UNICOM fep-31024t-2 инструкция обслуживания

908 Canada Court City of Industry , C A 91748 U.S.A. Phone: 626.964.7873 or 800.346.6668 F ax: 626.964.7880 www .unicomlink.com e-mail: info@unicomlink.com ©UNICOM 2005. UNICOM and “A Network Systems Solution” are trademarks of UNICOM Electric, Inc. All rights reserved. Specifications subject to change without notice. Rev: 09.05 24 Port 10/100[...]

1 Introduction UNICOM’s DYNA-SW ITCH/24 ( Rev. 2.0) i s a 24 -port 10/100BASE - TX Switch t hat can be used to bu ild hi g h-performance switched workgroup networks. This switc h is a sto r e-and-forward device that offe rs low latency for high-sp eed networking an d is ta rgeted at workg roup, dep artment or backbone computing envir onments in S[...]

2 Packa ge C onte nts Unpack th e contents of th e DYNA-SWITCH/24 (Rev. 2.0) a nd ve rify them against th e checklist below. ν DYNA-SW ITCH/24 ( Rev. 2.0 ) Swi tch ν Power Cord ν Four Rubber Feet ν User ma nual ν Rack Moun t kits DYNA- SWITCH /24 (Re v . 2.0) User man ua l Ru bb er Feet Power Cor d R ack- Mount K its Pack age C o nte nts Compa[...]

3 Ether net Sw itc hin g Tec h nolo gy Ethernet Sw itching Te chnology has dr amatical ly b oosted the total bandwidt h of ne tworks, eliminated co ngestion pr oblems inhe rent with Carrier Sense multiple access with Collision De tection (CSMA/CD) pro tocol, and greatly reduce d unnecessary transmissions. This revolutionized networking. First, by a[...]

4 Hardware Descriptio n This section d escribes the har dware of the DYNA-SWITCH/24 an d gives a physical and functional overview of this Switch. Phys ica l D ime nsio n The physical dimension of the DYNA-SWITCH/24 is 440mmx 120 mm x 44mm (L x W x H) Front Pa ne l The front panel of the DYNA-SWITCH/24 con sists of (24) 10/10 0Base-TX RJ-45 ports. T[...]

5 LED I ndica tors The LED Indicators gives r eal-time informatio n of systematic operation stat us. The f ollowing table provides descriptions of the LED status. The De sc rip tions of LED In dica tor s LED Status Description Green Power On Powe r Off Power is not co nnected Green The p ort is connecting with the device. Blinks The p ort is receiv[...]

6 Rear Pa ne l The 3-pr o nged power plug is locat e d at th e rear panel of th e DYNA-SW ITCH/24 as shown in the figure. The switch will work with A C in the 100-2 40V A C, 50-6 0Hz range. The re ar pa n el of the D YN A- SWITCH /24 Desk top Insta ll a t ion Set the switch on a sufficiently large f lat spa ce with a power outlet n earby. The su rf[...]

7 Rack -m ounte d Insta llat i on The DY NA-SWITCH/24 come s with a rack-mounting kit (n ot a standard option for this switch) and can be mounted in any EIA sta ndard sized, 19" rack. T he Switch can then be placed in a wirin g closet with o ther equipment. Perform the following steps to rack mount the switch : 1. Position o ne br acket to a l[...]

8 Network Application This section provides a fe w s am ples of ne twork topology i n which the switch is used . T he DYNA-SWITCH/24 (Rev. 2.0) is designe d to be used as a segmen t switch. With its lar ge a ddress table ( 4K MAC address) and high perfo rmance, it is ideal for interconnecting networking segments. PC, wo rkstation s, and serve rs ca[...]

9 Smal l W ork gro up The DYNA-SW ITCH/24 can b e use d as a stan dalone switch t o which person al com puters, ser vers, or a printer server are directly co nnected to form a small workgroup. Small Work gro u p App lic at ion[...]

10 Segm ent Br idge In enterprise netwo r ks where la rg e data bro adcasts a re constantly p rocessed, this switch is an id eal way for depa rtmental users to co nnect to the corporate backbone. In the illust ra tion belo w, two Ethe r net switche s, with PC s, a pr int s e rver, an d a local server att ached, a r e connected t o the DYNA-SWITCH/2[...]

11 Tec hnica l S pec ifica tio ns Th is section provides the specifications of t he DYNA-SWITCH/24. Stand ard IEEE 802.3 10Base-T Ethern et, IEEE 802.3u 100Base-TX Fa st Ethernet IEEE802.3x Flow Control and Back-pressure IEEE802.1p Class of Service Techno logy Store and Forward switching architecture Protoco l CSMA/CD Transf er Rate 14,880 pps per [...]

12 The p acket with a 0~3 precedence value will flow to the low q ueue and 4~7 valued packets will flow to the high queue. It also suppor ts weight round ration for high and low queue . The rate is 4:1 (4 high queue packets th en 1 low queue packet) [Not e] The CoS function is included in the switch firmware an d will operate autom atically when th[...]

908 Canada Court City of Industry , C A 91748 U.S.A. Phone: 626.964.7873 or 800.346.6668 F ax: 626.964.7880 www .unicomlink.com e-mail: info@unicomlink.com ©UNICOM 2005. UNICOM and “A Network Systems Solution” are trademarks of UNICOM Electric, Inc. All rights reserved. Specifications subject to change without notice. Rev: 09.05 24 Port 10/100[...]