Console cable connect via RJ45 port to switch or router (Cisco), the other side to pc interfave connect via serial port, usually db9 port. This cable ussualy use for admin the cisco hardware, configuring, setting up and so monitoring.
Thursday, March 04, 2010
db9 serial null modem cable, suitable for mikrotik console

The main purpose of a null-modem cable is to permit two RS-232 "DTE" devices to communicate with each other without modems or other communication devices (i.e., "DCE"s) between them.
To achieve this, the most obvious connection is that the TD signal of one device must be connected to the RD input of the other device (and vice versa).
Mikrotik console cable use this serial null modem cable
To achieve this, the most obvious connection is that the TD signal of one device must be connected to the RD input of the other device (and vice versa).
Mikrotik console cable use this serial null modem cable
db60 crossover cable
Smart Serial crossover cable
Wednesday, March 03, 2010
used PWR-1700-WW1- Cisco 1700 series power supply
used Cisco1721 modular router

The Cisco 1721 is a modular router optimized for data-access applications, providing businesses with the most complete functionality and flexibility to deliver secure Internet and Intranet access. The router offers a wide array of WAN access options, high-performance routing, Quality of Service, inter-virtual LAN routing, and VPN access with firewall options. Powered by Cisco IOS, the Cisco 1721 offers high reliability and flexibility of interchangeable WAN interface cards, comprehensive security that includes hardware-assisted VPN encryption and a stateful inspection firewall, and business-class DSL with enhanced quality of service to ensure high-performance levels are guaranteed.
Key Benefits:
* Cost-effective modular device optimized for data-access applications
* Offers a wide array of WAN access options, high-performance routing, VLAN routing, and VPN access with firewall options
* Offers business-class DSL through ADSL and G.SHDSL technologies with enhanced QoS
used WIC-4ESW, 4-Port Fast Ethernet Switch, for Cisco 1700 Series Modular Routers

The Cisco 4-port 10/100BASE-T Fast Ethernet Switch WAN Interface Card (WIC-4ESW) for Cisco 1700 Series modular access routers is an intelligent managed switch, offering small businesses and enterprise small branch office customers the option to integrate LAN switching and routing into one platform. The advanced capabilities of theWAN interface card (WIC), including VLAN support, Spanning Tree Protocol, and traffic prioritization, provide the flexibility for customers to deploy different network configurations.
used WIC-1B S/T, 1-port ISDN BRI S/T WAN Interface Card
Offering a single ISDN BRI S/T interface, this WIC may require an external Network Termination 1 (NT1), depending on the region of the world. The WIC inserts into a mixed-media network module or directly into the WIC slot on the Cisco 1600, 1700, 1800, 1900, 2600, 2800, 2900, 3600, 3700, 3800, and 3900 Series Integrated Services Routers. The ability to add BRI connectivity through a WIC enables
administrators to maximize valuable slot space while providing additional connectivity options, such as Ethernet, on the same module.
Features:
• One ISDN BRI port (S/T interface, requires external NT1)
• Utilizes an RJ-45 connector
• Supported Onboard, NM-1FE2W-V2, NM-1FE1R2W, NM-2FE2W-V2 and NM-2W
administrators to maximize valuable slot space while providing additional connectivity options, such as Ethernet, on the same module.Features:
• One ISDN BRI port (S/T interface, requires external NT1)
• Utilizes an RJ-45 connector
• Supported Onboard, NM-1FE2W-V2, NM-1FE1R2W, NM-2FE2W-V2 and NM-2W
used WIC-1T , 1 port WAN interface Card

The WIC-1T features the Cisco 5-in-1 connector which supports several serial protocols (V.35, X.21, RS-232, RS-449, RS-530) when used with the appropriate transition cable. This facilitates easy configuration and re-configuration as network requirements change without the need to purchase a different serial interface card.
Note: When used in Cisco 1720 and 1600 Series Routers, the WIC-1T may also be operated in asynchronous mode. The WIC-1T is not supported in asynchronous mode when used in Cisco 2600 and 3600 Series Routers.
Note: When used in Cisco 1720 and 1600 Series Routers, the WIC-1T may also be operated in asynchronous mode. The WIC-1T is not supported in asynchronous mode when used in Cisco 2600 and 3600 Series Routers.
Tuesday, March 02, 2010
Stepper Motor Driver by Smart Peripheral Controller

Stepper Motor driver release by Smart Peripheral Controller (SPC) can drive and controlled up to 8 stepper motor in one system. Built in compatibility with any minimum system that work at 5 VDC and equipped with ready for use routines.
Technical Specifications:
- base on SPC
- have I2C interface and 5 paralel port
- Wide develop up to 8 modules in 1 system
- unipolar and or unipolar stepper motor compatible
- half or full running mode stepper motor compatible
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