Router Maintain and Protection

The main content of this section is how to maintain and protect D-Link 2641 modulor Router , includs the following sections :

Opening the chassis

Closing the chassis

The system memorizer upgrade

SDRAM installation

Extended FLASH

Warning

1.        Ensure no static electricity on your body before openning the chassis.Please read "Safety Guide" before any operating in appendixB after closing the switch of Router.

2.        Please lift 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 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 chassis of the Router 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 screws on fixed cover by screw-driver;

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

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

Step5: Remove the chassis top from chassis bottom (as shown in Figure 3);

 Step6:  When the top cover is off ,set  it aside and   it shows the layout of system cards ,as the follows:

Note:

Put down the cover gently and carefully avoiding any demage after lifting it , otherwise it will be very difficult to install later.

Closing the device

This section introduce the procession of locating the cover and closing device .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 cover 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 because of upgrading or replacing D-Link 2641 modulor Routers , please act as the following steps :

1.        Power OFF the router;

2.      Opening the chassis 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-Link2641 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 it 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.     Fold the pinchcock of the two sides of SDRAM DIMM slots untill to lock the SDRAM bar (as shown in figure 2)

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

Upgrade FLASH

Flash memory standard of D-Link2641 modulor router is 8Mbyte,which can be upgraded to 32M as the following steps:

1.            Power OFF the router;

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

3.            Find the location of SARAM DIMM slots of D-Link2641 modulor Router following the main panel picture (above ).

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

A.   Clinch the FLASH extended bar at a 45 angle into extended slot..   

B.       Lightly push it up, enable the two orientation steel strips (1, 2) firmly stick to the circuit board

C.       When you are dismantling it, you should first break the orientation steel strips on two points of 1, 2 off with fingers and thumbs, meanwhile pushing downwards the FALSH extend stripe, until the circuit board completely departs from the fastness of the orientation steel strips. Then pull the FLASH extend strips out at tilted 45 degree.

 

 

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