+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

| |򠠠 | ࠠ | | | | |ࠠ |堠 |堠 |; |

| | | | |DAS; ⠠ |; |IEEE; |ABR-;|ࠠ | |; |

| | | | |SAS; | | |堠 | | | |

| | | | | (/) |; |; |堠 | | | |

| | | | | |Ѡ | | | | |ࠠ |

| | | | | | | | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|3Com |ONcore | 1994 |ATM, Ethernet, |34; 68; 4, 10, |AUI, MIC, |10BaseFL, |; RS232 |- | |$75 995 ࠠ |

|-, |Integrated | |Fast Ethernet, |16, 100, 155 |RJ-45, SC, ST; |10BaseT, |. | | | 7 |

|. |System | |FDDI, RMON, | |; ࠠ |10Base2, |, | | |, $194 |

|(800) 638-3266 | | |RMON2, SNMPv1, | | |10Base5, |SNMP, Telnet | | |265 |

|www.3com.com | | |SNMPv2, | | |100BaseTX; | | | |17 ; |

| | | |Token-Ring | | |, , | | | | |

| | | | | | |; IP, | | | | |

| | | | | | |IPX, Spanning | | | | 90 |

| | | | | | |Tree | | | | ; |

| | | | | | | | | | |򠠠 |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Alcatel |Alcatel 1100 | 1996 |ATM, Ethernet, |8; 16; 622 |AUI, DB-9, |10BaseFL, | |- | |$14 450; |

|Telecom |LSS 2.0 | |Fast Ethernet, | |MIC, RJ-45, |10BaseT, |; | | |; 򠠠 |

|, . | | |FDDI, RMON, | |SC, ST; ; |10Base2, |SNMP, Telnet | | | |

| | | |RMON2, SNMPv1, | | |10Base5, | | | | |

|(888) 236-2500 | | |Token-Ring | | |100BaseTX; | | | | |

|www.adn. | | | | | |, , | | | | |

|alcatel.com | | | | | |; IP, | | | | |

| | | | | | |IPX, Spanning | | | | |

| | | | | | |Tree | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Ascend |GRF400 | 1996 |ATM, Ethernet, |8; 16; 10, |AUI, DB-9, |10BaseT, |; SNMP |- |- |$15 650 ࠠ |

|Communications | | |Fast Ethernet, |100, 155, 622 |MIC, RJ-45, |100BaseTX; | | | |, |

|, . | | |FDDI, SNMPv1, | |SC, ST; ; |, , | | | | |

| | | |SNMPv2 | |򠠠 |; IP, | | | | $13 |

|(800) 272-3634 | | | | | |IPX, Spanning | | | |500 $25 |

|www.ascend.com | | | | | |Tree | | | |000; ; |

| | | | | | | | | | |򠠠 |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Bay Networks |Backbone | 1996 |ATM, Ethernet, |1; 1; 14, 10, |AUI, MIC; ; |100BaseTX; |; SNMP, | |- | $48 800 蠠 |

|, . |Concentrator | |Fast Ethernet, |16, 100, 155 |ࠠ |, , |Telnet | | |; 90 ; |

|񠠠 |Node/Backbone | |FDDI, SNMPv1, | | |; IP, | | | |򠠠 |

|(800) 252-6926 |Link Node | |SNMPv2, | | |IPX, Spanning | | | | |

|www.baynetworks| | |Token-Ring | | |Tree | | | | |

|.com | | | | | | | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Cabletron |MMAC-PLUS | 1994 |ATM, Ethernet, |42;168; |AUI, MIC, |10BaseFL, |; SNMP |- | |$69 694; 90 |

|Systems | | |Fast Ethernet, |4,10,16,100,155|RJ-45, SC, ST; |10BaseT, | | | |; 90 |

|, . | | |FDDI, RMON, |, 622 |; ࠠ |10Base2, | | | | |

|-𠠠 | | |SNMPv1, SNA, | | |10Base5, | | | | |

|(603) 332-9400 | | |Token-Ring | | |100BaseFX, | | | | |

|www.cabletron. | | | | | |100BaseTX; | | | | |

|com | | | | | |, , | | | | || | | | | | |; IP, | | | | |

| | | | | | |IPX, Spanning | | | | |

| | | | | | |Tree | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Cisco Systems || 1995 |ATM, Ethernet, |22; 22; 4, 10, |AUI, DB-9, |10BaseFL, | | |- | $28 900 |

|-, . |頠 | |Fast Ethernet, |16, 100, 155 |RJ-45, SC, ST; |10BaseT, |, | | |( ) |

| | | |FDDI, | |; ࠠ |10Base2, || | | $330 000 |

|(800) 859-2726 |Cisco 7513 | | | | |10Base5, |堠 | | |( |

|www.cisco.com | | |, ISDN, | | |100BaseTX; |, | | |); |

| | | |PPP, RMON, | | |, , |ࠠ | | | ; |

| | | |SMDS, SNMPv1, | | |; Apollo | | | | |

| | | |SNMPv2, | | |Domain, |; | | |ࠠ |

| | | |Token-Ring, | | |AppleTalk, |렠 | | | |

| | | |X.25 | | |Banyan VINES, | | | | |

| | | | | | |CLNP, CMNS, |, | | | |

| | | | | | |DECnet, IP, |SNMP, Telnet | | | |

| | | | | | |IPX, ISO, SNA, | | | | |

| | | | | | |Spanning Tree, | | | | |

| | | | | | |XNS | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

| |GIGAswitch/FDDI| 1993 |ATM, FDDI, |22; 34; 100 |MIC, RJ-45, |100BaseTX, |; SNMP, |- | |$24 400 񠠠 |

|Digital |3.0 | |RMON, SNMPv1 | |SC, ST; ; |FDDI/CDDI; |Telnet | | |頠 |

|Equipment | | | | |򠠠 |; | | | | |

|, . | | | | | |Spanning Tree | | | |, $27 500 |

|񠠠 | | | | | | | | | | 頠 |

|(800) 457-8211 | | | | | | | | | | ࠠ |

|www.networks. | | | | | | | | | | ; |

|digital.com | | | | | | | | | | ; |

| | | | | | | | | | |䠠 |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Fore Systems |PowerHub 7000 | 1995 |ATM, Ethernet, |8; 8; 10, 100, |AUI, MIC, |10BaseFL, |; SNMP, |- |- |$29 000; |

|, |Multilayer | |Fast Ethernet, |155 |RJ-45, SC, ST; |10BaseT, |Telnet | | | |

|. |Backbone | |FDDI, RMON, | |; ࠠ |10Base2, | | | | |

| |Switch | |SNMPv1 | | |10Base5, | | | | 90 |

|(888) 404-0444 |7-2.6.4.0 | | | | |100BaseTX; | | | | ; |

|www.fore.com | | | | | |, , | | | |90 頠 |

| | | | | | |; | | | | |

| | | | | | |AppleTalk, | | | | |

| | | | | | |DECnet, IP, IP | | | | |

| | | | | | |Multicast, | | | | |

| | | | | | |IPX, Spanning | | | | |

| | | | | | |Tree | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|IBM |IBM Nways 8274 | 1996 |ATM, Ethernet, |16; 32; 4, 10, |AUI, DB-9, |10BaseFL, |; SNMP |- |- |$3850 |

|-|RouteSwitch | |Fast Ethernet, |16, 100, 155 |RJ-45, SC, ST; |10BaseT, | | | | $7950 ࠠ |

|-, . | | |FDDI, RMON, | |; ࠠ |10Base2, | | | | |

|. | | |SNMPv1, | | |10Base5, | | | |FDDI-; |

|(800) 426-3333 | | |Token-Ring | | |100BaseTX; | | | | ; |

|www.ibm.com | | | | | |, , | | | |䠠 |

| | | | | | |; IP, | | | | |

| | | | | | |IPX, Spanning | | | | |

| | | | | | |Tree | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

|Xylan |OmniSwitch | 1995 |ATM, CDDI, |16; 32; 4, 10, |AUI, DB-9, |10BaseFL, | |- | |$21 750; |

|, . | | |Ethernet, Fast |16, 100, 155 |MIC, RJ-45, |10BaseT, |, | | |; 򠠠 |

| | | |Ethernet, | |SC, ST; ; |10Base2, || | | |

|(800) 999-9526 | | |FDDI, | | |10Base5, |; | | | |

|www.xylan.com | | | | | |100BaseTX; |SNMP, Telnet | | | |

| | | |, RMON, | | |, | | | | |

| | | |SNMPv1, | | |; IP, | | | | |

| | | |Token-Ring | | |IPX, Spanning | | | | |

| | | | | | |Tree, SRT, SR, | | | | |

| | | | | | |Banyan VINES | | | | |

+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+---------------+

. .