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Asante Desktop EN/SC, User Manual

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Asante Desktop EN/SC User Manual Download Page 27

 

Page B-1

 

Ethernet Specifications

 

When you connect your Macintosh computer to an Ethernet network 
using an Asanté Desktop EN/SC Adapter, you must observe the follow-
ing Ethernet specifications:

 

Parameter

10Base2

 

10BaseT

 

Cable

Thin

UTP

Impedance

50 ohms

100 ohms

Connector on cable

BNC

RJ45

Data transfer rate

10 Mbps

10 Mbps

Topology

Bus

Star

Segment length
(maximum)

185 meters

100 meters

Distance between nodes 
(minimum)

0.5 meter

n/a

Nodes per segment 
(maximum)

30

n/a

 

B

Summary of Contents for Desktop EN/SC

Page 1: ...Asanté Desktop EN SC Adapters User s Manual ...

Page 2: ...Asanté Desktop EN SC Adapters User s Manual Asanté Technologies Inc 821 Fox Lane San Jose CA 95131 April 1996 Part Number 06 00261 00 ...

Page 3: ...ktop EN SC Adapter is found to be defective then as your sole remedy and as the manufacturer s only obligation AsantéTechnologies Inc will repair or replace the product provided that 1 you call AsantéTechnologies Inc for a Returned Merchandise Authorization RMA number that 2 you clearly write this RMA number on the outside of the package and that 3 you return it postage prepaid during the warranty...

Page 4: ... and BNC connectors the Desktop EN SC 10T with a 10T connector only Both the Desktop EN SC Adapters pass Ethernet packets between a Macintosh computer and an Ethernet network using the Mac intosh standard SCSI interface Each model comes with a DB 25 to DB 25 SCSI cable The Asanté EN SC Adapters are compatible with Apple System Software 6 0 7 and higher Refer to Appendix B for compatibility informa...

Page 5: ... TroubleShooter diagnostic software for testing and identifying problems No external power required power to the adapter is supplied by the SCSI port via the DB 25 to DB 25 cable Compact and portable design Status LEDs display status information power transmit receive and link integrity Auto sensing circuitry for 10Base T and BNC ports on the EN SC 10T TN model Fixed SCSI ID at 6 Package Contents ...

Page 6: ...ing the installation Important Before you connect and configure an Asanté Desktop EN SC Adapter turn off the Macintosh computer and all connected peripherals Follow company guidelines and always plug or unplug devices connected to the SCSI port with the power off Consult your network administrator about the installa tion and its effect on the network other users must be warned of the possible inte...

Page 7: ...0T Adapter see Figure 2 1 Figure 2 1 DB 25 to DB 25 SCSI cable Identifying Ethernet cable requirements Before you install an Asanté Desktop EN SC Adapter you must know the connection and termination requirements for your Ethernet cable type You must also know the IEEE Ethernet length specifications See Appendix B for information about Ethernet length specifications Ethernet cable Requires Comments...

Page 8: ... are adhered to You must use a DB 25 to DB 50 SCSI cable not the DB 25 to DB 25 SCSI cable included with the adapter to add another device to the SCSI chain The Desktop EN SC Adapter must be placed at the end of the SCSI chain Installing a Desktop EN SC Adapter The EN SC 10T TN Adapter has an RJ45 and a BNC port while the EN SC 10T Adapter has only the RJ45 port If you are install ing the EN SC 10...

Page 9: ... before con necting the EN SC Adapter to the network If the Ethernet cable does not have aT connector or a BNC barrel connecting two cable segments splice the cable with the appropriate BNC hard ware Connect the BNC T connector on the Ethernet cable to the adapter s BNC port If the Macintosh is at the end of a network seg ment keep the T connector and terminator on the segment cable and connect th...

Page 10: ...lation click the Help button to display a help screen The following table explains which installation to choose Before you install Asanté s EtherTalk software disable all exten sions and virus detection programs then restart your Macintosh Choose When Easy Install You want to install the AppleTalk version that is on the diskette and the Asanté Ethernet driver Your network does not present any pote...

Page 11: ...erTalk Installer disk into your Macintosh computer 4 Double click the Installer icon then click OK when the Installer banner appears Be sure to dou ble click do not drag the files from the diskette to the System Folder The following Easy Install dialog box appears Figure 2 3 Easy Install dialog box To perform an Easy Install 1 Click Install to perform an Easy Install The Installer program examines...

Page 12: ...st of software options 3 Select the appropriate option To select multiple operations press Shift click 4 The system informs you when the installation is completed 5 Click Restart when prompted Note If other Macintosh computers on the network have Asanté EtherTalk drivers we recommend you upgrade all drivers to the most recent version Accessing network services To connect to the Ethernet network yo...

Page 13: ...con nect the Asanté EN SC Adapter 4 Select Chooser from the Apple menu 5 The Chooser dialog box will appear displaying all network drivers available as well as the AppleTalk Zones Click once on the AppleTalk icon and on AppleTalk Zone if displayed 6 Select your server or device from the list in the right side of the window 7 If AppleTalk is not active click the Active button close the chooser dial...

Page 14: ...ernet connection and sends out data through the Ethernet port Therefore before you runTroubleShooter you must Save all open files and close all active applications Log out of any active network services Change from EtherTalk to LocalTalk Turn off virtual memory with System 7 Restart your Macintosh with virus software extensions and inits disabled The following sections provide instructions for the...

Page 15: ...following the instructions on page 1 of this chapter then restart the Macintosh 5 TroubleShooter loads and automatically runs the fol lowing three default tests Memory buffer test writes to and reads from the packet buffer RAM to verify its addressability and operation Network interface controller test writes to and reads from the controller register to verify its operation It also issues a transm...

Page 16: ...he interface circuitry the adapter the serial network interface and the thin port transceiver by transmitting and receiving special packets When using the Desktop EN SC 10T TN Adapter disconnect the thin Ethernet cable and attach a T connector Terminate each end of the T connector with a 50 ohm terminator To run the Loopback test perform the following steps 1 Click the Loopback Test checkbox to se...

Page 17: ...roduct operation If the Loopback test fails repeatedly please contact Asanté Technical Support see Appendix C Running the Bandwidth Utilization test 1 Reconnect the Ethernet cable 2 Click the Bandwidth Utilization checkbox to select the test 3 Click the TEST button to start the test 4 Data representing network activity is collected from the network during the test 5 To stop data acquisition click ...

Page 18: ...network by the adapter Good Packets received displays the total number of packets not the packet size Total bytes received is more specific it displays the actual byte count Number of reset byte count This number increases in increments of 1 after each 109 byte received from the network by the adapter CRC Error Indicates the number of packets with CRC Cyclic Redundancy Check errors received from t...

Page 19: ...dth utilization of the network If it is more than 2 percent it will affect the FIFO Overrun Error and Frame Lost errors If a test fails If a test fails TroubleShooter displays an error message in the main dialog box The message generally consists of three parts The name of the diagnostic test Failed A possible reason for the failure Check the connections from your Macintosh to the Ethernet cable t...

Page 20: ... To restart network services perform the following steps 1 Activate AppleTalk in the Chooser 2 Select EtherTalk in the Network control panel 3 Restart the Macintosh computer 4 Select Chooser then select a network resource such as AppleShare or another network service Menu Displays Get System Information System software version number Machine type Memory size ROM version number Installed AppleTalk ...

Page 21: ...hooser EtherTalk Alternate is selected in the Network Control Panel Make sure you are using the network EtherTalk ver sion Phase 1 or Phase 2 AppleTalk zones are visible when applicable Cabling and connections are secure The LEDs on the EN SC indicate no problems Refer to Appendix A of this manual for information about the LEDs TheAsanté EtherTalk driver is installed on the start up disk the EN SC...

Page 22: ...d unavailable The reverse is true for Phase 2 To see if this is the case switch from one EtherTalk icon to the other Phase 1 networks are limited to 254 nodes and one zone In a Phase 2 network up to 16 million nodes can be addressed on an Ethernet network Phase 2 networks support multiple zones sharing the same physical cable A great majority of network installations now use only Phase 2 ...

Page 23: ...e A 1 physical dimension A 1 protocols supported A 1 software supported A 1 standards supported A 1 systems supported A 1 technical specifications A 1 EN SC 10T 1 1 to 1 2 EN SC 10T TN 1 1 to 1 2 Ethernet 10BaseT 2 2 10BaseT cabling 2 4 address A 2 cable requirements 2 2 specifications B 1 Thin 2 2 Thin cabling 2 4 EtherTalk Installer software customize install 2 5 easy install 2 5 Phase 1 and 2 4...

Page 24: ... LAT protocols A 1 Novell NetWare A 1 Pathworks A 1 Sitka TOPS A 1 specifications B 1 T TCP IP 1 2 technical support C 1 Thin Ethernet cable requirements 2 2 TroubleShooter Diagnostic Software 27 get adapter information 3 7 get system information 3 7 memory test 3 2 network interface controller test 3 2 ping pong test 3 2 quitting 3 7 restarting network services 3 7 starting 3 2 troubleshooting 4 ...

Page 25: ...l 10Base2 and UnshieldedTwisted Pair 10BaseT media Phase 1 and Phase 2 EtherTalk register level compatible with Apple Computer s Ether net cards AppleTalk Filing Protocol and MacTCP Software supported AppleShare Novell NetWare for Macintosh TCP IP and other popular network software Protocols supported AFP TCP IP DECnet and LAT protocols SCSI address Fixed at 6 Operating temperature 0 to 50 C Relat...

Page 26: ...N OFF BLINKING PWR power ON operating OFF inoperable not applicable TX Transmit network Activity no network activity transmitting packets RX Receive network Activity no packets received receiving packets LI Link Integrity 10BaseT link integrity enabled Link is OK when Link Disabled is also OFF no 10BaseT link integrity not applicable ...

Page 27: ...ter you must observe the follow ing Ethernet specifications Parameter 10Base2 10BaseT Cable Thin UTP Impedance 50 ohms 100 ohms Connector on cable BNC RJ45 Data transfer rate 10 Mbps 10 Mbps Topology Bus Star Segment length maximum 185 meters 100 meters Distance between nodes minimum 0 5 meter n a Nodes per segment maximum 30 n a B ...

Page 28: ...ax 408 432 6018 Fax Back 800 741 8607 408 954 8607 Bulletin Board Service BBS 408 432 1416 ARA BBS guest log in 408 894 0765 AppleLink mail BBS ASANTE FTP Archive ftp asante com Internet Mail support asante com World Wide Web Site http www asante com Technical Support Hours 6 00 AM to 6 00 PM Pacific StandardTime Monday Friday C ...

Page 29: ...sante com Internet Web Site http www asante com Asanté Technologies Asia T 886 25162636 F 886 25171999 Asanté Technologies Europe T 441 81 332 1326 F 441 81 332 1334 1996 Asanté Technologies Inc Asanté is a trademark of Asanté Technologies Inc All brand names and products are trademarks or registered trademarks of their respective holders Part Number 06 00261 00 ...

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