Knowledge Computers 为客户提供新旧二手思科（CISCO）全系列产品，包括二手思科路由器、交换机、模块、配件、软件及CCIE，CCVP实验设备，产品涵盖了高中低端， 我们以市场最低的价格为世界各地客户提供各种型号的思科Cisco网络产品。
Knowledge Computers 以互联网设备为主要销售目标，我们的互联网产品种类超过上千种，包括各种品牌路由器,转换器,防火墙, IP电话,各种商业服务器，同时我们为顾客提供全方位的售后服务，无论是一个小小的路由器还是数据中心相关设备，我们都真诚的为您服务。 今天就联系我们的技术销售顾问，让我们帮您节省时间和金钱,我们的专业技术销售顾问，将以各种语言为您服务，我们的专业互联网知识， 也将帮您在互联网设备投资上节省很大一笔。
| 产品型号 | 简要概括 | 索取报价 |
| Cisco PA-12E/2FE |
Cisco Dual-Wide Ethernet-Switch Port Adapter |
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| Cisco PA-1C-E |
Cisco 1-Port ESCON Channel Port Adapter |
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| Cisco PA-1C-P |
Cisco 1-Port Parallel (Bus & Tag) Channel Port Adapter |
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| Cisco PA-2CE1/PRI-120 |
Cisco 2-port Channelized E1/ISDN-PRI Module (120 Ohm) |
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| Cisco PA-2CE1/PRI-75 |
Cisco 2-port Channelized E1/PRI Port Adapter (75 Ohm) |
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| Cisco PA-2CT1/PRI |
Cisco 2-port Channelized T1/PRI Port Adapter |
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| Cisco PA-2E3 |
Cisco 2-Port E3 Serial Port Adapter with E3 DSUs |
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| Cisco PA-2FE-FX |
Cisco 2-Port Fast Ethernet 100Base FX Port Adapter |
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| Cisco PA-2FEISL-FX |
Cisco 2-Port Token Ring ISL 100BaseFx Port Adapter |
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| Cisco PA-2FEISL-TX |
Cisco 2-Port Token Ring ISL 100BaseTx Port Adapter |
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| Cisco PA-2FE-TX |
Cisco 2-Port Fast Ethernet 100Base TX Port Adapter |
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| Cisco PA-2H |
Cisco 2-Port HSSI Port Adapter |
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| Cisco PA-2T3 |
Cisco 2-Port T3 Serial Port Adapter with T3 DSUs |
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| Cisco PA-2T3+ |
Cisco 2-Port T3 Serial Port Adapter Enhanced |
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| Cisco PA-4B-U |
Cisco 4-Port BRI Port Adapter, U Interface |
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| Cisco PA-4C-E |
Cisco 1-Port Enhanced ESCON Channel Port Adapter |
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| Cisco PA-4E |
Cisco 4-Port Ethernet 10BaseT Port Adapter |
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| Cisco PA-4E1G/120 |
Cisco 4-Port E1 G.703 Serial Port Adapter (120ohm/Balanced) |
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| Cisco PA-4E1G/75 |
Cisco 4-Port E1 G.703 Serial Port Adapter (75ohm/Unbalanced) |
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| Cisco PA-4R |
Cisco 4-Port Token Ring Port Adapter |
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| Cisco PA-4R-DTR |
Cisco 4-Port Dedicated Token Ring Port Adapter, 4/16Mbps, HDX/FDX |
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| Cisco PA-4T |
Cisco 4-Port Serial Port Adapter |
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| Cisco PA-4T+ |
Cisco 4-Port Serial Port Adapter Enhanced |
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| Cisco PA-5EFL |
Cisco 5-Port Ethernet 10BaseFL Port Adapter |
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| Cisco PA-8B-S/T |
Cisco 8-Port BRI Port Adapter, S/T Interface |
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| Cisco PA-8E |
Cisco 8-Port Ethernet 10BaseT Port Adapter |
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| Cisco PA-8T-232 |
Cisco 8-Port Serial, 232 Port Adapter |
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| Cisco PA-8T-V35 |
Cisco 8-Port Serial, V.35 Port Adapter |
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| Cisco PA-8T-X21 |
Cisco 8-Port Serial, X.21 Port Adapter |
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| Cisco PA-A1-OC3MM |
Cisco 1-Port ATM OC3 Multi-Mode Port Adapter |
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| Cisco PA-A1-OC3SM |
Cisco 1-Port ATM OC3 Single-Mode Intermediate Reach Port Adapter |
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| Cisco PA-A2-4E1XC-E3ATM |
Cisco CES Port Adapter E3/E1 120 ohms |
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| Cisco PA-A2-4E1XC-OC3SM |
Cisco CES OC3 Port Adapter 4E1 Ports 120ohms |
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| Cisco PA-A2-4T1C-OC3SM |
Cisco ATM CES Port Adapter, 4T1 CES Ports and 1 OC3 ATM SM Port |
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| Cisco PA-A2-4T1C-T3ATM |
Cisco ATM CES Port Adapter, 4T1 CES Ports and 1 T3 ATM Port |
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| Cisco PA-A3-8E1IMA |
Cisco 8-port ATM Inverse Mux E1 (120 Ohm) Port Adapter |
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| Cisco PA-A3-8T1IMA |
Cisco 8-port ATM Inverse Mux T1 Port Adapter |
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| Cisco PA-A3-E3 |
Cisco 1-Port ATM Enhanced E3 Port Adapter |
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| Cisco PA-A6-OC3MM |
Cisco 1 Port Enh ATM OC3c/STM1 Multimode Port Adapter |
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| Cisco PA-DSIC |
Cisco Dial Shelf Interconnect Card |
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| Cisco PA-E3 |
Cisco 1 Port E3 Serial Port Adapter with E3 DSU |
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| Cisco PA-F/FD-MM |
Cisco 1-Port FDDI Full Duplex Multi-Mode Port Adapter |
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| Cisco PA-F/FD-SM |
Cisco 1-Port FDDI Full Duplex Single-Mode Port Adapter |
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| Cisco PA-FE-FX |
Cisco 1-Port Fast Ethernet 100BaseFx Port Adapter |
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| Cisco PA-FE-TX |
Cisco 1-Port Fast Ethernet 100BaseTx Port Adapter |
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| Cisco PA-F-MM |
Cisco 1-Port FDDI Multi-mode Port Adapter |
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| Cisco PA-F-SM |
Cisco 1-Port FDDI Single-mode Port Adapter |
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| Cisco PA-GE |
Cisco Gigabit Ethernet Port Adapter |
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| Cisco PA-H |
Cisco 1-Port HSSI Port Adapter |
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| Cisco PA-MC-2E1/120 |
Cisco 2-port multichannel E1 port adapter with G.703 120ohm interf |
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| Cisco PA-MC-2T1 |
Cisco 2 port multichannel T1 port adapter with integrated CSU/DSUs |
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| Cisco PA-MC-2T3 |
Cisco 2 port multichannel T3 port adapter |
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| Cisco PA-MC-2T3+ |
Cisco 2 port multichannel T3 port adapter Enhanced |
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| Cisco PA-MC-4T1 |
Cisco 4 port multichannel T1 port adapter with integrated CSU/DSUs |
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| Cisco PA-MC-8E1/120 |
Cisco 2-port multichannel E1 port adapter with G.703 120ohm interf |
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| Cisco PA-MC-8T1 |
Cisco 8-port multichannel T1 port adapter with integrated CSU/DSUs |
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| Cisco PA-MC-8TE1+ |
Cisco 8 port multichannel T1/E1 8PRI port adapter |
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| Cisco PA-MC-E3 |
Cisco 1 port multichannel T3 port adapter |
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| Cisco PA-MCX-2TE1 |
Cisco 2 port MIX-enabled multichannel T1/E1 PA with CSU/DSU |
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| Cisco PA-MCX-4TE1 |
Cisco 4 port MIX-enabled multichannel T1/E1 with CSU/DSU |
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| Cisco PA-MCX-8TE1 |
Cisco 8 port MIX-enabled multichannel T1/E1 PA with CSU/DSU |
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| Cisco PA-MCX-8TE1-M |
Cisco T1/E1 SS7 link Port Adapter for ITP |
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| Cisco PA-POS-2OC3 |
Cisco 2-Port Packet/SONET OC3c/STM1 Port Adapter |
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| Cisco PA-POS-OC3MM |
Cisco 1-Port Packet/SONET OC3c/STM1 Multimode PA |
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| Cisco PA-POS-OC3SMI |
Cisco 1-Port Packet/SONET OC3c/STM1 Singlemode (IR) PA |
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| Cisco PA-POS-OC3SML |
Cisco 1-Port Packet/SONET OC3c/STM1 Singlemode (LR) PA |
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| Cisco PA-SRP-OC12MM |
Cisco DPT-OC12 Multi-mode port adapter |
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| Cisco PA-SRP-OC12SMI |
Cisco DPT-OC12 Single-mode intermediate port adapter |
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| Cisco PA-SRP-OC12SML |
Cisco DPT-OC12 Single-mode long-reach port adapter |
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|
| Cisco PA-SRP-OC12SMX |
Cisco DPT-OC12 Singe-mode extended reach Port Adapter |
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| Cisco PA-T3 |
Cisco 1-Port T3 Serial Port Adapter with T3 DSUs |
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|
| Cisco PA-T3+ |
Cisco Enhanced 1-Port T3 Serial Port Adapter with T3 DSUs |
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| Cisco PA-VXA-1TE1-24+ |
Cisco 1-Port T1/E1 Digital Voice Port Adapter with 24 Channels |
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| Cisco PA-VXA-1TE1-30+ |
Cisco 1-Port T1/E1 Digital Voice Port Adapter with 30 Channels |
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| Cisco PA-VXB-2TE1+ |
Cisco 2-port T1/E1 moderate capacity enhanced voice PA |
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| Cisco PA-VXC-2TE1+ |
Cisco 2-port TE1 hi-capacity enhanced voice PA |
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| Cisco SA-VAM |
VPN Acceleration Module (VAM) IPSec and IPComp
Acceleration for 7401 and 7200 series |
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|
| Cisco SA-VAM2 |
VPN Acceleration Module 2 for the Cisco 7301 and 7200 Series |
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| Cisco SA-VAM2+ |
VPN Acceleration Module 2+ for the Cisco 7301 and 7200 |
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|
| Cisco SA-COMP/1/4 |
Adapter, Compression |
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| Cisco SA-COMP/4 |
Adapter; Compression (256 VC's Stac) SA-ENCRYPT - Encryption Service |
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| Cisco Adapter SA-ISA |
Integrated Services Adapter for IPSec or MPPE Encryption |
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