| Many T1 lines are installed without proper testing and | | | | into the telephone line and their lights are blinking. If they |
| configuration. It is important for the provider and the | | | | are, switch them on and off alternately three or four |
| customer to balance risks arising out of this situation, | | | | times. This will solve most kinds of T1 line problems. |
| not only to avoid expenses on testing equipment, but | | | | Once you identify the problem, the best way and the |
| also to make the T1 line error free. T1 line testing is a | | | | most popular one to test signal problems on T1 cables |
| slightly complicated process for a technical amateur. | | | | is the Bit Error Rate (BER) test. After configuring each |
| You need to know the technical aspects of Internet | | | | T1 line for the test, you should let it run from one |
| thoroughly to connect the T1 lines and get it working | | | | minute to 240 hours. This will give an error statistics |
| properly. But there are a few simple procedures that | | | | base in the T1 line. |
| could be followed to test the working condition of aT1 | | | | You can also use Cisco or other loopback testing |
| line, or to find out what has gone wrong during a | | | | devices to isolate the problem of the T1 serial link. |
| breakdown. | | | | These can be software loopbacks or hardware plug-in |
| During a break down, the first step is to determine | | | | loopbacks. Another way of running a BER test is to |
| whether the problem is with your PC or the T1 line. If | | | | configure a remote testing tool which will transfer data |
| you get a message saying the computer is using a | | | | simultaneously with the test pattern. Once the problem |
| saved version of your default home page when you | | | | is identified using loopbacks in two different directions, |
| open your Internet explorer, there is definitely | | | | they can be rectified by resetting multiplexers at either |
| something wrong with the T1 line. The next step is to | | | | ends of the T1 line. |
| check if the CSU/DSU, the router and hub are plugged | | | | |