT | 2 years Cybertrading warranty [154

 CISCO 15454-O48E-1-35.0 | incl 19% VAT | 2 years Cybertrading warranty [154

 CISCO 15454-O48E-1-36.6 | incl 19% VAT | 2 years Cybertrading warranty [154

 CISCO 15454-O48E-1-38.1 | incl 19% VAT | 2 years Cybertrading warranty [154

 CISCO 15454-O48E-1-42.9 | incl 19% VAT | 2 years Cybertrading warranty [154

 Cisco Systems NIM-8MFT-T1/E1 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems AXSM-8-622-XG

Cisco Systems CTS-PHD-2.5X

CISCO UCS C24 M3 SERVER E5-2450L 1.80GHZ 64GB 14 X 600GB 10K

#NEW# CISCO3925-SEC/K9 3925 Security Bundle #FAST SHIPMENT#

New Cisco Systems WS-C3650-48PS-S | incl 19% VAT | 2 years Cybertrading warranty

CISCO - WS-C3850-48P-L - Cisco Catalyst 3850 48 Port PoE LAN Base

Cisco Catalyst 3650-48P Layer 3 Switch WS-C3650-48PD-S

Cisco Catalyst 3650-48P Layer 3 Switch WS-C3650-48PD-S

CISCO3945/K9 Cisco 3945 with 3 onboard GE IP Base w/ HWIC-4ESW-POE Module

Cisco WS-C3850-24P-E price w/o VAT 3250€

**New Sealed**Cisco WS-C3850-48P-S 48-Ports-Ports Rack-Mountable Switch Managed

 CISCO 15454-O48E-1-30.3 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-31.9 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-35.0 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-36.6 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-38.1 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-41.3 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-42.9 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems FLSASR1-BB | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems L-FLSASR1-BB | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems C2911-UCSE/K9

Cisco N7K-M132XP-12L Cisco Nexus 7000 M1-Series 32 Port 10GbE with XL Option

*NEW Sealed* CISCO WS-C2960XR-48LPD-I 48 Port Switch w/ Dual PWR-C2-640WAC Power

*Brand NEW* CISCO WS-C3850-24T-E 24 10/100/1000 Ethernet ports, w/ 350WAC Power

*Brand NEW* Cisco ISR4351-AX/K9 Cisco ISR 4351 AX Bundle w/APP, SEC license

! NEW IN BOX ! CISCO Catalyst WS-C3650-48FD-S 48 Port Ethernet PoE+ Switch

NEW IN BOX CISCO Catalyst WS-C3850-12S-E 12 Port  SFP GE Switch  ! SHIP FAST !

*Brand NEW* CISCO WS-C3650-48FD-S 48 10/100/1000 Ethernet PoE+ Switch

10 Pcs. CISCO2801-CCME/K9 Cisco 2801 Voice w/ PVDM2-8,128F/384D,C2801-CCME/K9

Cisco WS-C6509-E 2x VS-S720-10G-3C 3x WS-X6748-GE-TX 2 WS-X6748-SFP WS-X6724-SFP

Cisco SCE8000-SIP Service Control Engine 1YearWarranty 2+Available

Cisco UCSB-B200-M3 96GB, 2x Intel 2.00 GHz E5-2630L, 600GB 6Gb SAS 10K RPM

CISCO3925/K9 Cisco 3925 Router with 3 onboard GE w/ VWIC2-2MFT-G703 Module

Cisco Catalyst 3850 24 Port PoE IP Base WS-C3850-24P-S

*New In Box* Cisco WS-C3650-48FD-S 48 Port Ethernet Switch * Fast Shipment *

*New In Box* Cisco WS-C3560V2-48PS-E Catalyst Switch 48-Port * Fast Shipment *

*New Sealed*Cisco SPA-8X1GE-V2 8-Port Gigabit Ethernet Shared Port Adapter

NEW Sealed Cisco WS-C3650-48FD-S 48 10/100/1000 Ethernet PoE+ Switch

 Cisco Systems 15454-32MUX-O | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems N2K-C2248TF-1GE | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems N3K-C3064PQ-10GX

Cisco Systems DWDM-XENPAK-52.52

Cisco Systems WS-X4606-X2-E

New Cisco Systems XENPAK-10GB-ZR | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems MGX-XM60

 Cisco Systems NIM-8MFT-T1/E1 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems AXSM-8-622-XG

New Cisco Systems ASA5520-K8 | incl 19% VAT | 2 years Cybertrading warranty

CISCO SCE8000-SIP Service Control Engine SCE8000 SPA Interface Processor

NEW IN BOX CISCO WS-C3850-48F-S 48PORT FULL POE IP BASE 1100W **SHIP FAST**

~NEW SEALED~ Cisco WS-C3850-12S-E Layer 3 12 Port SFP Switch ~FAST DELIVERY~

*New Sealed*Cisco SPA-10X1GE-V2 10-Port Gigabit Ethernet Shared Port Adapter

NEW Sealed Cisco WS-C3650-48FD-S 48 10/100/1000 Ethernet PoE+ Switch

 Cisco Systems WS-C3850-48P-L | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 15454-O48E-1-41.3 | incl 19% VAT | 2 years Cybertrading warranty [154

NEW Sealed Cisco ISR4351-AX/K9 Cisco ISR 4351 AX Bundle w/APP, SEC license

NEW Sealed Cisco N2K-C2248PQ Cisco Nexus 2248PQ 10GE Fabric Extender, 2PS

 Cisco Systems DS-C9513-2K9 incl 19% VAT // 2 years IT4Trade warranty

#NEW# Cisco WS-C3650-48FD-S Catalyst 3650 Switch #FAST SHIPMENT#

**New Sealed** Cisco WS-C2960XR-48TD-I 48 10/100/1000 Ethernet  Switch

 Cisco Systems NIM-8MFT-T1/E1 | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems AXSM-8-622-XG | incl 19% VAT | 2 years Cybertrading warranty

NEW Sealed Cisco WS-C3850-24T-E 24 10/100/1000 Ethernet ports Switch

CISCO WS-C4507R-E w/ 2x WS-X45-SUP6L-E, 5x WS-X4548-GB-RJ45V, 2x PWR-C45-4200ACV

BRAND NEW IN BOX CISCO WS-C2960S-F48LPS-L Catalyst 48 Port Switch SHIP FAST

CISCO WS-C6504-E w/ FAN, 1x VS-S720-10G-3C, 2x PWR-2700-AC/4 - 3YR Warranty

CISCO WS-C6504-E w/ FAN, 1x VS-S720-10G-3C, 2x PWR-2700-DC/4 - 3YR Warranty

CISCO WS-F6K-DFC4-E - Catalyst 6500 Dist Fwd Card DFC4 - 3YR Warranty

CISCO WS-F6K-DFC4-EXL - Catalyst 6500 Dist Fwd Card DFC4XL - 3YR Warranty

NEW Factory Sealed Cisco WS-C3650-48TD-S 48 10/100/1000 Ethernet Ports Switch

*New* Cisco WS-C2960XR-48TD-I 48 10/100/1000 Ethernet Switch

*New Sealed* Cisco WS-C2960XR-48FPD-I 48nPorts PoE Switch Dual PWR-C2-1025WAC

CISCO PVDM4-128 CISCO ORIGINAL

Cisco WS-C6506E-S32-GE Network Switch WS-C6506E-S32GE 1YearWarranty 2+Available

Cisco 15454-OPT-BST-E Booster Amp Module 1YearWarranty 2+Available

NEW SEALED Cisco LM-SC-15252 Plug-in Module 1YearWarranty 2+Available

New Sealed Cisco PVDM4-256 Voice DSP Module 1YearWarranty 2+Available

NEW SEALED Cisco UBR10-PWR-DC Power Supply 1YearWarranty 2+Available

NEW SEALED Cisco SPA-10X1GE Router 1YearWarranty 2+Available

#NEW# Cisco ISR4351-AX/K9 AX Sec Bundle Router #FAST SHIPMENT#

CISCO3925E/K9 Cisco 3925 Router with 4 onboard GE w/ HWIC-1DSU-T1 Module

Cisco UCSB-B200-M3 48GB, Intel E5-2660, 2x 300GB 6Gb SAS

NEW CISCO N56-LAN1K9-P Limited Time Promotion for Nexus 5600 Series *E-DELIVERY*

NEW IN BOX CISCO WS-C3850-12S-E Catalyst 3850 12 Port GE SFP IP *SHIP FAST*

Cisco RFGW-1-D RF Gateway 1 Universal Edge QAM (U-EQAM)  (AC Power)

Cisco ME-3600X-24FS-M Metro Ethernet 24-Ports SFP Switch * 1 Year Warranty

*NEW SEALED* CISCO WS-C3650-48FWS-S Catalyst 3650 48 Port FPoE 4x1G Uplink

Cisco Nexus N7K-M132XP-12L 32-Port Ethernet Module w/XL Option *Ship Fast*

Cisco Systems WS-C6513-FWM-K9

NEW Cisco Catalyst WS-C3560E-24PD-E 24 10/100/1000 PoE 2 X2 SWITCH NEU OVP

 Cisco WS-X6148-FE-SFP Module

Cisco AIR-CT5508-100-K9 112 Access Points License CT5508-K9 Wireless Controller

Cisco Systems FLSASR1-BB

Cisco Systems AXSM-4-2488-XG

Cisco Systems PA-MCX-4TE1-Q

 Cisco 3rd Party ONS-XC-10G-C | incl 19% VAT | 2 years Cybertrading warranty

New CISCO CTS-PHD1080P12XS2 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems L-ASA-SC-20

Cisco Systems 15454-O48E-1-30.3

Cisco Systems 15454-O48E-1-31.9

Cisco Systems 15454-O48E-1-35.0

Cisco Systems 15454-O48E-1-36.6

Cisco Systems 15454-O48E-1-38.1

Cisco Systems 15454-O48E-1-41.3

Cisco Systems 15454-O48E-1-42.9

CISCO - WS-C3850-24P-S - Cisco Catalyst 3850 24 Port PoE IP Base

*Brand NEW* SG500-52MP-K9 48 10/100/1000 PoE+ ports w/ 740W power budget Switch

*New In Box * Cisco WS-C3850-12S-E Layer 3 12 Port SFP Switch * Ship Fast *

New Cisco Systems C2911-UCSE/K9 | incl 19% VAT | 2 years Cybertrading warranty

NEW Sealed Cisco WS-C3650-48FWS-S Catalyst 3650 48 Port FPoE 4x1G Uplink Switch

*** NEW Cisco WS-C3850-48F-L  CISCO 48PT POE+ GE, LAN BASE, 1100W PS

CISCO - WS-C3750X-12S-S - Catalyst 3750X 12 Port GE SFP IP Base

Cisco ASA5525 FirePOWER IPS 3YR Subscription - ￡2700 + VAT

Cisco ASA5525 FirePOWER AMP 3YR Subscription - ￡2700 + VAT

*New In Box* 2x Cisco WS-C2960X-48LPD-L Switch *Fast Ship*

~NEW SEALED~ CISCO WS-C3850-48U-L Catalyst Switch ~FAST DELIVERY~

Cisco VG350/K9 High Density VoIP Analog Gateway CHASSIS ONLY

#NEW# Cisco WS-C3650-48FWS-S Catalyst 3650 Switch #FAST SHIPMENT#

*Brand NEW* CISCO WS-C3850-48T-S 48 Port Switch w/ 350WAC power + C3850-NM-4-1G

*Brand NEW* CISCO WS-C3850-24P-E 24 Port Switch + C3850-NM-4-1G Module

Cisco WS-F6K-DFC4-EXL Catalyst 6500 Dist Fwd Card DFC4XL for WS-X6816 Line Card

! BRAND NEW IN BOX ! Cisco ASR1000-ESP10 Control Processor ! FAST SHIPMENT !

CISCO3925/K9 Cisco 3925 Router with 3 onboard GE w/ EVM-HD-8FXS/DID Module

New Sealed Cisco WS-C3850-12S-E Catalyst Managed L3 Switch 1YearWrnty 2+Avalable

NEW SEALED Cisco WS-X45-SUP8-E Supervisor Engine 1YearWarranty 2+Available

Cisco UCS B200 M3 2P E5-2695v2 12C 2.40GHz 16GB VIC 2x300GB Blade Server

Cisco UCS B200 M3 2P E5-2680v2 10C 2.80GHz 16GB VIC 2x300GB Blade Server

Cisco UCS B200 M3 2P E5-2680v2 10C 2.80GHz 16GB VIC 2x146GB Blade Server

Cisco UCS B200 M3 2P E5-2695v2 12C 2.40GHz 16GB VIC 2x146GB Blade Server

*** NEW Cisco WS-C3650-48PD-S 48 10/100/1000 PoE+ 2x10G

3rd Party CON-SNTP-3S7C10GP / 24X7X4 for Cisco 7603S Chassis, 1 year

3rd Party CON-SNTP-047C10GP / 24X7X4 for Cisco 7604 Chassis, 1 year

3rd Party CON-SNTP-7604SUPP / 24X7X4 for Cisco 7604 Chassis,4, 1 year

CISCO - CTS-EX60-K9 - EX60 - NPP, Touch UI - Spare

 Cisco Systems CHAS-7576-DC | incl 19% VAT | 2 years Cybertrading warranty

#NEW# Cisco WS-C3850-12S-E L3 Managed Switch #FAST SHIPMENT#

 Cisco Systems VS-C6504E-S720-10G incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems WS-C3560E-12SD-S incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems WS-C3750X-48T-E incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems WS-C3750X-48P-L incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems Cisco2951-DC/K9 incl 19% VAT // 2 years IT4Trade warranty

New Cisco Systems WS-C2960X-48FPD-L incl 19% VAT // 2 years IT4Trade warranty

New Cisco Systems WS-C3560G-48PS-S incl 19% VAT // 2 years IT4Trade warranty

*New sealed& Neu OVP* CISCO ISR4351-AX/K9  2Years Wnty/VATfree €3200 ISR 4351

CISCO - SPA-8X1FE-TX-V2 - Cisco 8-Port Fast Ethernet (TX) Shared Port Adapter

CISCO - SPA-4XOC3-POS-V2 - 4-port OC-3/STM-1 POS Shared Port Adapters

New CISCO WS-C3560X-48PF-L | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems WS-C3750G-24T-E | incl 19% VAT | 2 years Cybertrading warranty

New CISCO WS-C3750V2-48PS-E | incl 19% VAT | 2 years Cybertrading warranty

 CISCO WS-C6509E-S32-GE | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems AXSM-4-2488-XG

Cisco Systems PA-MCX-4TE1-Q

Cisco Systems 15454-O48E-1-39.7

Cisco Systems L-ASA-SC-20

Cisco Systems ASA5512-IPS-K8

 Cisco Systems N55-M12T | incl 19% VAT | 2 years Cybertrading warranty

-Brand New- Cisco WS-C3850-12S-E 12 Port Catalyst L3 Switch -Fast Ship-

*New* WS-C3560X-48PF-S Cisco Catalyst 3560-X Switch 3560 series

 Cisco Systems AS53-60-CH | incl 19% VAT | 2 years Cybertrading warranty

NEU NEW Cisco ASA5525-SSD120-K9 Box opened

New Cisco Systems L-ASA-SC-20 | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems AXSM-4-2488-XG | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems PA-MCX-4TE1-Q | incl 19% VAT | 2 years Cybertrading warranty

 3rd party ONS-XC-10G-C | incl 19% VAT | 2 years Cybertrading warranty

New CISCO CTS-PHD1080P12XS2 | incl 19% VAT | 2 years Cybertrading warranty

CISCO CATALYST 3650 48 PORT DATA 4X1G UPLINK LAN BASE        IN

CISCO - WS-C3650-48PS-S - Catalyst 3650 48Port, Full PoE 4x1G Uplink IP Base

CISCO 7600-SIP-200 + SPA-1XCHSTM1/OC3

3rd Pty CON-SNTP-C6840GXL 24X7X4 for Cisco Catalyst 6840-X-Chassis and 2 x 40

Cisco  Catalyst WS-C3650-48FS-S 48-Ports-Ports Rack-Mountable Switch Managed

CISCO 3925E/K9 3925E 1GB D/256F Router CISCO3925E/K9 - 3YR Warranty

L-3750E48-IPSLCB-QTY= Product upgrade license - 48 ports - upgrade from Cisco IO

CISCO 7604 w/ 1x RSP720-3CXL-GE, 2x PWR-2700-AC/4 CISCO7604 - 3YR Warranty

CISCO 7604 w/ 1x RSP720-3CXL-GE, 2x PWR-2700-DC/4 CISCO7604 - 3YR Warranty

CISCO 7606 w/ 1x RSP720-3CXL-GE, 2x PWR-2700-AC CISCO7606 - 3YR Warranty

CISCO 7606 w/ 1x RSP720-3CXL-GE, 2x PWR-2700-DC CISCO7606 - 3YR Warranty

Cisco ESR-PRE3 performance routing engine

CISCO AIR-CAP1552E-A-K9 (Refurbished) 802.11N Outdoor Mesh Access Point Ext.

NEW Cisco WS-C3650-48FS-S 48 10/100/1000 Ethernet PoE+ Switch

Cisco ASR1000-ESP10 Embedded Service Processor

NEW SEALED Cisco WS-C4948E-F-S  48-Port 10/100/1000+ 4 SFP+ ! FAST SHIPPING !

Cisco UCSB-B200-M3 96GB, Intel 2.60 GHz E5-2630 v2/80W, UCSB-MLOM-40G-01

Cisco WS-C3850-48U-S

CISCO3945/K9 Cisco 3945 with 3 onboard GE IP Base w/ EM-HDA-3FXS/4FXO Module

CISCO N2K-C2248TF-E NEXUS 2248TPE WITH 8 FET, CHOICE 3 YR WARRANTY

NEW IN BOX CISCO NEXUS N2K-C2232TM-E 2000 SERIES FABRIC EXTENDER **SHIP FAST**

* New In Box * 2x CISCO WS-C2960S-24PD-L Switch* Fast Shipment *

Cisco MEM-DFC-512MB - Catalyst 6500 512MB DRAM for DFC

NEW IN BOX CISCO CISCO3925E/K9 INTEGRATED SERVICE ROUTER 3925E *SHIP FAST*

NEW Cisco ASA 5520 VPN/Firewall ASA5520-BUN-K9

NEW  ORIGINAL WS-C3750G-48TS-S WSC3750G48TSS CISCO

NEW CISCO WS-X4624-SFP-E Catalyst 4500 E-Series 24-prot GE SFP

Cisco ME-4924-10GE New Open - Clean SN Bdl

*NEW SEALED FAST SHIP* CISCO WS-C3650-48FQ-L (2Years Warranty) 3650  POE

CISCO N5K-C5548P-FA Chassis includes 32 fixed ports with N55-M16P installed

*NEW SEALED FAST SHIP* CISCO WS-C3850-24P-E  (2Years Warranty) 3850  POE

*NEW*  WS-X4624-SFP-E  4500 E-Series 24-Port GE (SFP)

Cisco WS-SVC-SAMI-BB-K9 Service and Application Module for IP

100% genuine Cisco  DWDM-X2-55.75 Transceiver module

Cisco UCS B200 M4 E5-2680v3 12C 2.50GHz 16GB VIC 1340 Blade Server Bundle

Cisco Nexus C5548UP 1/10 Gbps 32-Port Fabric Switch New

New Cisco UCS-E180D-M2/K9 with 3 E100D-HDD-SAS900G 3945 3945E ISR4351 ISR4451

NEW CISCO WS-C3850-24P-E,  PWR-C1-715W - Factory Sealed in Box Cisco 3850

 Cisco Systems GSR10/200-AC | incl 19% VAT | 2 years Cybertrading warranty

*New* Cisco N2K-C2248PQ Cisco Nexus 2248PQ 10GE Fabric Extender

Meraki MX400-HW, with 10GB SFP Module Unclaimed Price Dropped 8/1/16!!!

New Sealed CISCO WS-C3560X-48T-E NIB 3560X

GUARANTEED SMARTnet Eligible Cisco WS-C3750X-48U-S 48Port Gig UPoE w/1100W AC PS

N56-LAN1K9=  Cisco Systems Nexus 5600 Series LAN Ent License

C3850 CISCO WS-C3850-48P-S Catalyst Switch

Cisco ISR Cisco2951-HSEC+/K9 Sec BUNDLE

New Sealed Cisco WS-C3850-12S-E Cisco Catalyst 3850 12 Port GE SFP IP Services

#NEW# Cisco N2K-C2232TM-E Nexus 2232TM-E 10GE Fabric Extender #FAST SHIPMENT#

NEW Cisco WS-C3850-48F-L 48 10/100/1000 Ethernet POE+ PORTS , 1100WAC PWR

#NEW# Cisco N2K-C2248PQ Nexus Fabric Extender #FAST SHIPMENT#

* New In Box * CISCO WS-C3560X-48P-S & C3KX-NM-10GT Bundle * Fast Shipment *

BRAND NEW IN BOX CISCO3925E/K9 Integrated Services Router ! SHIP FAST !

Cisco Catalyst 3850 24 Port PoE IP Base WS-C3850-24P-S

 Cisco Systems C6400-NRP-2 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems PA-MC-E3 | incl 19% VAT | 2 years Cybertrading warranty

Cisco WS-X4506-E w/ WS-X4516-10GE + WS-X4448-GB-SFP + 2 x PWR-C45-1300ACV

Cisco WS-C3560X-48P-E Gigabit Catalyst Switch w/370W PoE - 1 YEAR WARRANTY/ TAX

CISCO 3945-VSEC/K9 w/ 2 x PWR-3900-POE, PVDM3-64, SM-ES3-24-P, UCS-E140D-M1/K9

CISCO3945-V/K9 Router w/UC License SL-39-UC-K9 and PVDM3-64 6MthWtyTaxInv