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Quick Installation Guide
for 16/24/32 ports
Dual Speed Hub
ADH16SB
ADH24SB
ADH32SB
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FCC COMPLIANCE STATEMENT This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict accordance with the instructions provided with the equipment, may cause interference to radio and TV reception. The equipment has been tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules, which are designed to provide reasonable protection against such in
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Contents Chapter 1 Introduction ....................................1 Chapter 2 Features & Specifications .................3 Chapter 3 Package Contents .............................5 Chapter 4 Physical Description ........................6 Chapter 5 Installation ......................................9 Chapter 6 Trouble -shooting .............................12
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1 1 Introduction Congratulations on your purchase of this rackmount stackable dual-speed hub. Migrating from traditional 10Mbps Ethernet to 100Mbps Fast Ethernet is now simple and affordable with these dual-speed hubs. These high performance 16-port, 24-Port, 32-port 10/100Mbps stackable dual- speed hubs are equipped with 16, 24, 32 RJ45 dual-speed ports, one uplink port and one internal 2-port switch. Typically a dual-speed hub has two independent internal network segments: 10Mbps segment
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Dual-Speed hub with internal switching function automatically switches data traffic between devices running at different speed, which allows communications between ports running at 10Mbps and ports running at 100Mbps. Dual-Speed hub with internal switching function can save money by eliminate the need to purchase expensive Switches for users with mixed speed network environment. The connection of the Dual- Speed hub with internal switching function is illustrated as in Figure 1-3: Internal
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2 2 Features & Specifications (1) Features Consists of one internal 10Mbps Ethernet segment and one internal 100Mbps Fast Ethernet segment. Supports Auto-Sensing RJ45 ports which automatically sense and select optimum speed and route data traffic to corresponding internal segments. Built-in Uplink selection for the last port to connect with regular straight-through cable to another hub. Network Utilization LEDs provides simple reading on hub s traffic status. Built-in internal switch
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(2) Specifications Standards : IEEE 802.3 & 802.3u 10/100Mbps Ports : RJ45 x 16 (16-Port Rackmount Dual Speed Hub) or RJ45 x 24 (24-Port Rackmount Dual Speed Hub) or RJ45 x 32 (32-Port Rackmount Dual Speed Hub) Hub LEDs : Power, Internal Switch Segment LEDs : Collision, Utilization Port LEDs : Speed Status(10 or 100), Link/Activity Status Internal Switch : 1K MAC Address Table 256KB Buffer Memor
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3 3 Package Contents One Stackable Dual - Speed Hub One power cord User s manual Stacking Cable Rackmount accessories %15103050+ %15103050+ 1 2 3 4 5 6 7 8 COL10MUTIL 100MCOLUTIL 16-Port 10/100Mbps Uplink 100M SwitchLNK12345678910111213141516 Dual Speed PowerACT Stackable Ethernet Hub 9 10 11 12 13 14 15 16 16-Port Rackmount Dual Speed hub 10M %1 5103050+100M %1 5103050+ 1 1 2 2 3 3 4 4 5 6 7 8 9 10 11 12 COL UTIL COL UTIL 24-Port 10/100Mbps 100M1 2 3 4 5 6 7 8 9 10 11 12 LNK ACT Uplink Switch
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4 4 Physical Description (1) Panel LED Panel Uplink Port RJ45 connectors 10M % 1 5 10 30 50+100M % 1 5 10 30 50+ 1 2 3 4 5 6 7 8 COL UTIL COL UTIL 16-Port 10/100Mbps Uplink Switch 100M Dual Speed LNK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Power ACT Stackable Ethernet Hub 9 10 11 12 13 14 15 16 IN IN OUT OUT 16 -Port Rackmount Stacking ports Dual Speed Hub 100M Col. and Util. LED 10M Col. and Util. LED %15103050+ %15103050+ 10M 100M UTIL UTIL 16-Port 10/100Mbps COL COL 100M Switch 100M Dual Spee
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LED Panel RJ45 connectors Uplink Port 10M % 1 5 10 30 50+ 100M % 1 5 10 30 50+ 1 1 2 2 3 3 4 4 5 6 7 8 9 10 11 12 13 14 15 16 COL UTIL COL UTIL 100M LNK12345678910111213141516 Uplink ACT Switch100M 32-Port 10/100Mbps 17181920212223242526272829303132 PowerLNK ACT 17 18 19 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 ININ OUT OUT 32 -Port Rackmount Stacking ports Dual Speed Hub 10M Col. and Util. LED 100M Col. and Util. LED %1 5 10 30 50+ %1 5 103050+ 10M 100M UTIL U
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(2) LED LED Color Status Description Number of LED Lit Power is supplied PWR Green One for the whole Hub (Power) Off No power Lit The internal switch is active Switch Green One for the whole Hub (Internal Switch) Off The internal switch is inactive Lit Collision detected in this segment COL One for 10Mbps (Segment Yellow segment and one for 100Mbps segment Collision) Off No Collision UTIL. One set for 10Mbps (Segment Green Lit Indicate network utilization segment and one set for 100Mbps segm
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5 Installation 5 1. Operating Environment These Dual Speed Hubs must be installed and operated within the limits of specified operating temperature and humidity (see previous section under Specifications). Do not place objects on top of the unit. Do not obstruct any vents at the sides of the unit. Do not position the hub near any heating source such as heater, radiator, or direct exposure to sun. Prevent entering of water and moisture into the unit. If necessary, use dehumidifier to reduce
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Uplink Uplink Port Dual Speed Hub 10MUTIL%15103050+100MUTIL%15103050+ 24-Port 10/100Mbps 1 1 2 2 3 3 4 4 5 6 7 8 9 10 11 12 COL COL 100MLNK123456789101112 ACT Uplink Switch100M131415161718192021222324 Dual Speed PowerLNKACT Stackable Ethernet Hub 13 14 15 16 17 17 18 18 19 19 20 20 2121 2222 2323 2424 Uplink Port %1 5 103050+ %1 5103050+ COL10M UTIL 100MCOL UTIL 24-Port 10/100Mbps 1 1 2 2 3 3 4 4 5 6 7 8 9 10 11 12 100M LNK 1 2 3 4 5 6 7 8 9 10 11 12 Uplink 100M ACT Switch LNK13 14 15 16 17 18
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5. Connecting the power Connect the power cord to the power socket on the rear panel of the unit. Connect the power cord to the power outlet and turn on power switch. The green Power LED on the front panel should be lit. IN IN OUT OUT Figure 5 -4 Connect the power cable 11
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6 Trouble -shooting 6 1. Power LED is not lit Check if the power cord is properly connected to the power outlet and the hub. Make sure the power switch on the hub is turned ON. . 2. Link Status LED is not lit Check the power switch of the network devices attached to the hub, make sure they are turned ON. Check the network cable, make sure it is properly connected to the hub and the network device. Check the network cable, make sure the cable complies with EIA/TIA 568 specification.
