Dell PowerConnect 2616 Kullanıcı Kılavuzu - Sayfa 5
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Connecting Switches to Systems
By connecting a switch to systems, you can form a small network. To improve network efficiency, use 1000-Mbps full-duplex operation between the server and
switch if the LAN adapter on the server can operate in full-duplex mode.
All the RJ-45 ports support Auto MDI/MDIX and therefore automatically detect the type of cable used to connect the network device. Crossover or straight-
through networking cables can be used to connect PCs as well as other networking devices like hubs or routers to the switch. All ports on the switch
automatically negotiate speed and whether to operate in full duplex or half duplex.
Class-of-Service
The switch supports tag-based prioritization following the IEEE 802.1p standard. The eight levels of IEEE 802.1p priority are mapped to the two priority
queues of each port. For each port, the two priority queues are scheduled following a Weighted Round Robin scheme.
Table 1-1. Tag-Based Prioritization
IEEE 802.1p Priority Priority Queue Scheduling Weight
0-3
0
4-7
1
NOTE:
The IEEE 802.1p priority information is part of the IEEE 802.1q tag that also defines VLAN memberships. The switches will ignore the VLAN
membership information in the tag (that is, all ports are part of all VLANs), but will preserve the full tag information—including packet priority and VLAN
ID—when transmitting the packet at the destination port.
Mounting Kit Instructions
These switches come with mounting brackets and screws for rackmounting or wallmounting and rubber feet for stationing on a flat surface.
Installing the Switch on a Flat Surface
The switch can be installed on any appropriate level surface that can safely support the weight of the switches and their attached cables. There must be
adequate space around the switch for ventilation and access to cable connectors.
To install the switch on a flat surface, complete the following steps:
1. Set the switch on the flat surface and check for proper ventilation.
Allow at least 5.1 cm (2 inches) on each side for proper ventilation and 12.7 cm (5 inches) at the back for power cable clearance.
2. Attach rubber feet on each marked location on the bottom of the chassis.
The rubber feet are optional, but are recommended to keep the switch from slipping.
Installing the Switch in a Rack
The switch can be installed in Dell PowerEdge™ racks, which are 48.3 cm (19 inches). It can also be installed in most other standard 19-inch racks and most
telco two-post racks.
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