Home Company Information Consulting Course Catalog Contact Us Request a Quote Government Corporate
 


We are here to help...
Let us answer your questions.
With easy ways to get the answers you need:
Call Me
Or call us at:
      1-888-742-3214


Profile


e-Catalog
Contact
Search
Cart
Modem and Interface Testing

Course Status: Released
Course Language: English
Course Duration: 4 Hours
Deployment Options: Online, Interactive CDs, Network, Downloads, Intranet

Audience
Managerial and network operational staff
Prerequisites
The course Analog Networks
Course Aim
To enable the student to troubleshoot problems on analog networks
Learning Objectives
Describe the functions and operation of a modem and build an interface, setting up a modem.
Test a modem, interpreting the LCD or LED display on the modem.
Implement the four loop-back testing mechanisms outlined in CCITT V.54.
Use a bit error rate tester.
Describe the EIA-232-E interface cable in detail, assigning each pin its function.
Use a break-out box to diagnose problems in an EIA-232-E interface.
Use a break-out box to build modem-to-modem and terminal-to-terminal interfaces.
Topics Covered
How modems work
- Components
- Modulation
- Carrier signals and synchronization
- Clocking
- Modem facilities
Testing modems
- Modem indicators
- Testing
RS-232-C/EIA-232-E
- RS-232-C/EIA-232-E specification
- Half- and full-duplex
The break-out box
- Using the break-out box
- Testing the interface
- Building interfaces