Slot Numbering for an EX8208 Switch
An EX8208 switch is an 11-slot chassis. The chassis accepts eight line cards, two Switch Fabric and Routing Engine (SRE) modules, and one Switch Fabric (SF) module. All 11 slots for the line cards and modules run horizontally across the front of the chassis.
Table 1 lists the slot numbers on the EX8208 chassis and the components those slots accept.
Figure 1 shows the slot numbering, which is on the front left of the chassis.
Table 1: Slot Numbering for an EX8208 Switch
Slot Label |
Components Accepted in Slot |
|---|---|
0 |
Line card |
1 |
Line card |
2 |
Line card |
3 |
Line card |
SRE0 |
SRE module |
SF |
SF module |
SRE1 |
SRE module |
4 |
Line card |
5 |
Line card |
6 |
Line card |
7 |
Line card |
Slots 0 through 7 accept one of the three types of line cards available. See Installing a Line Card in an EX8200 Switch.
Slots SRE0 and SRE1 accept only the SRE module. You can install one SRE module or two SRE modules based on the configuration of your switch. See Switch Fabric and Routing Engine (SRE) Module in an EX8208 Switch.
 |
Note: We recommend that you install two SRE modules for redundancy. If you install only one SRE module, we recommend that you install it in the slot SRE0. See Installing an SRE Module in an EX8208 Switch. |
Slot SF accepts only the SF module. See Switch Fabric (SF) Module in an EX8208 Switch. An EX8208 switch can have either zero SF modules or one SF module based on your switch configuration. The SF module is keyed so that it does not fit in any other slot in the chassis. See Installing an SF Module in an EX8208 Switch.
The chassis also has six vertical slots on the front bottom of the chassis. You can install up to six power supplies in these slots, which are labeled PSU 0 through PSU 5 (from left to right). Figure 1 shows the power supply slots on the front bottom of the chassis. See AC Power Supply in an EX8200 Switch.
|
Note: Power supplies can be installed in any slot. You do not have to install the power supplies in serial order. See Installing an AC Power Supply in an EX8200 Switch. |
Figure 1: Slot Numbering for an EX8208 Switch
