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Patch panels are groups of ports used to connect lines between communications and electronic devices. Connections are made manually with small patch cords, and are easier to wire than automatic switches. Wireless patch panels are also available
Search by Specification | Learn MoreMicrocontrollers (MCU) are complete computer systems on a chip. They combine an arithmetic logic unit (ALU), memory, timer/counters, serial port, input/output (I/O) ports and a clock oscillator
Search by Specification | Learn MoreBit error rate testers are devices or procedures that measure the bit error rate (BER) for a specific transmission.
Search by Specification | Learn MorePower over Ethernet (PoE) controllers are used to control the delivery of DC power and data from power source equipment (PSE) to powered devices (PD).
Learn MoreTerminal blocks are modular, insulated blocks that secure two or more wires together. Terminal blocks consist of an insulating body and a clamping device. Their flexibility allows wiring to be centralized and makes it easier to maintain complex control circuits
Search by Specification | Learn MorePillow block bearings are mounted bearings that are used to provide load support for a rotating shaft’s axis. 
Search by Specification | Learn MoreGage blocks are manufactured to precise gagemaker tolerance grades for calibrating, checking, and setting fixed and comparative gages
Search by Specification | Learn MorePCB terminal blocks are modular, insulated devices that mount on printed circuit boards (PCBs) and secure two or more wires together. Some have integral pin terminals and mount through holes in the board. Others plug into PCB-mounted pin strips
Search by Specification | Learn MoreDC blocks are used to prevent DC energy from flowing through sensitive RF components
Learn MorePCMCIA serial adapter cards provide one or more serial ports for a host computer. They interface with the host via a PCMCIA card bus and add RS232, RS422, or other types of serial ports
Learn MoreSerial communication products are used in industrial and commercial systems to transmit data bit-by-bit, or sequentially, over a single wire. They include serial servers, serial hubs, serial adapters, serial data converters, serial routers, and serial multiplexers.
Search by Specification | Learn MoreParallel industrial communications computer boards are boards or ports that transmit character data (byte) by sending the bits down parallel electrical paths simultaneously
Learn MoreCompactPCI controllers and CompactPCI processors are rugged, high-speed computer boards and single board computers that control data transfers between devices in CompactPCI and PXI networks. These devices also control the status of interrupts, interrupt requests (IRQs), registers, and triggers as well as network instruments for testing and analysis.
Search by Specification | Learn MoreSafety blocks prevent damage to equipment or personnel by stopping the ram and die of a press from closing whenever dies are being repaired or adjusted
Learn MoreSerial communication adapters provide one or more serial ports to a host computer. They interface with the host computer via a data bus and add RS232, RS422, RS485 and/or other types of serial ports
Search by Specification | Learn More|
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Smart Serial RS-232 DCE-DTE Patch Panel Components Express, Inc.
Custom Passive Patch Panels White Sands Engineering
32 Port CAB-OCTAL-ASYNC Patch Panel Components Express, Inc.
8 Port T1 Patch Panel Components Express, Inc.
32 Port Octal Async Patch Panel Components Express, Inc.
AIC-1 Patch Panel Components Express, Inc.
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GlobTek's GT-91093-HPOE Power over Ethernet Midspan family offers cost effective and reliable solution for remote powering of Wireless LAN Access Points, Voice over IP phones, Security Cameras, RFID readers and other IP terminals up to 38.5 Watts over existing network infrastructure. (read more)
Moxa's EDS-728 24+4G-port modular Gigabit Ethernet switch has a versatile modular design that allows different combinations of fiber and copper modules, creating a wide array of connection options ideal for any automation network. It is designed for redundant Gigabit network backbones and uses a modular configuration to provide a high degree of flexibility for network expansion. (read more)
Moxa's EDS-828 delivers the full-wired speed of Layer 3 switching and a redundant Gigabit backbone in a modular platform, making it suitable for critical network connections with high data transmission rates. Layer 3 switching helps organize and optimize your LAN segment choice, and upgrade flexibility is guaranteed with the interchangeable Gigabit and Fast Ethernet modules. (read more)
Multi-Port Distribution Blocks for MIN, MICRO(M12), & NAN(PICO or M8) connectors. (read more)
Designed for rugged environments, the EtherWAN Hardened Switch EX9200 Fiber Series comes with 8, 12, 16 or 24 100Mbps Fiber ports and up to 2 Gigabit ports. The EX9200 functions at temperatures ranging from -40°C to 75 °C(-40°F to 167°F). Fully manageable via SNMP, the EX9200 Series switches are designed to integrate 100 Base networks into fiber optic Gigabit . (read more)
Over view
The EX2224S/3224S is equipped with advanced management functions and based on a Single-Chipset provides greater value than some competitive models. The EX2224S provides 24 fixed TX ports and two slots for single-port M1000 Series Gigabit Modules. The EX3224S provides 16 fixed TX ports and three slots for optional modules for more flexibility in fiber optic connectivity. (read more)
Designed for rugged environments, the EtherWAN Hardened EX9224S Series Gigabit Switch with up to two Gigabit ports functions at temperatures extremes of -40°C to 75°C(-40°F to 167°F) and is tested for functional operation @ -40°C to 85°C(-40°F to 185° (read more)
The new Model 24, which designates a 24mm (.945 inch) bore, is available in both metric and Imperial configurations. It is built with the same properties Airpel introduced to the world in 1994. Namely, for demanding instrument-quality applications and routine uses. The unit will respond to pressure differentials as low as 0.2 psi to as high as 100 psi. (read more)
The IKS-6726 is designed for the rigorous demands of industrial networks such as traffic control systems (NEMA TS2) and maritime applications (DNV/GL). The IKS-6726's Gigabit and fast Ethernet backbone, redundant ring, and 24/48 VDC or 110/220 VDC/VAC dual isolated redundant power supplies increase the reliability of your communications and save on cabling and wiring costs. (read more)
AutomationDirect offers DIN rail-mounted terminal blocks (DINnectors) and power distribution blocks at savings up to 50%. Products include: screw and screwless terminal blocks and finger-safe and open style terminal blocks. (read more)
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Text-Terminal-HOWTO 7.1 Serial Port Terminals 7.2 Pseudo Terminals 9.2 Multiple Sessions 9.3 Printer/Auxiliary Port 9.4 Pages |
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Single list of HOWTOs< 8021X-HOWTO, 802.1X Port-Based Authentication HOWTO |
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Audio/Video Transport (avt) Charter ITU-T Recommendation G.711.1 (29385 bytes) Post-Repair Loss RLE Report Block Type for RTCP XR (17413 bytes) RTP Payload format for G.719 (67826 |
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Firewalls FAQ o 3.11 How can I block all of the bad stuff? Can't I just poke a hole in the firewall and tunnel that port? |
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Network Performance Effects of HTTP/1.1, CSS1, and PNG NOTE 24-June 1997 This version: http://www.w3.org/TR/NOTE |
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RCX Internals by downloading 16K of firmware to the RCX. Both the driver and firmware accept and execute commands from the PC through the IR communications port. |
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Using Linux iptables or ipchains to set up an internet gateway... 24 bit block in class A 10.0.0.0 10.255.255.255 |
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reichelt elektronik - OnlineShop für PC-Komponenten,... |
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portaudit: Vulnerability list 2008-10-24 wordpress -- snoopy "_httpsrequest()" shell command execution vulnerability 2008-09-24 mozilla -- multiple vulnerabilities |
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Cisco Security Advisory: Vulnerabilities in H.323 Message... are not using H.323 within your network, an inbound access list to block TCP port 1720 will protect your router, but it is recommended that you See Cisco Systems, Inc. Information |