Cisco Systems UBR10012 Testing with Digital Multimeters and Cable Testers, Equipment Description

A P P E N D I X B

Recommended Tools and Test Equipment

Table B-1lists the basic tools and test equipment necessary to perform general maintenance and troubleshooting tasks on the Cisco uBR10012 router.

Table B-1 Recommended Tools and Test Equipment

Equipment	Description
Number 2 Phillips and flat-head	Small and medium-sized.
screwdrivers
Voltage tester	Refer to the “Testing with Digital Multimeters and Cable
	Testers” section on page B-1.
Optical fiber test equipment	Refer to the “Testing with Digital Multimeters and Cable
	Testers” section on page B-1.
Cable testing equipment	Refer to the “Testing with Digital Multimeters and Cable
	Testers” section on page B-1.
ESD-preventive wrist or ankle	—
strap with connection cord

The following sections describe advanced testing equipment to aid in complex problem isolation.

Testing with Digital Multimeters and Cable Testers

Use a digital multimeter to measure parameters such as AC and DC voltage, current, resistance, capacitance, cable continuity. Use cable testers, also, to verify physical connectivity.

Use cable testers (scanners) to check physical connectivity. Cable testers are available for shielded twisted pair (STP), unshielded twisted pair (UTP), 10BaseT, and coaxial and twinax cables. A given cable tester might be able to perform any of the following functions:

•Test and report on cable conditions, including near-end crosstalk (NEXT), attenuation, and noise.

•Perform time domain reflectometer (TDR), traffic monitoring, and wire map functions.

•Display Media Access Control (MAC) layer information about LAN traffic, provide statistics such as network utilization and packet error rates, and perform limited protocol testing (for example, TCP/IP tests such as ping).

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

OL-1237-01 B-1