Instruction/ maintenance manual of the product 120B Black Box
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Connect thr ee or four devices to one phone line — they work with Distinctive Ring Service! Connect thr ee or four devices to one phone line — they work with Distinctive Ring Service! Phone Line Manager 120B • Phone Line Manager 230B © 2007. All rights reserved.
Note, 2 of 3 8/8/2007 #18289 724-746-5500 blackbox.com FEA TURES Phone Line Manager 120B: • Connects three devices to a single telephone line. • Distinctive Ring mode lets you know which device is in use. • Works with Caller ID. • Choose Office mode or Home mode for ring tones.
3 of 3 8/8/2007 #18289 724-746-5500 blackbox.com TECH SPECS Data Rate — T ransparent Interface T ype — 2-wire (Tip & Ring) Line T ype — 2-wire dial Number of Ports — FX121A: 3; FX126A: 4 O.
An important point after buying a device Black Box 120B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Black Box 120B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Black Box 120B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Black Box 120B you will learn all the available features of the product, as well as information on its operation. The information that you get Black Box 120B will certainly help you make a decision on the purchase.
If you already are a holder of Black Box 120B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Black Box 120B.
However, one of the most important roles played by the user manual is to help in solving problems with Black Box 120B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Black Box 120B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center