BS-GU2008P User Manual - AV-iQ
Contents
1. cables 100 BASE TX Category 5 or higher UTP STP cables 10 BASE T Category 3 or higher UTP STP cables PoE Category 5 or higher UTP STP cables RJ 45 8 pin connector shielded AC 100 240 V 50 60 Hz External Dimensions 200 x 161 x 41 mm 7 9 x 6 3 x 1 6 excluding protruding parts Tko 21b Operating Operating temperature Environment 0 50 C 32 122 F with PoE supplying less than 30 watts 0 40 C 32 104 F with PoE supplying more than 30 watts Operating humidity 10 85 no condensation Acquired Standards VCCI Class B FCC Class B Canada IC Class B UL Transmission 1000 Mbps 1000 BASE T Speeds 100 Mbps 100 BASE TX 10 Mbps 10 BASE T Switching Method Store and forward Up to 9 216 bytes including 14 byte header 4 byte FCS Transfer Encryption 8B1Q4 4D PAM5 1000 BASE T Method 4B5B MLT 3 100 BASE TX Manchester encoding 10 BASE T Access Method CSMA CD Data Transfer Speed 1 488 095 packets second 1000 BASE T Throughput 148 810 packets second 100 BASE TX 14 881 packets second 10 BASE T MAC Address Table 8 000 Self learning Buffer Memory 256 KBytes Aging Time Approx 300 seconds Other Loop prevention Power saving This unit automatically detects and adjusts for straight or crossover Ethernet cables so either type of cable may be used Site terminated Ethernet cables are not recommended Always use preassembled cables This function automaticall2. BUFFALO BS GU2008P User Manual The package contains the items shown below If any items are missing please contact the dealer where you purchased the BS GU2008P The appearance of the BS GU2008P may vary from the illustration AVM ARE I 35020495 Switch main unit AC adapter Power cable retainer band e Rubber feet wc e Serial number stickers User manual this document Warranty oe 1 Indicators 3 PoEports 4 Uplink ports BUFFALO L 2 Loop prevention switch 5 Power connector 1 Indicators Indicators are located on the front panel of the product The functions of each indicator are shown below PoE Limit Orange On PoE is supplying more than 30 watts of power to all devices For temperatures above 40 C 104 F don t connect devices that draw more than 30 watts of PoE power total Blinking PoE power has been disabled to some ports because the maximum 50 watts of PoE power was exceeded PoE power was disabled for ports in order of descending port number until the total PoE output power was less than 50 watts Off Normal Loop Red Blinking Loop blocked blinks once per second Off Normal Power Green On Power on Off Power off PoE Green or Orange On Green PoE power is available On Orange Overcurrent or excessive power draw Off PoE power is disabled 1000 Mbps Green On 1000 Mbps Link Blinking If a loop is blocked the LED for the b
3. d never getting to its destination This continuously circulating data may interfere with other network communication Loop Prevention Off Loops are not blocked On If a network loop is detected the port is blocked until the loop is fixed Also the loop link act and 1000 Mbps if active LEDs for the blocked port blink once per second Turning Loop Prevention On and Off 1 Use the switch on the front of the BS GU2008P to turn loop prevention on or off 2 After changing the switch position disconnect and reconnect the power cable The change will take effect when the BS GU2008P has rebooted Notes While loop prevention is enabled the BS GU2008P will send a loop detection packet through the network every two seconds If these packets disrupt your network in any way disable loop prevention Loop prevention cannot detect or block all types of loops When a Loop is Detected Reconnect your Ethernet cabling making sure that there are no redundant connections Check Buffalo s website www buffalotech com or the product catalog for information about the latest products or compatible models Standards IEEE 802 3ab 1000 BASE T IEEE 802 3u 100 BASE TX IEEE 802 3 10 BASE T IEEE 802 3af PoE Flow Control IEEE802 3x when operating at full duplex Back pressure when operating at half duplex Ports PoE ports 6 Uplink ports 2 All ports support Auto MDIX Compatible Cables 1000 BASE T Enhanced category 5 or higher UTP
4. eceiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interfer ence that may cause undesired operation 2014 5
5. locked port blinks once per second Off 100 Mbps or 10 Mbps Link No Link Link Act Green On Link established Blinking Data transfer If a loop is blocked the LED for the blocked port blinks once per second Off Link not established 2 Loop prevention switch This switches loop prevention on and off After flipping the switch disconnect and reconnect the power cable 3 PoE ports These Ethernet ports support PoE Connect devices that need Ethernet power to these ports Each port can supply up to 15 4 watts The maximum total supply for all 6 ports varies according to the operating temperature If it is below 40 C 104 F 50 watts If it is above 40 C 104 F 30 watts Connect Ethernet devices to the switch in ascending order of port number If the maximum total power for PoE exceeds 50 watts power to ports will be disabled in descending order by port number until the total output power for PoE is below 50 watts All ports support autonegotiation The optimal duplex mode full duplex or half duplex and transfer speed 1000 100 or 10 Mbps are selected automatically 4 Uplink ports Connect other hubs or switches to these ports These ports don t support PoE 5 Power connector Connect the included AC adapter to this connector Secure the AC adapter cable with the included cable retainer Precautions for Installation Do not install the device in an unstable location such as on an unsteady table or an incli
6. ned surface Do not place another hub or object that generates heat on this unit Please route all cables properly to prevent people from tripping over them Ensure the air vents on the product are not blocked by other equipment or walls Only use the AC adapter included with the product Using other AC adapters may result in damage or fire Floor or Shelf Mounting Attach the supplied rubber feet to the bottom corners of the unit before use Mounting to a Metal Surface To mount to a metal surface such as the side of a steel desk use the BS MGK A Magnet Kit sold separately Caution Do not put floppy discs magnetic cards or other magnetic storage media near magnets Doing so may delete or corrupt data Note Ifthe switch is secured by the magnet alone it should be no more than 75 cm 29 5 in from the floor Wall Mounting To mount the unit to a wall use 2 screws not included with the dimensions shown below Install the screws 113 mm 4 4 in apart and slide the mounting holes in the base of the BS GU2008P over them Use screws where this section is 2 mm or less Mounting holes Magnet mounting holes Bottom This unit can detect and prevent network loops that can cause interference in the network What is a Loop If both ends of an Ethernet cable are connected to the same hub or when multiple connections exist between two hubs data may be sent in a loop around the network wasting network capacity an
7. y recognizes the port link status and LAN cable length and adjusts the operating power accordingly If you are unable to connect to a network check the following Is the AC adapter connected correctly Also is the AC adapter plugged into an outlet or surge protector Is the LAN cable connected correctly Are any cables disconnected or broken Is the link act LED on If the link act LED is off manually set the communication mode of the connected hub or LAN adapter to 100M half duplex or 10M half duplex Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and r
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