Juniper Networks M10, M5 manual Site Preparation Checklist

Site Preparation Checklist

the power to bring it within the allowable range; for short lengths of fiber, with fiber and connector loss close to zero, an attenuator of 5 to 10 dB should be sufficient.

For specifications of minimum and maximum input level (receiver sensitivity and receiver saturation) and minimum and maximum output level (average launch power) for the SONET/SDH PICs supported on the M5 and M10 routers, see the M5 and M10 Internet Routers PIC Guide.

Cable Specifications for Routing Engine Management Interfaces

For management and service operations, you connect the Routing Engine to an external console or management network through ports on the craft interface. For information about the ports, see “Routing Engine Interface Ports and Status Indicators” on page 15.

Table 13 lists the specifications for the cables that connect to management ports.

Table 13: Cable Specifications for Routing Engine Management Interfaces

	Cable	Cable/Wire	Maximum	Router
Port	Specification	Supplied	Length	Receptacle
Routing Engine	RS-232 (EIA-232)	One 6-ft (1.83-m)	6 ft (1.83 m)	DB-9 male
console or	serial	length with
auxiliary		DB-9/DB-9
interface		connectors
Routing Engine	Category 5 cable	One 15-ft (4.57-m)	328 ft (100 m)	RJ-45
Ethernet	or equivalent	length with		autosensing
interface	suitable for	RJ-45/RJ-45
	100BaseT	connectors
	operation

Site Preparation Checklist

The checklist in Table 14 summarizes the tasks you need to perform when preparing a site for router installation.

Table 14: Site Preparation Checklist

	Performed
Item or Task	By	Date	Notes
Verify that environmental factors such
as temperature and humidity do not
exceed router tolerances (see “Router
Environmental Tolerances” on page 40).
Measure distance between external power
sources and router installation site.

52M5 and M10 Internet Routers Hardware Guide