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B-1
Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
OL-1237-01
APPENDIX
B
Recommended Tools and Test Equipment
Table B-1 lists the basic tools and test equipment necessary to perform general maintenance and
troubleshooting tasks on the Cisco uBR10012 router.
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).
Table B-1 Recommended Tools and Test Equipment
Equipment Description
Number 2 Phillips and flat-head
screwdrivers
Small and medium-sized.
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
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