Juniper Networks G10 CMTS manual Physical Characteristics, Chassis Physical Specifications

Chassis

•	The major components of the G10 CMTS chassis are listed below and discussed in detail in
•	the following chapters.
•
•	! DOCSIS Module—Up to eight modules, depending on planned customer capacity.
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•	! HFC Connector Module—Up to eight modules, one for each DOCSIS Module.
•
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•		You cannot use an HFC Connector Module in a version 2
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		chassis if you are also using a NIC Module.
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•
•
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•	! SIM—Up to eight modules, one for each DOCSIS Module. The SIM can be used with a
•	version 1 or version 2 chassis.
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•	! Chassis Control Module—One module.
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•	! Hard Disk Module—One module.
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•	! NIC Module—One or two modules; one module per four DOCSIS Modules.
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•	! NIC Access Module—One or two modules, one for each NIC Module.
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•	! Power supply—10 units, AC or DC.
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•	! Power transition module—Two modules, AC or DC models.
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•	! Fan—Two front trays and one rear tray housing a total of 18 fans.
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•

•Physical Characteristics

•
•	Chassis physical and environmental specifications are provided in Table 1 on page 20 and
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	Table 2 on page 21.
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•	The G10 CMTS chassis is constructed of plated sheet metal. It fits into a 19-inch equipment
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	rack that complies with EIA standard RS-310-C. You can install the chassis into a 23- inch EIA
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	rack by attaching additional mounting brackets to the sides of the chassis. Additional rail and
•
	bracket mounting holes are provided to support installation into nonstandard racks.
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•	Threaded nuts for chassis ground are located on the lower right side of the chassis near the
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	rear. One ESD jack for wrist straps is located in the front upper center (see Figure 4 on
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	page 11).
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•

•Table 1: Chassis Physical Specifications

•	Specification	Value
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	Height	578 mm (22.8 in., 13 U)
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•	Width	480 mm (18.9 in.), excluding mounting brackets
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	Depth	483 mm (19.0 in.)
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	Weight	36 kg (80 lb) empty
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		64 kg (140 lb) fully populated
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20 JUNOSg 3.0 G10 CMTS Hardware Guide