TSXDEZ12D2模塊

TSXDEZ12D2模塊

TSXDEZ12D2模塊

MP277報警顯示：區域指針類型時間日常期PLC地址錯誤！S7-300 314C-2DP PLC停止運行！請問高手是哪里出錯了？

答：可以在PLC里面的模塊信息里面查看故障提示 

用S7-200PLC收集一脈沖，脈沖頻率200ms發送28個脈沖，程序小掃錨周期175ms，用普通計數器CTU和INC計數結果偏小，用高速計數器結果偏高，脈沖輸入點i0.0，請高手指點

答：首先對于這種頻率較高的脈沖（約140Hz），脈沖寬度約7ms，對于你的掃描周期大于175ms的PLC程序，用普通計數器肯定不行，用高速計數器，而且脈沖不能接到PLC的普通輸入模塊的輸入點I*.*，這種模塊的輸入信號是經過過程映像的，每個程序循環周期才刷新一次，達不到要求的，該脈沖信號直接接到高速計數器（硬件中斷輸入模塊的輸入端），才能準確計數。 

一、功能介紹 

    偉創AC60系列變頻器內置國際標準的MODBUS（從站）通信協議，配合RS485通信模塊，可非常方便的實現遠程通訊控制功能。

二、S7-200的自由口通信模式說明 

    S7-200系列PLC有一種特殊的通信模式：自由口通信模式。在這種通信模式下。用戶可以在自定義的通信協議（可以在用戶程序中控制通信參數：選擇通信協議、設定波特率、設定校驗方式、設定字符的有效數據位）下，通過建立通信中斷事件，使用通信指令，控制PLC的串行通信口與其它設備進行通信。只有當CPU主機處于RUN工作方式下（此時特殊繼電器SM0.7為1）才允許自由通信模式,此時S7-200失去了與標準通信裝置進行正常通信的功能。當CPU主機處于STOP工作方式下時，自由通信模式被禁止，PLC的通信協議由自由通信協議自動切換到正常的PPI通信協議。

三、下面以西門子S7-200系列PLC為例，介紹PLC與變頻器建立通訊并實現對變頻器起停、頻率給定、監控、發送廣播指令等功能的控制。

    變頻器作為MODBUS協議從站接收來自CPU226 PLC的通信指令。

    一、   變頻器在與CPU226通信前須做好以下準備工作：

    1．確認已安裝好AC60系列485通信模塊；

    2．用一根帶9針陽性插頭的串口通信電纜連接在CPU226 PLC的自由通信口端（PORT0或PORT1），電纜另一端的第3、8線分別接在CHV變頻器A+、B-端子上；

    3．預先設置變頻器以下參數：

    H-66=0//變頻器設為從站

    H-67=1 //變頻器通訊地址為1

    H-69=3 //通訊波特率9.6K

    H-68=1 //（E、8、1）//通訊數據偶校驗

    E-01=2 //變頻器的運行采用通訊方式

    E-02=6 //變頻器的給定頻率設定采用通訊方式

    二．PLC內存使用說明

    西門子S7-200系列PLC的自由通訊端口編程必定會用到兩個指令，即XMT（發送）指令和RCV（接收）指令。編寫程序時需要為這兩個指令指定數據緩沖區，一般以低位數為0的地址作為數據緩沖區的起始地址。

    1．發送指令XMT緩沖區（寫/讀）

    VB100 //xmt指令要發送的字節個數

    VB101 //變頻器通訊地址（01）

    VB102 //modbus功能碼（06/03）

    VB103 //變頻器被寫地址高位/變頻器被讀起始地址高位

    VB104 //變頻器被寫地址低位/變頻器被讀起始地址低位

    VB105 //被寫數據高位/被讀數據字個數高位

    VB106 //被寫數據低位/被讀數據字個數低位

    VB107 //被發送數據CRC低位

    VB108 //被發送數據CRC高位

    2．接收指令RCV緩沖區

    VB200 //rcv指令要接收的字節個數

    VB201 //變頻器地址（01）

    VB202 //modbus功能碼（06/03）

    VB203 //變頻器被寫地址高位/被讀數據字節個數高位

    VB204 //變頻器被寫地址低位/被讀數據字節個數低位

    VB205 //被寫數據高位/被讀數據高位

    VB206 //被寫數據低位/被讀數據低位

    VB207 //被接收數據CRC低位

    VB208 //被接收數據CRC高位

    VB217 //被接收數據CRC驗算低位

    VB218 //被接收數據CRC驗算高位

    2．CRC校驗子程序（SBR0）

    偉創AC60變頻器內置的MODBUS協議采用RTU傳輸格式，只是采用了部分MODBUS從協議（只支持03、06、08H這三種命令）通信速率比ASCII模式更快。該格式使用CRC校驗方式對每次發出或接收的數據幀進行校驗。因此，該子程序使用了多個局部變量，以方便其它子程序調用。

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【主營產品】

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2：Invensys Triconex: 冗余容錯控制系統、基于三重模件冗余（TMR）結構的現代化的容錯控制器。

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

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

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6：ABB：工業機器人備件DSQC系列、Bailey INFI 90等。

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14:工業機器人系統備件。

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Cisco Systems BPX-BXM-E3-12EX

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New CISCO 7206-IPV6/ADSVC/K9 | incl 19% VAT | 2 years Cybertrading warranty

New CISCO WS-C4507RES6L+96V+ | incl 19% VAT | 2 years Cybertrading warranty

New CISCO WS-C4507RES6L-96V+ | incl 19% VAT | 2 years Cybertrading warranty

New CISCO WS-C4507RE-S7L+96 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems N2K-C2248PQF | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems AS5400-DC

Cisco Systems ASA5520-AIP40-K8

New Cisco Systems 12000-SIP-601 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems ASA5500-SSL-750 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems L-ASA-SSL-750

Cisco 7600-ES+4TG3CXL   -  NEW SELED  -   OPPORTUNITY

Cisco Systems SPA-1CHSTM1/OC3V2

New CISCO N3K-C3064TQ-10GT | incl 19% VAT | 2 years Cybertrading warranty

 CISCO CRS-FCC-SC-22GE | incl 19% VAT | 2 years Cybertrading warranty

 CISCO BPX-BXM-E3-12EX | incl 19% VAT | 2 years Cybertrading warranty

 CISCO UCS-FI-6296UP-CH2 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO UCS-FI-6296UP-UPG | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems DS-C9148-48P-K9 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems 7603-AC-BUN | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems 7603-DC-BUN | incl 19% VAT | 2 years Cybertrading warranty

New CISCO 7609S-S32-8G-B-P | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems 7609S-SUP720B-P | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems ASA5525-CU-K9 incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems CISCO7604/PDSN | incl 19% VAT | 2 years Cybertrading warranty

Cisco 76-ES+XC-40G3C Cisco 7600 ES+XC Combo 20x1GE/ 2x10GE, DFC3C

New Cisco Systems WS-X4748-SFP-E incl 19% VAT // 2 years IT4Trade warranty

Cisco Systems U7246VXR-ONE28UG2

New Cisco Systems VS-S720-10G-3C | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems A9K-MOD80-SE | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems CTS-INTP-C40-WC-K9

 CISCO SPA-1CHSTM1/OC3V2 | incl 19% VAT | 2 years Cybertrading warranty

New CISCO C3945E-CME-SRST/K9 | incl 19% VAT | 2 years Cybertrading warranty

CISCO - ASR1002-5G/K9 - ASR1002 w/ESP-5G,AESK9,4GB DRAM

CISCO  15454-10GE-XPE= 4x10ge Enhanced Crossponder Nob 3YR WNTY

NEW IN BOX CISCO ASA5555-K9 Firewall Edition Security Appliance ASA5555-X

UBR-MC3GX60V 24US/48DS 3 A?OS DE GARANTIA

Cisco WAVE-7541-K9 Wide Area Virtualization Engine WAAS, 2,8TB 2x PWR-WAVE-650W

#NEW# Cisco ASA5555-K9 Firewall Security Appliance #FAST SHIPMENT#

New Cisco Systems ASA5500-SSL-750 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems ASA-SSL-100-750

Cisco Systems L-ASA-SSL-750

New Cisco Systems L-ASA-SSL-750 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems ASA5500-SSL-750 | incl 19% VAT | 2 years Cybertrading warranty

Cisco WS-C4506-E - 2x -X45-SUP7L-E, 2x X4648-RJ45-E, 2x X4648-RJ45V+E, 2x 1400AC

New CISCO C3925E-VSEC-SRE/K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco UCSC-C240-M3S dual P/S 24x 600GB 6Gb SAS, 2x Xeon  E5-2690v2, 192GB (16GB)

Cisco Systems ASR1001X-2.5G-K9

CISCO SG550XG-48T 48-PORT 10GBASE-T STACKABLE MANAGED      IN

New CISCO WS-C4500X-24X-ES | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems N77-C7718-FAB-2

NEW SEALED CISCO VS-S2T-10G-XL - Sup2T, 2x10GbE, 3x1GbE w/ MSFC5 PFC4XL - 3YR W

CISCO A9K-16T/8-B - 2-Port 10GE, 20-Port GE Low Queue LC - 3YR Warranty

CISCO 7606-S w/ 1x RSP720-3C-10GE, 2x PWR-2700-AC CISCO7606-S - 3YR Warranty

CISCO WS-X6908-10G-2TXL Catalyst 6900 8-Port 10 Gigabit Ethernet Fiber Module

*NEW* Cisco 7206VXR Router w/ NPE-G2 Dual AC Power Supply 2GB/256F + SA-VAM2+

CISCO 7600-ES+40G3CXL Cisco 7600 Series Ethernet Services Plus 40G Line Card

Cisco CRS-8-LCC CRS-8-FC140/S CRS-8-RP CRS-8-PSH-DC CRS-PM-DC CRS-8/S Spare 140G

Cisco CRS-8-LCC CRS-8-FC140/S CRS-8-RP CRS-8-PSH-AC CRS-PM-AC CRS-8/S Spare 140G

CISCO CTI-4505-MCU-K9 Telepresence Voice/Video/Data Server

Cisco ASA5550-SSL5000-K9 w SSM-4GE Module, VPN Premium Plus Security FireWall

Cisco CPAK-100G-LR4   Transceiver module, 10km SMF

NEW CISCO N7K-SUP2E Nexus 7000 2ND Generation Supervisor Enhanced Module

CISCO A9K-MOD80-OPT-LIC ADVANCED OPTICS LICENSE FOR MOD80 3 YR WARRANTY

CISCO CPAK-10X10G-LR CPAK10X10GLR, TRANSCEIVER MODULE, 3 YR WARRANTY

Cisco 1X100GBE (CRS-3 1-Port 100 Gigabit Ethernet Interface Module)

NEW Cisco RSP720-3CXL-GE 7600 Series Route Switch Processor Module

Cisco N7K-C7004 Nexus 7000 Series 4-Slot Chassis N7K-AC-3KW N7K-C7004-FAN MH

CISCO ASR1006 V02 w/ 2DC, 2x ASR1000-RP1, 2x ESP20, SIP10, 2x SPA-2X1GE-V2

CISCO C6880-X-LE Catalyst 6880-X-Chassis w/ C6880-X-FAN & Dual C6880-X-3KW-AC

CISCO  76-ES+XC-40G3C 3YR WNTY

CISCO Route Switch Processor 440 A9K-RSP440-SE

Cisco ASR-9912-SFC110  ASR 9912 Switch Fabric Card  (We buy and sell Cisco)

CISCO A9K-MPA-8X10GE ASR 9000 8-PORT 10-GIGABIT ETHERNET MODULAR PORT ADAPTER

2 Pieces Bundle of NEW Sealed Cisco WS-C4500X-16SFP+ 10 Gigabit Ethernet Switch

*New Sealed* Cisco WS-C3850-24XU-L 24 UPOE Ethernet port + C3850-NM-2-10G Module

We buy Cisco **** WS-C3850-24S-S Switch

We buy Cisco ***** WS-C3850-24XS-S  ***** (Brand New ) 3850

Cisco CISCO7606-S Router Chassis w/ 2700-AC Power & Fan + 2 x RSP720-3CXL-GE

CISCO WS-C6509-E w/ Fan & Dual Power 2x VS-S720, 2x WS-X6716, 2x WS-X6148

NEW IN BOX  CISCO RSP720-3CXL-10GE Cisco7600 Router Switch Processor !SHIP FAST!

*New* CISCO N7K-F248XP-25E Nexus 7000 Enhanced F2-Series 48 Port 1G/10G

Cisco 15454-OPT-RAMP-C WOGUADWEAA ONS 15454 RAMAN PUMP MODULE C-Band + Warranty

New Sealed Cisco WS-X6716-10G-3CXL 16-Port 10GigE Mod 6716 w/ DFC3CXL

Cisco Systems C3925-WAAS-UCSE/K9

CISCO A9K-MPA-2X40GE ASR 9000 2-PORT 40GE MODULAR PORT

Cisco UCSC-C240-M3S dual P/S 24x 600GB SAS, 2x Xeon E5-2667v2, 32GB 1600 MHz

NEW Cisco ISR4451-X-AX/K9 Cisco ISR 4451 AX Bundle w/APP, SEC license

 CISCO AS535XM-4E1-120-D | incl 19% VAT | 2 years Cybertrading warranty

Cisco 7600-ES+4TG3CXL Switch Line Card 1YearWarranty 2+Available

Cisco 15454-OC192-LR2 Optics Line Card 1YearWarranty 2+Available

Cisco Nexus N5K-C5548P-B-S16 Managed Switch 1YearWarranty 2+Available

Cisco Systems N3K-C3132Q-40GE

 CISCO ASR1001X-2.5G-K9 | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems WAVE-694-K9 | incl 19% VAT | 2 years Cybertrading warranty

NEW Sealed WS-C3850-12XS-E 12 SFP+ Ethernet ports Switch w/ 350WAC power supply

Cisco A9K-2T20GE-L 2-Port 10GE Line Card, Expansion Module

WS-C6506-E Dual 6000W P/S VS-S720-10G-3C 4x WS-X6704-10GE WS-X6708-10G-3CXL

Cisco Systems L-FLSA1-2X-10-20G

 Cisco Systems A9K-4T-E | incl 19% VAT | 2 years Cybertrading warranty

*Good Condition* Cisco A9K-2T20GE-L Ethernet Line Card ** Fast Shipment **

New CISCO C3925E-VSEC-CUBEK9 | incl 19% VAT | 2 years Cybertrading warranty

 CISCO ASR1001X-2.5G-K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco UCSB-B200-M3 256GB, 2x Intel E5-2667 v2/130W, 1TB SAS 7.2K RPM

NEW IN BOX CISCO AIR-CT5508-500-K9 AIRONET 5508 CONTROLLER W/500 APS *SHIP FAST*

CISCO7606-S Chassis w/ Dual Power 2x RSP720-3CXL-GE Supervisor

*New Sealed* Cisco WS-C3850-12XS-E 12 SFP+ Ethernet ports w/ 350WAC power supply

NEW Sealed Cisco RSP720-3CXL-10GE Cisco 7600 Series RSP720-10GE with PFC-3CXL

Cisco PXM1E-8-155

New CISCO L-FLSA1-2X-10-20G | incl 19% VAT | 2 years Cybertrading warranty

New CISCO C3925-WAAS-UCSE/K9 | incl 19% VAT | 2 years Cybertrading warranty

NEW Cisco WS-C4500X-32SFP+ w/ 2x C4KX-PWR-750AC-R Power,C4KX-NM-8SFP+ Module

New Sealed Cisco RSP720-3CXL-10GE 7600 Series RSP720-10GE with PFC-3CXL Module

*New In Box* 2x CISCO AIR-CT5508-50-K9 Wireless Controller w/ 50 APs *Ship Fast*

Cisco Systems WS-X6824-SFP-2TXL

*NEW SEALED* CISCO WS-C3850-32XS-S 2 Years Warranty/VATfree 9000€  3850

 Cisco Systems U7246VXR-ONE28UG2 incl 19% VAT // 2 years IT4Trade warranty

Cisco WS-C4506-E 2x X45-SUP7L-E, 4x WS-X4648-RJ45-E, 2x 1000AC

Cisco Systems AS535XM-VXML-120-V

 CISCO VG350-144FXS/K9 | incl 19% VAT | 2 years Cybertrading warranty

New Juniper EX-XFP-10GE80KDWDM | incl 19% VAT | 2 years Cybertrading warranty

NEW Cisco WS-C4500X-F-16SFP+ Catalyst 16 Port Switch w/ C4KX-PWR-750AC-F Power

Cisco UCSB-B200-M3 10x 16GB DDR3, 2x E5-2630, 2x 900GB 6Gb SAS

CISCO - WS-X6908-10G-2T - C6K 8 port 10 Gigabit Ethernet module with DFC4

 CISCO 7609S-RSP720CXL-P | incl 19% VAT | 2 years Cybertrading warranty

 CISCO C3945-WAAS-SEC/K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco UCSB-B200-M3 256GB, 2x Intel 2.4 GHz E5-2609/80W, 500GB 6Gb SATA 7.2K RPM

Cisco Systems VG350-144FXS/K9

Cisco Nexus N5K-C5596UP-FA Switch Chassis

Cisco Systems WS-C3750X-48U-E

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

Cisco Systems ASA5580-20-10K-K9

Cisco Catalyst 3750X-48P-S - Switch - verwaltet

Cisco UCSC-C240-M3S dual P/S 18x 600GB 6Gb SAS, 2x Xeon E5-2680v2, 288 (16GB)

CISCO ASR1004 w/ 2AC, ASR1000-RP1, ESP20, SIP10, 10X1GE, 1X10GE - 3YR Warranty

CISCO ASR1004 w/ 2AC, ASR1000-RP1, ESP20, SIP10, 1X10GE, 5X1GE - 3YR Warranty

*New In Box* CISCO AIR-CT5508-500-K9 Air 5508 Wireless LAN Controller 500 Ap's

#NEW# Cisco AIR-CT5508-500-K9 Aironet 500 AP Controller #FAST SHIPMENT#

New Cisco Systems WS-X4748-SFP-E | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems WS-C4506-S2+96 incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems ASA5540-UC-BUN-K8 incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems ASA5540-UC-BUN-K9 incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems ASA5545-2SSD120-K9 incl 19% VAT // 2 years IT4Trade warranty

*NEW* CISCO ASR1001-X with 20G Throughput ASR1001X-20G-K9 2YearsWnty 16G RAM

Cisco Systems WS-C4928-10GE

New Cisco Systems WS-X6816-10G-2T | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems 15454-OPT-AMP-C

Cisco Systems A9K-2T20GE-L

 Cisco Systems PXM1E-8-155 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems ASA5580-20-10K-K9

Cisco UBR-MC3GX60V Broadband Processing Engine UBR10K 48DS 24US

NEW IN BOX CISCO AIR-CT5760-50-K9 CISCO 5760 WLS 90DAYS WARRANTY **SHIP FAST**

Cisco DS-X9448-768K9 MDS 9700 48-Port 16-Gbps Fibre Channel Switching Module

#NEW# Cisco AIR-CT5760-50-K9 5700 Series Wireless Controller #FAST SHIPMENT#

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

 CISCO ASA5580-20-10K-K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems ACE-4710-4F-K9

Cisco Systems 7604-RSP7C-10G-P

Cisco Systems 7609-RSP720CXL-R

Cisco Systems MXE-5600-K9

Cisco Systems 7609S-RSP720CXL-P

New Cisco Systems WS-X4748-SFP-E | incl 19% VAT | 2 years Cybertrading warranty

New CISCO C3945-VSEC-PSRE/K9 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems WS-X4748-SFP-E | incl 19% VAT | 2 years Cybertrading warranty

NEW Sealed Genuine Cisco ASA5545-K9 ASA 5500-X Series Next Generation Firewalls

Cisco Systems ASR5K-PSC-64G-K9

CISCO (WS-C3850-12X48U-S) CISCO CATALYST 3850 48 PORT (12 MGIG+36 GIG) UPOE IP B

Cisco Systems L-ASA-SSL-500

NEW Cisco WS-C4500X-32SFP+ w/ C4KX-NM-8SFP+ Module, Dual C4KX-PWR-750AC-R Power

Cisco Systems ESA-C370-K9

CISCO - RSP720-3C-10GE - Cisco 7600 Route Switch Processor 720Gbps fabric, PFC3C

Cisco Systems 7604-RSP7C-10G-P

Cisco Systems 7609-RSP720CXL-R

Cisco Systems ACE-4710-4F-K9

Cisco Systems AS5850-EG-SK

 CISCO ASR5K-PSC-64G-K9 | incl 19% VAT | 2 years Cybertrading warranty

 Cisco Systems ACE-4710-4F-K9 | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems MXE-5600-K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco UBR-MC88V DOCSIS 3.0 Broadband Processing Engine 1 Year Warranty

NEW SEALED Cisco WS-C4948E-F-S Catalyst Switch 1YearWarranty 2+Available

New Cisco Systems L-ASA-SSL-500 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems ASA-SSL-100-500

Cisco Systems ASA5500-SSL-500

New Cisco Systems SPA-2X1GE-SYNCE | incl 19% VAT | 2 years Cybertrading warranty

New Cisco Systems WS-C3850-48F-E incl 19% VAT // 2 years IT4Trade warranty

 Cisco Systems WS-X4748-12X48U+E incl 19% VAT // 2 years IT4Trade warranty

Cisco Systems ESA-C370-K9

Cisco Systems N3K-C3172PQ-10GE

CISCO - SPA-1XOC48POS/RPR= - 1-port OC48/STM16 POS/RPR Shared Port Adapters

Cisco WS-C4506-E - 2x X45-SUP7L-E, 3x X4648-RJ45V+E, 1400AC

NEW IN BOX CISCO NEXUS N3K-C3064TQ-10GT  48 x 10GBase-T + 4 x QSFP+ **SHIP FAST*

NEW Cisco 7206VXR Router w/ NPE-G2 Dual AC Power Supply 2GB/256F SA-VAM2+ Module

Cisco UCSC-C240-M3S dual P/S 24x 600GB 6Gb SAS, 2x Xeon E5-2667v2, 128GB (8GB)

Cisco WS-C4506E-S6L-96V+ Cayalyst Switch 1YearWarranty 2+Available

NEW SEALED Cisco 7600-SIP-600 SPA Interface Processor 600 1YearWaranty 2+Avlble

NEW SEALED Cisco SM-D-72FXS Double Wide Service Module 1YearWarranty 2+Available

Cisco VS-C6506E-S720-10G Switch 1YearWarranty 2+Available

Cisco 15454-OPT-RAMP-C (800-29479-03) ONS 15454 RAMAN PUMP MODULE

New Cisco Systems L-ASA-SSL-500 | incl 19% VAT | 2 years Cybertrading warranty

Cisco UCSB-B200-M3 192GB (32GB), Intel 3.30 GHz E52667v2, 600GB 6Gb SAS 10K

CISCO CRS-FP140 CRS FORWARDING PROCESSOR 140G "NEW IN BOX"

CISCO CATALYST 3650 48 PORT DATA 2X10G UPLINK IP SERVICES    IN

 Cisco Systems ESA-C370-K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems ASR5K-PSC-64G-K9

New Cisco Systems SPA-2X1GE-SYNCE | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems 76-ES+XC-20G3CXL

Cisco Systems CRS1-SIP-800

Cisco Systems DS-C9506-2AK9

Cisco WS-C6504-E Dual P/S 2x VS-S720-10G-3C  WS-X6716-10G-3C WS-X6708-10G-3CXL

CISCO - ASA5555-K9 - ASA 5555-X w/SW, 8GE Data, 1GE Mgmt, AC, 3DES/AES

New Cisco Systems WS-C3850-48U-E incl 19% VAT // 2 years IT4Trade warranty

New CISCO CISCO3925E-SEC/K9 | incl 19% VAT | 2 years Cybertrading warranty

NEW Cisco RSP720-3CXL-10GE 7600 Route Switch Processor 1YearWarranty 2+Available

#NEW# Cisco RSP720-3CXL-10GE 7600 Series Module #FAST SHIPMENT#

CISCO WS-X6816-10G-2TXL 16-Port 10 Gigabit Ethernet Fiber Module with DFC4XL

*NEW SEALED* Cisco RSP720-3CXL-10GE 7600 Series RSP720-10GE Module with PFC-3CXL

*Good Condition* Cisco WS-X6816-10G-2TXL Ethernet Interface Card * Fast Ship *

~NEW SEALED~ CISCO WS-C3850-24XU-E Stackable 24 Port Switch ~FAST DELIVERY~

Cisco Systems N7K-SUP2E

New Cisco Systems WS-SVC-FWM-1-K9 | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems ASR1000-2T+20X1GE

 CISCO 76-ES+XC-20G3CXL | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems AS5400-AC

Cisco Systems 7204VXR/CPE

New Cisco Systems 7600-PFC3C-10GE | incl 19% VAT | 2 years Cybertrading warranty

Cisco Systems 10000-1P3-1AC

Cisco Systems 10000-2P2-2AC

New CISCO WS-C4500X-32SFP+ | incl 19% VAT | 2 years Cybertrading warranty

CTI-VCS-EXPRESS-K9 Cisco TelePresence Video Communication Server Expressway

CTI-VCS-CONTRL-K9 Cisco TelePresence Video Communication Server Control

~GOOD CONDITION~ CISCO WS-X6816-10G-2TXL 16 Port Fiber Module ~FAST DELIVERY~

Cisco UCSC-C220-M3S w/dual P/S-E5-2680, 8x 300GB 6Gb SAS, 2x 32GB DDR3

~GOOD CONDITION~ CISCO WS-X6904-40G-2TXL 4 Port Ethernet Module ~FAST DELIVERY~

New Cisco Systems VS-S720-10G-3C incl 19% VAT // 2 years IT4Trade warranty

NEW SEALED CISCO WS-X6908-10G-2TXL Switch 1YearWarranty 2+Available

New ASR1000-ESP40 Cisco ASR 1000 Series 40-Gbps New Sealed

New Cisco Systems SPA-2X1GE-SYNCE | incl 19% VAT | 2 years Cybertrading warranty

 CISCO 76-ES+XC-20G3CXL | incl 19% VAT | 2 years Cybertrading warranty