Monthly Archives: July 2012

CallManager Express GUI Bug – Version 8.8 & 9.0

Cisco CallManager Express Web Interface (GUI) bug on version CME 8.8 & 9.0. This news post serves to inform CME engineers and users about a GUI bug that renders useless the web interface as no changes can be saved. Work-around … Continue reading

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Installation and Setup of Cisco SG500-52P – 500 Series Stackable Managed Switches

This article introduces the Cisco SG500 series switches and covers basic and advanced features. Topics include: Connecting to CLI, Vlan configuration, Enabling Router mode, assigning IP addresses, default Gateway, DNS, IP routing, NTP, management methods and much more.http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/885-cisco-switches-sg500-52p.html

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Is your desk filled with Cisco Press? | Impress Cisco Press and Win Free Cisco Press Books

Cisco Press will give away Free books to three lucky winners who upload pictures of their Cisco Press collection – Let’s impress Cisco Press!! Check our link to read more on this amazing competition!!!http://www.firewall.cx/news/162-Education/884-cisco-press-awards.html

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Errdisable Port State, Enable & Disable Autorecovery Feature

This article explains the Errdisable feature on Cisco Catalyst switches. Learn why and how ports are automatically disabled/shutdown, how to configure the Catalyst switches for autorecovery from err-disable states and selectively disable Errdisable feature for different reasons.http://www.onlywire.com/r/93603777

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LPT Ports – Parallel Direct Cable Connection and pinouts

This article explains the how the PC parallel port works and its pinouts. Covered topics include type of parallel ports, pinouts, 4 and 8 bit ports, EPP Port, ECP Port, transfer speeds and more. We show how to create a … Continue reading

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Understanding Serial Direct Cable Connection

This article explains the concept of serial data connections. Topics covered include: PC Serial ports, pinouts, speeds, connector interfaces (db9, db25), null modem cable pinout (db9 and db25) and much more. Included are diagrams with all pinouts and functions.http://www.firewall.cx/networking-topics/cabling-utp-fibre/121-network-serial-cable.html

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CAT5, CAT5e, CAT6 UTP X-Over Cable

This article shows how to create a UTP cross-over (x-over) cable using CAT5, CAT5e or CAT6 cable. We explain when UTP crossover cable is required, how to use it and its differences with UTP straight-thru cable. Detailed diagrams and information … Continue reading

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