Cisco 4006 - Catalyst Switch Güç Kılavuzu - Sayfa 4

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Further Considerations

Extended runtimes

Symmetra Extended Run Frames (SYRMXR4B4) can be added to the Symmetra RM UPS for up to 4

hours of runtime. These frames are 4U high and are easily added via a hot-installable connector. Up

to seven of these Extended Run Frames can be added to any Symmetra RM UPS. Each SYRMXR4B4

will provide an additional 30 minutes of runtime for the configurations described above.

Multiple switches

Many customer configurations will involve multiple switches in the same equipment room. There are

different methods of providing protection for this scenario including one UPS per switch or one UPS

for the entire room. To size one UPS for multiple switches, add up the total watt rating and APC's

web-based sizing guide can specify the correct UPS configuration.

Other configurations

Symmetra RM UPS is only one possible choice for providing power protection. Symmetra's scalable

N+1 redundant design and user-serviceability make it a good first choice for Catalyst Switches.

Certain customers may require different features from their UPS. Some customers for example may

insist on separate UPS and separate power feeds for each Catalyst power supply. Others may not

require any redundancy and just want the most basic UPS that will support the load for five minutes.

HVAC

IP Telephony switches utilizing inline power port technology require much more power than usually

required in an equipment room for data switches. A direct result of this is a much higher heat loss.

This generates a need for good environmental control and ventilation.

Racks

Many of these switches will be replacing current data routers and other networking equipment. These

current devices are typically found in two post racks with small weight bearing capacity. The

Symmetra UPS with extended runtime combined with a couple Catalyst Switches would far exceed the

typical weight capacity of these racks. This plus the heat considerations make a two thousand pound

rated four-post open rack a consideration to replace the older racks.

If the customer insists on retaining the two-post racks, APC can provide this customer with two-post

mounting kits or floor mounting kits with casters for the Symmetra RM UPS Family.

Other voltage areas

Customers deploying Cisco equipment in areas with other voltage requirements (i.e. 230V, 50 Hz) will

need different Symmetra skus. The following table serves as a direct replacement for the Symmetra

RM UPS part numbers described in the document above.

Cisco Switch

4006

6509

6513

all

4006

208/120V 60 Hz

230V 50 Hz

SYH6KNRMT-P1

SYH6KNRMI

SYH6KNRMT

SYH6KNRMI

SY12K12RMT

SY12K12RMI

SYRMXR4B4

SYRMXR4B4I

SYTF2

N/A

200/100V 60 Hz

SYH6KNRMJ-P1

SYH6KNRMJ

SY12K12RMJ

SYRMXR4B4J

SYTF2J