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15

CHAPTER 3: Configuring the Hardware DIP Switches

3.2.2 S

WITCH

S2-2: F

RONT

-P

ANEL

S

WITCH

D

ISABLE

Use Switch S2-2 to enable or disable the front-panel toggle switches.

Table 3-10. Front-panel toggle switches.

S2-2

Setting

On

Disable the front-panel switches

Off

Enable the front-panel switches

3.2.3 S

WITCH

S2-3: R

ESPONSE TO

L

OCAL

L

INE

L

OOP

R

EQUESTS FROM

DTE

Use Switch S2-3 to enable Local Line Loopback from the local DTE interface (see

Section 5.3.1

).

Table 3-11. Local line loopback.

S2-3

Activation

Description

Off

Disabled

Ignore Line Loopback request from DTE

interface

On

Enabled

Respond to Line Loopback request from

DTE interface

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Содержание ME0002A-V35

Страница 1: ...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 mail...

Страница 2: ...quipment 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 Changes...

Страница 3: ...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 lo descrito...

Страница 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...

Страница 5: ...4 IDSL LINE DRIVER W V 35 OR X 21 TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners...

Страница 6: ...1 19 2 kbps Synchronous Rate Enable 14 3 2 2 Switch S2 2 Front Panel Switch Disable 15 3 2 3 Switch S2 3 Response to Local Line Loop Requests from DTE 15 3 2 4 Switches S2 4 and S2 5 Not Assigned 16...

Страница 7: ...n 22 5 1 Power Up 22 5 2 LED Status Indicators 22 5 3 Test Modes 23 5 3 1 Local Line Loopback LLB 23 5 3 2 Remote Digital Loopback RDL 24 5 4 Using the V 52 BER Test Pattern Generator 26 Appendix A V...

Страница 8: ...kbps Diagnostics V 52 compliant bit error rate pattern 511 511E pattern generator and detector with error injection mode Local Line Loopback and Remote Digital Loopback activated by front panel switc...

Страница 9: ...vides a V 35 interface on an M 34 female connector ME0002A X21 provides an X 21 interface on a DB15 female connector Line connection is via an RJ 45 jack Standard versions of the Line Driver are power...

Страница 10: ...igure 2 1 Typical application HTTP HTML MANAGEMENT The Managed Micro Rack SNMP HTTP Card RM261C SNMP maintains HTML pages that can be viewed through a Web browser You can display remote statistics and...

Страница 11: ...all possible configurations Using a small flat tip screwdriver remove the protective cover located on the underside of the IDSL Line Driver see Figure 3 1 Figure 3 1 Removing the cover to access DIP s...

Страница 12: ...Async Sync Data Format Off S1 6 TX Clock Source On S1 7 TX Clock Source On S1 8 Response to RDL Request On Enable NOTE When setting the IDSL Line Driver for SNMP management the DTE rate switches S1 1...

Страница 13: ...ehavior of the DSR signal at the EIA interface during the line loopback test Table 3 3 Data Set Ready switch setting S 3 Setting On DSR is on during local line loop Off DSR is off during local line lo...

Страница 14: ...icate synchronously across the twisted pair line connection Therefore you must set these switches regardless of whether your application is async or sync For X 21 or async applications configure one u...

Страница 15: ...2 3 Response to LAL from DTE Off Disabled S2 4 Not assigned Off S2 5 Not assigned Off S2 6 Response to RDL from DTE On Enabled S2 7 Compatibility mode Off S2 8 Not assigned Off 3 2 1 SWITCHES S2 1 19...

Страница 16: ...ng On Disable the front panel switches Off Enable the front panel switches 3 2 3 SWITCH S2 3 RESPONSE TO LOCAL LINE LOOP REQUESTS FROM DTE Use Switch S2 3 to enable Local Line Loopback from the local...

Страница 17: ...pback S2 6 Activation Description Off Disabled Ignore Remote Digital Loopback request from DTE interface On Enabled Respond to Remote Digital Loopback request from DTE interface 3 2 6 SWITCH S2 7 COMP...

Страница 18: ...ts at the end of the twisted pair DSL span must be set for the same DTE rate 2 To function properly the IDSL Line Driver needs one twisted pair of metallic wire This twisted pair must be unconditioned...

Страница 19: ...erface is designed to connect to DTE equipment such as a router When connecting the V 35 interface of the Line Driver to your DTE device use a V 35 straight through cable see Figure 4 3 Appendix A des...

Страница 20: ...4 Connecting the Line Driver to a V 35 serial DCE 4 3 Connecting the IDSL Line Driver X 21 Serial Interface The Line Driver ME0002A X21 supports X 21 serial port connections This section describes ho...

Страница 21: ...THE CASE To open the Line Driver s case insert a flat head screwdriver into an open slot on both sides of the case as in Figure 4 6 Twist the screwdriver head slightly and the top half of the case wil...

Страница 22: ...w configuration of the X 21 port To close the case fit the two halves together snugly and snap them back in place Figure 4 7 Setting the DCE DTE strap 4 4 Connecting Power The Line Driver uses a 5 VDC...

Страница 23: ...p To apply power to the IDSL Line Driver first be sure that you have read Section 4 4 and that the unit is connected to the appropriate power source Then power up the unit 5 2 LED Status Indicators Th...

Страница 24: ...st has timed out See Section 5 4 Test Pattern Generator for more information TM Glows yellow to indicate test mode 5 3 Test Modes The IDSL Line Driver offers two proprietary loopback test modes plus a...

Страница 25: ...as described in Section 5 4 If the BER test equipment indicates no faults but the data terminal indicates a fault follow the manufacturer s checkout procedures for the data terminal Also check the in...

Страница 26: ...front panel toggle switch Down to Remote Raise the RDL signal on the interface 2 Perform a V 52 BER test as described in Section 5 4 If the BER test equipment indicates a fault and the Local Line Loop...

Страница 27: ...activates the V 52 BER test mode and transmits a 511 test pattern into the loop If any errors are present the local modem s red ER LED will blink continuously 2 If the above test indicates that no err...

Страница 28: ...ce F CD Carrier Detect DCE Source H DTR Data Terminal Ready DTE Source L LLB Local Line Loop DTE Source M TM Test Mode DTE Source N RDL Remote Digital Loop DTE Source P TD Transmit Data DTE Source R R...

Страница 29: ...nd 2 T Transmit Data A DTE Source 3 C Control A DTE Source 4 R Receive Data A DCE Source 5 I Indication A DCE Source 6 S Signal Element Timing A DCE Source 7 BT Byte Timing A DCE Source 8 SGND Signal...

Страница 30: ...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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