Instruction/ maintenance manual of the product LB9902A Black Box
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Thermal design for use in harsh environments of uncontrolled heat or cold. Rugged steel cases act as heat sinks. 100-Mbps switching for high-performance LANs. T wo fiber ports for extended distances. Autonegotiating on six copper ports per 802.3u standard.
• Hardened Ethernet Switch • Power supply • Power cord • Users’ manual Compliance: FCC Part 15 Class A; UL ® 1950; CE; Bellcore GR-63- CORE Sections 4.4.1 and 4.4.3 (for shock and vibration) Standards: 10BASE-T: IEEE 802.3; 100BASE-TX, -FX: IEEE 802.
Ordering Information ITEM CODE Hardened Ethernet Switches, AC Power (6) 10-/100-Mbps RJ-45 Ports plus (2) 100-Mbps Multimode SC Ports .....................LB9901A (1) 100-Mbps Multimode SC Port, (1) 100-Mbps Single-Mode SC (20-km) Port ...............
An important point after buying a device Black Box LB9902A (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 LB9902A 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 LB9902A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Black Box LB9902A you will learn all the available features of the product, as well as information on its operation. The information that you get Black Box LB9902A will certainly help you make a decision on the purchase.
If you already are a holder of Black Box LB9902A, 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 LB9902A.
However, one of the most important roles played by the user manual is to help in solving problems with Black Box LB9902A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Black Box LB9902A 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