Related Topics:
Viewing Responding Alarms-
Viewing the Port Speed of a Fiber Optic Switch
You can check the port speed on a Cisco network switch from its command-line interface (CLI) by logging into the switch and then issuing the show interface command. Log in to the switch using appropriate credentials (username and password). Use the "show interface. In order to check the speed and duplex setting of an interface on switch is show int gig 0/12 it will show the detail of the interface with duplex setting and spped negotitaed with the peer end device. Complete the following steps to view the status and configuration of all ports for a specific switch. The Switches page is displayed. Make sure. I know that "show cable-diag tdr int [slot/port]" command can check 10/100/1000 etherent link.
-
Angled fiber optic panel viewing angle
Proven by rich experience and experimental verification, an angle of 8-degree is the best. An angled connector is typically -65dB or lower. According to different end face angles, there are three types of optical fiber end face polishing methods: PC, UPC, and APC. The angle-cleaved fiber facet and the compensating fiber-mode tilt angle can be introduced using the combination of a Coordinate Break (CB) surface and a Tilted Image surface, one of three. It depends on the fiber details how large the cleave angle needs to be for a high feedback suppression. For a usual single-mode fiber, for example, the mode has a beam divergence of several degrees. The end surface of side-fire. Optical fibers are circular dielectric wave-guides that can transport optical energy and information. Light is injected into the fiber at a specific incident angle, and total internal reflection then takes place at the boundary between the core and the cladding because the cladding has a lower refractive index than the core. Without the cladding, light would go in all directions and exit the core.
[PDF Version]
-
How to clear alarms on industrial switches
In such cases you can use the Deactivate Alarms utility to remove these permanently active alarms from the Alarms viewer. Do not incorrectly configure the software or the devices. Do not base your maintenance or service actions solely on messages and information displayed by. This chapter describes how to configure alarms on the Cisco Industrial Ethernet 2000U Series (IE 2000U) and Connected Grid Switches, hereafter referred to as switch. This chapter includes the following sections: For complete syntax and usage information for the commands used in this chapter, see. The alarm output function of an industrial-grade switch is one of the key features that ensure reliable operation in industrial automation and control environments. In this tutorial, you'll learn how to set up and use Alarms and Syslog features to keep your network running smoothly and detect issues before they cause downtime. This option would be recommended if.
[PDF Version]
-
How to handle self-test alarms from relay protection devices
Monitor the relay self-test alarm contact in real-time via supervisory control and data acquisition (SCADA) or another monitoring system. One of the many advantages of SEL protective relays is their automatic self-testing capability. They safeguard equipment, prevent outages, and ensure the stability of power systems by detecting faults and isolating affected sections. If you've been in protection testing for a while, you'll know the job has changed – not always for the better. An earlier paper by these authors showed that reliance on relay self-testing features safely allows the utility to increasethe traditional routine maintenance interval for. The testing and verification of relay protection devices can be divided into four groups: Type tests are needed to prove that a protection relay meets the claimed specification and follows all relevant standards.
[PDF Version]