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27

APPENDIX: Transmission Distance Charts

Appendix. Transmission Distance

Charts

Table A-1. Transmission distance HDSL Line Driver, no crosstalk.

Line Rate DTE Rates

26 AWG (0.4 mm)

24 AWG (0.5 mm)

(kbps)

(kbps)

ft.

mi.

km

ft.

mi.

km

144

64, 128

20,700

3.9

6.3

24,500 4.6

7.5

272

192, 256

17,400

3.3

5.3

24,200 4.6

7.4

400

320, 384

15,100

2.9

4.6

22,600 4.3

6.9

528

448, 512

14,900

2.8

4.5

21,000 4

6.4

784

576, 640,

13,500

2.6

4.1

18,000 3.4

5.5

704, 768

1040

832, 896,

11,900

2.2

3.6

15,500 2.9

4.7

960, 1024

1168

1088, 1152

11,000

2.1

3.3

15,200 2.9

4.6

Table A-2. Transmission distance HDSL Line Driver, crosstalk (49 adjacent

CAP pairs).

Line Rate DTE Rates

26 AWG (0.4 mm)

24 AWG (0.5 mm)

(kbps)

(kbps)

ft.

mi.

km

ft.

mi.

km

144

64, 128

18,600

3.5

5.7

22,100 4.2

6.7

272

192, 256

15,700

3

4.8

21,800 4.1

6.6

400

320, 384

12,800

2.4

3.9

19,200 3.6

5.9

528

448, 512

13,000

2.5

4

18,300 3.5

5.6

784

576, 640,

12,200

2.3

3.7

16,200 3.1

4.9

704, 768

1040

832, 896,

10,500

2

3.2

13,600 2.6

4.1

960, 1024

1168

1088, 1152

9400

1.8

2.9

12,900 2.4

3.9

Summary of Contents for ME0006A-10BT

Page 1: ...00 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E ma...

Page 2: ...equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Change...

Page 3: ...fabricante 7 El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a l...

Page 4: ...r una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado deb...

Page 5: ...WITH 10BASE T TRADEMARKS USED IN THIS MANUAL Cisco is a registered trademark of Cisco Systems IPX is a trademark of Novell Incorporated Any other trademarks mentioned in this manual are acknowledged t...

Page 6: ...ce 16 5 2 Connecting the 10BASE T Ethernet Port to a PC DTE 17 5 3 Connecting the 10BASE T Ethernet Port to a Hub DCE 18 5 4 Power Connection 18 6 Operation 20 6 1 Power Up 20 6 2 LED Status Indicator...

Page 7: ...active 10BT Link green active valid Ethernet connection Status flashing yellow indication from the Ethernet port NS red active no signal on DSP link ER flashing red CRC error during pattern generation...

Page 8: ...bilities using Plug and Play and externally accessible configuration switches As a symmetric DSL modem the Line Driver offers the same data rates in both directions over a single pair of regular telep...

Page 9: ...network layer protocols Once each of the network layer protocols have been configured datagrams from the established network layer protocol can be sent over the link The link will remain configured fo...

Page 10: ...he same Ethernet subnet as the bridge For example the customer site is assigned the addresses 192 168 1 0 24 through 192 168 1 1 24 The address 192 168 1 1 24 is also the default gateway for the remot...

Page 11: ...t over a network If a packet does not have a specific destination network number a router will assume that the packet is set up for the local segment and will not forward it to any other sub network H...

Page 12: ...e from the underside of the HDSL Line Driver as shown in Figure 4 1 Figure 4 1 Underside of the HDSL Line Driver showing the location of the DIP switches The two sets of DIP switches on the underside...

Page 13: ...k Mode On S2 7 Clock Mode Off S2 8 Reserved Off Switch S2 1 S2 2 S2 3 S2 4 S2 5 and S2 8 These switches are reserved for factory use and must remain in the factory default settings as shown in Table 4...

Page 14: ...Use the DIP switches in Switch S3 to set the DTE Rate for LAN bandwidth allocation and to reset the unit to its software default settings Table 4 3 summarizes default positions of DIP switch S3 Detai...

Page 15: ...1 through S3 6 to allocate bandwidth based upon expected LAN to LAN traffic rates For example set applications with low LAN to LAN bandwidth content between 64 kbps and 576 kbps Applications with high...

Page 16: ...Use Switch S3 7 to reset the software configured factory defaults This feature is applicable only using the Managed Micro Rack SNMP HTTP Card part number RM261C SNMP to SNMP manage your units For mor...

Page 17: ...sential 1 These units operate as a pair Both units at the end of the twisted pair DSL span must be set for the same DTE rate 2 To function properly the HDSL Line Driver needs one twisted pair of metal...

Page 18: ...e that is at least 330 ft 100 m long 5 2 Connecting the 10BASE T Ethernet Port to a PC DTE The 10BASE T interface is configured as DTE Data Terminal Equipment If the HDSL Line Driver connects to anoth...

Page 19: ...4 Straight through cable connections Figure 5 5 10BASE T Ethernet RJ 45 connector pinout 5 4 Power Connection The HDSL Line Driver uses a 5 VDC 2 A universal input 100 to 240 VAC power supply center...

Page 20: ...19 CHAPTER 5 Installation WARNING There are no user serviceable parts in the power supply Contact Black Box Technical Support at 724 746 5500 for more information...

Page 21: ...connections on the DSL and 10BASE T links signaling error and test modes Figure 6 1 shows the location of each LED Descriptions of each LED follow Figure 6 1 Figure 6 1 Front panel DSL Link active gre...

Page 22: ...with bad CRC 10BT Link active green Solid green indicates that the 10BASE T Ethernet interface has detected a valid SQE heartbeat signifying a valid 10BASE T connection NS active red Solid red indica...

Page 23: ...F Off Off Off G G F Off Off Off Data G G F Off Off Off G G F Off Off Off Link Brk DSL Link Broken Brk 10s 10 seconds following link break G Green F Flashing G Green if a valid 10BASE T connection is...

Page 24: ...ramed packets and unframed packets becomes important when we discuss the pattern generator Pattern Gen Det This part of the processor generates and detects the 511 511E patterns When transmitting 511...

Page 25: ...ttern will automatically turn itself off and the normal data path will be re established The ER LED will flash indicating that the test has timed out The ER LED will stop flashing once the 511 511E sw...

Page 26: ...sor and is sent to the remote unit It is then looped back to the local unit where it is evaluated for errors After 45 seconds the pattern generator will timeout and stop sending the pattern The ER LED...

Page 27: ...e test switch V 52 toggle switch up activating the 511E test with intentional errors present If the test is working properly the local unit s red ER LED will blink A successful 511E test will confirm...

Page 28: ...500 2 6 4 1 18 000 3 4 5 5 704 768 1040 832 896 11 900 2 2 3 6 15 500 2 9 4 7 960 1024 1168 1088 1152 11 000 2 1 3 3 15 200 2 9 4 6 Table A 2 Transmission distance HDSL Line Driver crosstalk 49 adjac...

Page 29: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2001 Black Box Corporation All rights reserved...

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