Juniper Networks MX240 manual Routing Engine Interface Cable and Wire Specifications

Appendix E: Cable and Wire Guidelines and Specifications

Routing Engine Interface Cable and Wire Specifications

Table 39 on page 183 lists the specifications for the cables that connect to management ports and the wires that connect to the alarm relay contacts.

Table 39: Cable and Wire Specifications for Routing Engine Management and Alarm Interfaces

	Cable	Cable/Wire	Maximum	Router
Port	Specification	Supplied	Length	Receptacle
Routing Engine	RS-232 (EIA-232)	One 6-ft	6 ft (1.83 m)	RJ-45/DB-9 male
console or	serial cable	(1.83-m) length
auxiliary		with RJ-45/DB-9
interface		connectors
Routing Engine	Category 5 cable	One 15-ft	328 ft (100 m)	RJ-45
Ethernet	or equivalent	(4.57-m) length		autosensing
interface	suitable for	with RJ-45/RJ-45
	100Base-T	connectors
	operation
Alarm relay	Wire with gauge	No	None	—
contacts	between
	28-AWG and
	14-AWG (0.08
	and 2.08 mm2)

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