Router Maintain and Protection

The main content of this section is how to maintain and protect D-Link 1720 modulor Router , including the following sections :

Opening the chassis

Closing the chassis

The system memorizer upgrade

SDRAM installation

Extended FLASH

Warning

1.        Ensure static electricity emission of your body before openning the chassis.Please read "Safety Guide" before any operating in appendixB after closing the switch of Router.

2.        Please unlatch power pin when operate near or on the Router;

Opening the chassis

This section introduces how to open the chassis and the tools needed and operating methods.

Warning

Do not touch the power supply to avoid any hurting when the power cord is connected.

It maybe need some tools which are not provided as the standard equipment with the router, as the folllowing:

1.      cross screw-driver

2.      Electrostatic discharge-pretective wrist strip

Opening the Router top as the following steps

Step1: Close the power switch(press the switch to OFF side);

Step2: Disconnect  all cables from the rear panel of the Router :

Step3 :Drive off the screw on fixed top by screw-driver;

Note:The chassis is consist of  the top and  bottom.

Step4 : Holding the chassis with both hands ,positionit as shown in the following piture ;

Step5:   When the top is off ,set  it aside and   it shows the layout of system cards ,as the follows:

Note

Put down the top steady avoiding any demage after lifting it , otherwise it will be very difficult to install later.

Close the chassis

This section introduce the procession of locating the top and closing chassis .Please act as the following procession:

Step1: As the following picture , put the top and bottom well according to thier place:

Step2:  Attach the edges of the top and the bottom according to the picture;

Step3 : When the two sections are together, slide the top setion into the slots on the front panel of the bottom to make sure the following :

Step4 : Replace and tighten the top screws by the screw-driver.

Step5 :Reset the chassis of the Router  on a desktop or in a rack.

Step6 :Connect all cables after completing all work.

System memorizer upgrade

SDRAM installing method

If you need disassemle or assemble caused because of upgrading or changing in D-Link 1720 modulor Routers , please act as the following steps :

1.        Power OFF the router;

2.         Opening the chassis top following the procedure in the "Openning the chassis "show the main panel of Router system .

3.        Find the location of SARAM DIMM slots of D-Link1720 modulor Router following the main panel picture (above ).

4.        Follow the picture(insert/lift SDRAM shown picture),break off the two sides of SDRAM DIMM slots pinchcock with thumbs equelly (see figure 2).Lift the SDRAM bar uprightly.

 

Note:If fails to dreak off SDRAM slots, check if it is locked by some thing, then try again as the above.

 

 

5.     Insert the new SDRAM bar by sliding the the end with the metal fingers into the SDRAM connector socket at approximately a 90 angle to the system card .Gentely rock the SDRAM bar into place until the latches on both sides snap into place.

6.    Install the chassis according to "Closing chassis "after finishing SDRAM bar installation.

Upgrade FLASH

Flash memory standardd of D-Link1720 modulor router is 8Mbyte,which can upgrade to 32M as the following steps:

1.            Power OFF the router;

2.            Disassemble the router chassis according to the disorder of installing steps to show the main panel ;

3.            Find the location of SARAM DIMM slots of D-Link1720 modulor Router following the main panel picture (above ).

4.            If necessary , remove the existing the Flash extended bar.

A.       Press the FLASH extended bar down at a 45 degree angle into the slot.

B.       轻轻向上推起,使12两定位钢片均卡牢电路板

C.       拆下时,应先将12两点定位钢片轻轻向外掰开,同时向下推FLASH扩展条,至电路板完全脱离定位钢片的固定。然后斜45度将FLASH扩展条拔出。

 

 

5.            Relace the router chassis .Follow the instructions in tthe " Closing the chassis " after completing FLASH upgrade .