manualshive.com logo in svg
background image

 

 

 

Model 3092

 

iDSL Digital Access and Cross-

 

Connect System (DACS)

 

Getting Started Guide

 

Sales Office:

 

 

+1 (301) 975-1000

 

Technical Support:

 

 

+1 (301) 975-1007

 

E-mail:

 

 

[email protected]

 

WWW:

 

 

www.patton.com

 

Document Number: 

 

110012UB

 

Part Number: 

 

07MD3092-GS-B

 

Revised: 

 

September 3, 2002

Содержание 3092

Страница 1: ...and Cross Connect System DACS Getting Started Guide Sales Office 1 301 975 1000 Technical Support 1 301 975 1007 E mail support patton com WWW www patton com Document Number 110012UB Part Number 07MD3092 GS B Revised September 3 2002 ...

Страница 2: ... patton com Copyright 2001 2002 Patton Electronics Company All rights reserved The information in this document is subject to change without notice Patton Electronics assumes no liability for errors that may appear in this document The software described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license ...

Страница 3: ...2 iDSL DACS overview 14 Hardware overview 15 WAN 15 LAN 16 RS 232 control port 16 Power system 16 Central processing unit 16 iDSL Ports 16 Alarm Port 16 System Timing and Clock Port 17 Temperature 17 Altitude 17 Humidity 17 Physical dimensions 18 Management services 18 LED display 19 Approvals 20 2 Hardware installation 21 Introduction 22 Unpacking the Model 3092 DACS 22 DACS chassis installation ...

Страница 4: ...uration 36 Displaying the DACS 3092 Web Administration Pages 37 Home page overview 38 Configuring the DS0 mapping 39 Examples on configuring static connections 41 Setting the clocking source 42 Activating the iDSL modems 43 Configuring the default gateway 44 Configuring line settings and signaling for E1 45 Configuring the line settings 46 Configuring line settings and signaling for T1 46 Configur...

Страница 5: ...on 62 Completing the installation 65 6 Contacting PATTON for assistance 67 Introduction 68 Contact information 68 Warranty Service and Returned Merchandise Authorizations RMAs 68 Warranty coverage 68 Out of warranty service 68 Returns for credit 68 Return for credit policy 69 RMA numbers 69 Shipping instructions 69 A RJ 21X Wiring Color Chart 71 Introduction 72 ...

Страница 6: ...Contents Model 3092 iDSL DACS Getting Started Guide 6 ...

Страница 7: ...on cord The customer should be aware that compliance with the above condition may not prevent degradation of service in some situations Repairs to some certified equip ment should be made by an authorized maintenance facility designated by the supplier Any repairs or alter ations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request t...

Страница 8: ...fy you in advance of such changes to give you and opportunity to maintain uninterrupted telephone service 3 If your DACS causes harm to the telephone network the telephone company may temporarily discontinue your service If possible they will notify you in advance but if advance notice is not practical you will be notified as soon as possible and will be informed of your right to file a complaint ...

Страница 9: ...DACS Users will be connected to remote iDSL modems Audience This guide is intended for the following users Operators Installers Maintenance technicians Structure This guide contains the following chapters and appendices Chapter 1 describes the DACS Chapter 2 describes installing the DACS hardware Chapter 3 describes configuring the DACS for use Chapter 4 details how to power up and deactivate the ...

Страница 10: ...e a potential safety hazard Strictly follow the warning instructions to avoid personal injury The shock hazard symbol and CAUTION heading indicate a potential electric shock hazard Strictly fol low the instructions to avoid property damage caused by electric shock The alert symbol and CAUTION heading indicate a potential hazard Strictly follow the instructions to avoid property damage Table 1 Gene...

Страница 11: ...rd means to move the mouse in such a way that the tip of the pointing arrow on the screen ends up resting at the desired loca tion Click Means to quickly press and release the left or right mouse button as instructed in the procedure Make sure you do not move the mouse pointer while clicking a mouse button Double click Means to press and release the same mouse button two times quickly Drag This wo...

Страница 12: ...Model 3092 iDSL DACS Getting Started Guide 12 ...

Страница 13: ...4 Hardware overview 15 WAN 15 LAN 16 RS 232 control port 16 Power system 16 Central processing unit 16 iDSL Ports 16 Alarm Port 16 System Timing and Clock Port 17 Temperature 17 Altitude 17 Humidity 17 Physical dimensions 18 Management services 18 LED display 19 Approvals 20 ...

Страница 14: ...sing the built in digital cross connect the Model 3092 can flexibly groom any DS0 64kbps channel to any other DS0 channel Each 64 128 144 kbps iDSL port requires only a single pair of wires for reliable data transmission at ranges in excess of 5 5 km 2B1Q line encoding ensures spectral compatibility within existing voice data bundles Each WAN port terminates T1 E1 with flexible any to any DS0 mapp...

Страница 15: ... the chassis front panel while connections for WAN LAN alarm relay composite clock and con trol ports are present on the rear of the chassis Two IEC 320 receptacles provide for AC The optional power input of 48 VDC is also available Figure 2 Model 3092 DACS features WAN The 3092 includes four WAN uplink ports selectable for T1 or E1 connection to ATM FR DDN IP network backbones Also included are F...

Страница 16: ...ly with 40 to 72VDC via 4 way power block rated current is 1A Central processing unit The 3092 employs an Intel i960VH RISC processor operating at 33 MHz 100 Mips The CPU controls the memory front back panel and management interface for iDSL port WAN time slot mapping local switch ing loopback and the management system The memory holds 4 Mbytes Flash ROM 8 Mbytes EDO DRAM iDSL Ports The 24 iDSL po...

Страница 17: ... Clock from the T1 E1 WAN interface The system timing is con figured through the NMS The Clock Port features are Input for an external 64 kHz BITS Building Integrated Timing Supply reference clock External reference drives timing for all iDSL and WAN ports Selectable Master and Fallback Clock Temperature Operating range 0 40 C 32 104 F Internal temperature Available in real time on the DACS Web ma...

Страница 18: ...t width and depth dimensions Figure 3 Model 3092 DACS chassis physical dimensions Management services EIA 561 configuration port for management and control SNMP version 1 and 2 configuration management TELNET Ethernet SYSLOG Client Remote Software Upgrade via FTP Built in HTTP server for complete configuration and control using a standard Web browser ...

Страница 19: ...r alarm has occurred the yellow LED will flash if a minor alarm condition exists the LED will be lit constantly SYSTEM Flashes green if the iDSL Multiplexer is operating normally ETHERNET Green if Ethernet link status is normal EXT CLOCK Green if the iDSL Digital Cross Connect is being driven by the BITS clock Off if the Model 3092 is connected to a T1 E1 Network Clock or Internal Clock TEST MODE ...

Страница 20: ... E1 link Red indicates an error on the port for example loss of sync Approvals The Model 3092 DACS has achieved the following approvals Safety Patton s Internal Safety and UL CSA testing UL1950 MET Canadian cMET Canadian CS 03 EMC R TTE Directive 99 5 EC FCC Part 15 Subpart B Class A Telecom CE Mark ITU T CTR 13 FCC Part 68 ...

Страница 21: ...wer cables DC unit 24 Grounding the Model 3092 AC and DC Units 25 Connecting the Ethernet ports 26 Connecting the 10 100Base T Ethernet port to an Ethernet switch or hub 26 Connecting the 10 100Base T Ethernet port to an Ethernet capable workstation 27 Connecting the EIA 561 RS 232 configuration port 27 Connecting to the T1 E1 WAN ports 27 Connecting the iDSL Ports 28 Completing the hardware insta...

Страница 22: ...er immediately for claim purposes Save all packing materials in case you need to return an item to the factory for servicing The DACS comes with the following items The Model 3092 Digital Cross Connect DACS An RJ 45 to RJ 45 cable for use with the console and Ethernet ports A DB9 RJ45 EIA 561 adapter for connecting a PC s serial port to the DACS console port Rack mounting kit with rack ears and mo...

Страница 23: ...This section describes installing the power ground and network interface cables Installing the power cables AC Unit This section describes installing the power cables into the IEC 320 connectors on the DACS Do not connect the remaining end of the power cables to the power outlet at this time Do the following 1 Install a power cable into an IEC 320 connector see figure 5 The AC main socket outlet s...

Страница 24: ... a two position screw down terminal block 1 Connect the earth ground of the DC source to the grounding stud on the DACS as described in the fol lowing section Grounding the Model 3092 2 Strip back the insulation on each of the wires approximately π inch 3 Insert the stripped end of the positive lead into the DC input of the terminal block Tighten the screw until the power lead is firmly fastened R...

Страница 25: ...lation and two ring terminals Make the wire long enough to reach one of the following ground sources The building ground rod generally located at the site s main service entrance A sprinkler system pipe A cold water pipe Building structural steel 2 Install the ground wire between the grounding stud see figure 6 and the grounding source To avoid the risk of personal injury the distance between grou...

Страница 26: ...uplex opera tion This section describes connecting the DACS to the Ethernet LAN via an Ethernet hub switch or work station Figure 8 Model 3092 network and configuration ports Connecting the 10 100Base T Ethernet port to an Ethernet switch or hub The 10 100Base T Ethernet port see figure 8 on page 26 is designed to connect to an Ethernet switch or hub Connect a straight through CAT 5 cable wired as...

Страница 27: ...uration port Install the supplied DB 9 to RJ 45 cable between the DACS RS 232 port see figure 8 on page 26 and an open serial port on your computer If you need to assemble your own cable refer to the pinout diagram in figure 11 Figure 11 DB 9 to RJ 45 cable diagram Connecting to the T1 E1 WAN ports An active T1 E1 is not necessary to configure the DACS However an active T1 E1 connection is require...

Страница 28: ...modem lines are polarity insensitive so you only need to match the correct twisted pairs without being concerned about matching the individual wires of the twisted pair 1 Connect the RJ 21X connector of the cable into the 50 pin RJ 21X receptacle on the rear of the DACS 2 The other end of the cable has 25 non terminated twisted pairs for connection to punch down blocks Select the twisted pairs whi...

Страница 29: ...pply source that is electrically isolated from the AC source as stated below The 40 72 Volt DC source is to be reliably connected to earth First connect the negative lead to the negative side of the DC Supply Second connect the positive lead to the positive side of the DC Supply 2 Verify that the green POWER LED is lit If the POWER LED is flashing green refer to Chapter 5 Trou bleshooting and main...

Страница 30: ...2 Hardware installation Model 3092 iDSL DACS Getting Started Guide 30 Completing the hardware installation ...

Страница 31: ...a Web browser to complete Model 3092 configuration 36 Displaying the DACS 3092 Web Administration Pages 37 Home page overview 38 Configuring the DS0 mapping 39 Examples on configuring static connections 41 Setting the clocking source 42 Activating the iDSL modems 43 Configuring the default gateway 44 Configuring line settings and signaling for E1 45 Configuring the line settings 46 Configuring lin...

Страница 32: ...tings Completing the installation on page 49 describes testing the DACS to verify that it is fully operational Configuration prerequisites Preparing for the configuration You will need the following to configure the DACS A PC that includes the following RS 232 V 24 serial port VT 100 terminal program such as HyperTerminal Ethernet port Web browser for example Netscape Communicator or Microsoft Int...

Страница 33: ... or the Ethernet connection to the Model 3092 at this time Connecting the DB9 RJ45 adapter with the included cable Do the following 1 Connect the DB9 RJ45 adapter to your PC s RS 232 serial port 2 Connect the RJ45 RJ45 cable between the adapter you installed in step 1 and the RS 232 Config port on the rear of the Model 3092 Setting up the HyperTerminal or similar program session Do the following 1...

Страница 34: ... see figure 14 set Connect using to one of the options named Direct to Com where the question mark refers to the number identifying the RS 232 serial port on the PC In the following procedure Com1 will be the used as the port identifier 4 Click on OK 5 The COM1 Properties window displays 6 Configure your COM port settings as shown in figure 15 then click OK Figure 15 COM1 Properties window ...

Страница 35: ...Function arrow and ctrl keys act as to Terminal keys as shown in figure 16 then click OK Figure 16 Terminal keys configuration 9 Connect the male end of the 3092 DACS power cables to the power outlets 10 On your HyperTerminal connection window boot up information will display eventually followed by a login request window resembling that shown in figure 17 Figure 17 Login window 11 For the user nam...

Страница 36: ...default of 255 255 255 0 go to step 21 Otherwise press h and type the new LAN Mask in the same manner as when entering a LAN IP address 19 Press the left arrow cursor key until the TOP LEVEL MANAGEMENT window displays 20 Select a for Home then press Enter 21 Under the Current Status page type 1 store Config 1 to save the changes you have just made to the configuration This completes the initial co...

Страница 37: ...he DACS 3092 Web Administration Pages Do the following 1 Connect your PCs Ethernet connection to the Ethernet 2 Connect the 3092 s DACS 10 100 Ethernet connection to the Ethernet LAN 3 Start a Web browser session In the portion of the browser window where the URL is displayed type the IP address of the Model 3092 for example if the Model 3092 IP address 123 124 221 10 you would type 123 124 221 10...

Страница 38: ... see figure 20 The Configuration Menu contains the links to the various Model 3092 subsystems while the configuration information pane is where you can view status and other information or make changes to the system configuration Unlike the Configuration Menu pane which looks the same no matter which sub system page you may move to the configuration information pane contents will change as you mov...

Страница 39: ...his command Then the DACS will disconnect all current sessions re initialize the interfaces and re load configuration parameters from FLASH Set Factory Default Configuration this button see figure 21 clears out the configuration in FLASH and loads the factory default parameters into FLASH memory The factory default settings will not execute on the Model 3092 until it is re booted by doing a Hard R...

Страница 40: ...rface onto which you will be connecting Within the Model 3092 the user has the option of selecting either a T1 E1 WAN line or an iDSL modem The two Device Types choices are t1 e1 1 and iDSL 2 Note Both sides of the connection can be T1 E1 or both sides can be iDSL Figure 22 DS0 Mapping Configuration window Device Number The next step in creating a connection through the DACS is to select the port ...

Страница 41: ...e following steps 1 Under Dev Type A select iDSL 2 2 Under Dev Num A select port3 3 3 Under Dev Slots A enter 1 2 4 Under Dev Type B select t1 e1 1 5 Under Dev Num B select port1 1 6 Under Dev Slots B enter 4 5 7 Click on the Submit Query button located to the right of the static connection entry you just com pleted 8 Click on the iDSL subsystem in the 3092 Configuration Menu You will see that the...

Страница 42: ...owing steps 1 Under Dev Type A select iDSL 2 2 Under Dev Num A select port13 13 3 Under Dev Slots A enter 1 3 4 Under Dev Type B select t1 e1 1 5 Under Dev Num B select port3 3 6 Under Dev Slots B enter 8 10 7 Click on Submit Query to the right of the static connection entry which you just completed 8 Click on the T1 E1 Assignment subsystem in the 3092 Configuration Menu You will see the appropria...

Страница 43: ...3 Set the Fallback Reference to none 0 if you have no other T1 E1 WAN links for connection to the 3092 Otherwise select the appropriate WAN port under Fallback Reference 4 Click on Submit Query Activating the iDSL modems Before data transmission can occur the internal iDSL modems must be activated Do the following to activate the modems 1 Click on iDSL on the Configuration Menu 2 If you have 24 iD...

Страница 44: ...ault gateway Do the following to add the default gateway 1 Select IP on the Configuration Menu then click on Routing Info see figure 24 Figure 24 IP Routing Information window 2 The route which you already see in the table appeared upon the configuration of the LAN IP address 3 To enter the default gateway use the first Add Route line The Destination shall remain as 0 0 0 0 There is no mask to ent...

Страница 45: ...e settings and signaling for E1 1 Select T1 E1 Link on the Configuration Menu The T1 E1 Link Activity window appears see figure 25 2 Link 1 corresponds to Line 1 on the DACS Under Link 1 Click on Configuration then Modify The Line Interface Settings section of the WAN Circuit Configuration window appears see figure 26 Figure 26 WAN Circuit Configuration window Line Interface Settings section ...

Страница 46: ...Interface Settings section of the WAN Circuit Configuration window appears see figure 26 on page 45 Configuring the line settings 1 Click on the Line Type pop up menu see figure 26 on page 45 and choose from the following options dsx1ESF Extended SuperFrame DS1 dsx1D4 AT T D4 format DS1 2 Click on the Line Coding pop up menu see figure 26 on page 45 The most common options are dsx1B8ZS and dsx1AMI...

Страница 47: ...s server greatly speeding up the installation process should an access server need replacing Note All actions for Import Export require superuser access privileges 4 To import or export a configuration click on Import Export under the Configuration Menu to display the Import Export main window see figure 27 Figure 27 Import Export main window 5 To export the flash configuration click on the Export...

Страница 48: ...layed data as a text file select the Save option on your browser see figure 29 For example under Netscape select File Save As A dialog box will display enabling you to save the contents of the export parameters to a text file Select the location where you want the file stored type a file name and click Save Figure 29 Saving the access server flash memory configuration data as a text file ...

Страница 49: ...h the network signal and that the link is ready for use Note If the DACS does not respond as described the most likely cause is that the DACS default settings are not compatible with the T1 E1 line If this is the case use the RS 232 CONFIG port to correct the DACS settings You will have to examine the T1 E1 Link section in the configuration pages in the DACS 6 There are two LEDs on the DACS 10 100...

Страница 50: ...3 Configuring the DACS for operation Model 3092 iDSL DACS Getting Started Guide 50 Completing the installation ...

Страница 51: ...51 Chapter 4 Operation and shutdown Chapter contents Introduction 52 Activating the Model 3092 52 De activating the Model 3092 52 ...

Страница 52: ...er 5 seconds the Link A Error LED flashes indicating that the Model 3092 is satisfied with the quality of the T1 E1 signal 4 After 10 seconds the Link A Error LED extinguishes indicating that the Model 3092 is satisfied with the network signal and that the link is ready for use 5 There are two LEDs on the Model 3092 10 100 Ethernet port a green LED that indicates link status and activity and a yel...

Страница 53: ...he Model 3092 58 Exporting the current Model 3092 configuration 58 Removing the defective Model 3092 60 Installing the replacement Model 3092 61 Verifying the hardware installation 61 Importing a saved configuration 61 Using the DB9 RJ45 adapter with the included cable 61 Setting up the HyperTerminal or similar program session 62 Completing the installation 65 ...

Страница 54: ...ration As soon as possible unplug both power cables from the Model 3092 wait 30 seconds then plug the cables back into the Mode 3092 to see if the problem disappears If the CPU FAIL LED remains lit after the Model 3092 com pletes the power up cycle contact Patton Technical Support to determine whether the DACS needs to be replaced or not ALARM LED is lit Indicates that an alarm condition has been ...

Страница 55: ...Introduction 55 Model 3092 iDSL DACS Getting Started Guide 5 Troubleshooting and maintenance ...

Страница 56: ...to be replaced or not Off No input power is being applied Verify that power is being supplied to the Model 3092 CPU FAIL Front panel Red On solid CPU is unable to load the software from FLASH to RAM for operation As soon as possible unplug both power cables from the Model 3092 wait 30 seconds then plug the cables back into the Mode 3092 to see if the problem disappears If the CPU FAIL LED remains ...

Страница 57: ...ot Ext Clock Front Panel Green On solid An external clock source is being used Test Mode Front panel Green On solid One or more of the iDSL ports is in test mode Off None of the iDSL ports is in test mode DSL Frame Front Panel Green On solid One or more iDSL ports has linked up successfully Off No iDSL ports have linked up DSL Error Front panel Red On solid One or more iDSL ports has errors Off No...

Страница 58: ...e installation process should an access server need replacing 1 If you already have a recently exported backup of your configuration go to Removing the defective Model 3092 on page 60 10 100 ETHERNET Rear panel Green On solid Link is valid No action recommended Off A valid link has not been detected Verify that the cable is plugged into the hub switch or workstation and the Model 3092 Verify that ...

Страница 59: ...port main window Note The parameters that will be exported are the power up settings as they are stored in flash memory and may not be the current operating parameters To ensure that you export the most current parameters go to HOME then click on the Record Current Configuration button under Immediate Actions 3 To export the flash configuration click on the Export Flash link on the Import Export m...

Страница 60: ...e under Netscape select File Save As A dialog box will display enabling you to save the contents of the export parameters to a text file Select the location where you want the file stored type a file name and click Save Figure 32 Saving the access server flash memory configuration data as a text file Removing the defective Model 3092 1 Remove the replacement Model 3092 from its shipping container ...

Страница 61: ...hen go to step 5 2 Install the rack mounting ears onto the Model 3092 using the mounting hardware provided 3 Place the Model 3092 at the desired position in the rack 4 Secure the Model 3092 in position with the mounting screws 5 Install the ground wire onto the grounding stud 6 Connect the following cables onto the Model 3092 the T1 E1 WAN cables the RS 232 CONFIG cable the 10 100 ETHERNET cable 7...

Страница 62: ...l session by double clicking on HYPERTRM EXE Figure 33 Connection Description window 2 Type a connection name for example 3092 Config select an icon then click OK see figure 33 Figure 34 Connect To window 3 On the Connect To window see figure 34 set Connect using to one of the options named Direct to Com where the question mark refers to the number identifying the RS 232 serial port on the PC In t...

Страница 63: ...gure your COM port settings as shown in figure 35 then click OK Figure 35 COM1 Properties window 7 Click on the File menu then select Properties 8 Configure the settings for Function arrow and ctrl keys act as to Terminal keys as shown in figure 36 then click OK Figure 36 Terminal keys configuration ...

Страница 64: ...e password type superuser the TOP LEVEL MANAGEMENT window then appears see figure 38 Figure 38 VT 100 Top Level Management window 13 Type k for System then press Enter 14 Under System type 1 for Details then press Enter 15 Enter g for LAN Address then press Enter 16 Type your LAN IP address followed by pressing Enter 17 Press the left arrow cursor key on your keyboard to return to the previous scr...

Страница 65: ... Do not select Record Current Configuration after importing configu ration parameters Completing the installation This section verifies that the Model 3092 is fully operational 1 Temporarily disconnect the male ends of both power cords from the power distribution strip or to a wall outlet Wait 30 seconds then plug the power cords in again 2 Verify that the green POWER LED is lit If the POWER LED i...

Страница 66: ...5 Troubleshooting and maintenance Model 3092 iDSL DACS Getting Started Guide 66 Maintenance ...

Страница 67: ...er contents Introduction 66 Contact information 66 Warranty Service and Returned Merchandise Authorizations RMAs 66 Warranty coverage 66 Out of warranty service 66 Returns for credit 66 Return for credit policy 67 RMA numbers 67 Shipping instructions 67 ...

Страница 68: ...ip ment All of our products are backed by a comprehensive warranty program Note If you purchased your equipment from a Patton Electronics reseller ask your reseller how you should proceed with warranty service It is often more convenient for you to work with your local reseller to obtain a replacement Patton services our products no matter how you acquired them Warranty coverage Our products are u...

Страница 69: ...ting a request on the RMA Request page in the Support section at www patton com By calling 1 301 975 1000 and speaking to a Technical Support Engineer By sending an e mail to returns patton com All returned units must have the RMA number clearly visible on the outside of the shipping container Please use the original packing material that the device came in or pack the unit securely to avoid damag...

Страница 70: ...6 Contacting PATTON for assistance Model 3092 iDSL DACS Getting Started Guide 70 Warranty Service and Returned Merchandise Authorizations RMAs ...

Страница 71: ...71 Appendix A RJ 21X Wiring Color Chart Chapter contents Introduction 70 ...

Страница 72: ...wn Tip 4 Pair 4 29 Brown White Ring 4 4 White Slate Tip 5 Pair 5 30 Slate White Ring 5 5 Red Blue Tip 6 Pair 6 31 Blue Red Ring 6 6 Red Orange Tip 7 Pair 7 32 Orange Red Ring 7 7 Red Green Tip 8 Pair 8 33 Green Red Ring 8 8 Red Brown Tip 9 Pair 9 34 Brown Red Ring 9 9 Red Slate Tip 10 Pair 10 35 Slate Red Ring 10 10 Black Blue Tip 11 Pair 11 36 Blue Black Ring 11 11 Black Orange Tip 12 Pair 12 37 ...

Страница 73: ...air 20 45 Slate Yellow Ring 20 20 Violet Blue Tip 21 Pair 21 46 Blue Violet Ring 21 21 Violet Orange Tip 22 Pair 22 47 Orange Violet Ring 22 22 Violet Green Tip 23 Pair 23 48 Green Violet Ring 23 23 Violet Brown Tip 24 Pair 24 49 Brown Violet Ring 24 24 Violet Slate Not Used Pair 25 Not Used 50 Slate Violet Not Used 25 Table 5 Band Marked Color Code Continued Wire Color Code Tip and Ring Pair Numb...

Страница 74: ...A RJ 21X Wiring Color Chart Model 3092 iDSL DACS Getting Started Guide 74 Introduction ...

Отзывы: