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Model number is ALH-528B. AcerHub 528T: 8-port 10Base-T (RT-45 connectors). Model number is ALH-528T. Note: The model name / model number is shown on the label at the bottom side of the hub. This user guide describes the features, installation and operating instructions of this mini hub. Package Contents The AcerHub 528B/528T package contains the following items: • One AcerHub 528B or 528T Hub • One AC Power Adapter, output is DC 7.5V, 1000mA • One BNC T-Connector (only for AcerHub 528B) • This User’s Guide • Four Pieces of Rubber Foot • Two Pieces of Tapping Screw • Two Pieces of Nylon Screw Anchor 2 Features of AcerHub 528B/528T Features of AcerHub 528B/528T Comply with IEEE 802.3 Ethernet 10BASE-T and 10BASE2 standards • Compact size for desktop or wall mounting • Plug and play, no configuration required • 8 10Base-T (RJ-45) normal port for connection to workstations • 1 uplink port for easy expanding to another hub or LAN switch • 1 BNC port for trunk connection • Per port Link and Partition LEDs for easy diagnostics The AcerHub 528 Front Panel The following diagram illustrates the front panel of AcerHub 528. To distinguish model 528B or 528T, please see the label on the bottom side of the hub. 1. PWR, the power (Green) Indicator When the power LED is lit it indicates that the hub’s power is on. 2. Collision (ORANGE) Indicator This LED indicator blinks when the hub detects a collision on the network. 3. Link (GREEN) Indicators These LEDs indicate the state of the data link of each port. The LED will be “ON” when the connection of that port is successful, and the LED will be blinking when data is being received at that port. 4. Partition (ORANGE) Indicators The LEDs will be “ON” when ports on the hub are been partitioned. A port is partitioned if it experiences consecutive collisions. The partitioned port is automatically isolated by the hub. The port will be automatically recovered when the faulty condition disappeared. When the port recovers, the partition LED returns to normal status (“OFF”). 3 refer to following figure for an illustration of such a connection. refer to following figure for an illustration of such a connection. Take caution that you need to attach a 50ohm terminator on both ends of the BNC cable. Note: If port1 (BNC PORT) does not connect to the coaxial cable after power is applied to the hub, port1 (BNC PORT) Partition LED will be blinking. The port1 Partition LED will be OFF after connecting the coaxial cable to port1. The following diagram illustrates 10BASE-T and 10BASE2 network connections. Cascading Hubs by using 10Base-T port When your 10BASE-T network needs to grow to more than eight connections, you should consider to purchase an additional hub and cascading it to the original hub. The AcerHub 528B features a cascade enabling switch to allow port No. 9 to cascade to next hub. The following diagram illustrates 10BASE-T cascading. In IEEE 802.3 standard, It allows in maximum 4 hubs being cascaded by using 10Base-T port. 5 Specifications of AcerHub 528B/528T : Specifications of AcerHub 528B/528T : 6 Product Limited Warranty Acer Netxus Incorporated (ANI) warrants its product to be free from defects in materials and workmanship, under normal use and service, for the following lengths of time from the date of purchase from ANI or its Authorized Resellers. Network adapter card Limited Lifetime Unmanaged hub *Limited Lifetime Switch and managed hub *3 year * Power supply/adapter and fans in these devices provide One year warranty All products with limited lifetime warranty have a standard five-year warranty. This warranty does not cover the product if it is damaged by abuse, accident, misuse, improper installation, or improper testing. If a product does ...
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