C H A P T E R  2

Rackmounting the SilkWorm 3800 Switch

The SilkWorm 3800 switch requires that the rails be mounted into a Sun StorEdge 72-Inch Expansion Cabinet or a Sun Rack 900/1000 equipment rack before installation of the switch. Each 3800 switch comes with a rackmounting kit.

The 3800 switch is 1 RU (rack unit) in height.

This chapter contains the following sections:



Note - Some hardware in the rackmounting kit parts list might not be used in this installation.




Installing the Rails

1. Separate the inner and outer slide rails for both slide assemblies by performing the following steps.

a. Pull the inner slide rail out until the lock engages.

b. Depress the lock release lever that is located inside the inner slide rail, and pull the inner slide rail out of the outer slide rail.

2. Install the rackmount brackets on the inner slide rails by performing the following steps on each.

These rackmount brackets prevent the switch from sliding all the way out of the rack in the event the rack is accidentally moved.



Note - To meet air flow requirements, the SilkWorm 3800 switch is mounted with the cable side facing the back of the cabinet (rack).



a. Position a rackmount bracket at the end of the inner slide rail (the end that does not contain the lock release lever), as shown in FIGURE 2-1.

b. Attach the rackmount bracket to the slide rail using two of the slotted head
8-32 x 3/8-inch screws, with a lock nut on the end of each screw.

c. Tighten the screws to a torque of 15 inch-pounds (17.3 cm-kgs).

3. Attach two of the three-hole extension slide mount L-brackets to each outer slide rail.

a. See FIGURE 2-2. Use two of the slotted head 8-32 x 3/8-inch screws per L-bracket, with the screw heads on the inside of the slide rails and a lock nut on the end of each screw.

b. Tighten the screws to a torque of 15 inch-pounds (17.3 cm-kgs).

4. Install the inner slide rails to the SilkWorm 3800 switch chassis by performing the following steps on each.

a. Position one of the inner slide rails with the flat side against the SilkWorm 3800 switch.

To allow the power supply side of the 3800 switch to slide out of the front of the rack, orient the rail as shown in FIGURE 2-1, with the end containing the lock release lever toward the cable side of the 3800 switch.

b. Attach the rail to the SilkWorm 3800 switch by using the Phillips 8-32 x 3/16-inch screws.



caution icon

Caution - Using screws longer than 3/16-inch on the 3800 switch chassis can damage the SilkWorm 3800 switch.



c. Tighten the screws to a torque of 15 inch-pounds (17.3 cm-kgs).


FIGURE 2-1 SilkWorm 3800 Switch Inner Slide Rail Installation

The figure shows the installation of the inner slide rails on the SilkWorm3800 switch.


5. Install the outer slide rails in the rack by performing the following steps on each.

a. Loosen the screws of both of the three-hole extension slide mount L-brackets on the outer slide rail.

b. Position the outer slide rail in the rack and adjust the L-brackets to accommodate the depth of the cabinet. Refer to FIGURE 2-2.

To allow the SilkWorm 3800 switch to slide out of the front of the rack, orient the rail as shown in FIGURE 2-2, with the closed end of the slide rail toward the back of the rack.



Note - For racks with a depth greater than 31.50 inches (80 cm), the rear L-brackets must be replaced with the 11-inch (27.9-cm) L-bracket. Adjust the length as required.



c. Re-tighten the screws.

d. Attach the L-bracket on the front end of the outer slide rail to the corresponding rack vertical rail, using two of the Phillips 10-32 x 3/8-inch screws. See FIGURE 2-2.

e. Tighten the screws to a torque of 25 inch-pounds (28.8 cm-kgs).

f. Repeat Steps d and e with the bracket on the back end of the same outer slide rail.

The bracket position can be adjusted to fit the rack. The back end uses three screws.


FIGURE 2-2 Silkworm 3800 Switch and Outer Slide Rail Installation

The figure shows the installation of the outer slide rails in the rack.



Installing the Silkworm 3800 Switch

1. Install the SilkWorm 3800 switch in the rack by performing the following steps.

a. Position the SilkWorm 3800 switch next to the rack as shown in FIGURE 2-2, and insert the inner slide rails into the outer slide rails.

b. Slide the SilkWorm 3800 switch into the rack.



Note - A screwdriver might be needed to depress the slide lock on the side of the slide rail when inserting or removing the SilkWorm 3800 switch from the rack.



c. Check the alignment by sliding the switch in and out of the rack.

If there is any difficulty, pull the switch out of the rack and realign the slide rails.

2. Attach the rackmount brackets to the vertical rack rails using one Phillips 10-32 x 3/8-inch screw per bracket, tightening the screws to a torque of 25 inch-pounds (28.8 cm-kgs). See FIGURE 2-2.

3. (Optional) Provide power to the SilkWorm 3800 switch by performing the following steps.

a. Place the power cord clips on the outer slide rails. See FIGURE 2-2.

The clips can be positioned with the tabs above or below the rail.

b. Insert the power cords into the power cord clips with a minimum service loop of six inches at the switch to ensure freedom to plug and unplug the power cord.



caution icon

Caution - Do not plug a power cord into the power source or into the switch power supply until the switch is completely installed in the rack.

Ensure all cables and cords are routed so that they will not be exposed to stress when the switch is moved on the slide rails.



c. Connect the power cords to the SilkWorm 3800 switch and to a power outlet.



Note - Always unplug the power cords from the SilkWorm 3800 switch before moving it on the slide rails to prevent the cords from being pulled out of the power cord clips.



d. Flip the SilkWorm 3800 switch AC power switches to "I".

Refer to the following for important information on setting up the switch:



caution icon

Caution - Do not connect the SilkWorm 3200, 3250, or 3850 switch to the network until the IP addresses are correctly set.