Cisco ONS 15454 DWDM Reference Manual

14-4
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 14 Timing Reference
14.3 Synchronization Status Messaging
ST2 3 Stratum 2
ST3 4 Stratum 3
SMC 5 SONET minimum clock
ST4 6 Stratum 4
DUS 7 Do not use for timing synchronization
RES — Reserved; quality level set by user
Table 14-2 SSM Generation 2 Message Set
Message Quality Description
PRS 1 Primary reference source—Stratum 1
STU 2 Synchronization traceability unknown
ST2 3 Stratum 2
TNC 4 Transit node clock
ST3E 5 Stratum 3E
ST3 6 Stratum 3
SMC 7 SONET minimum clock
ST4 8 Stratum 4
DUS 9 Do not use for timing synchronization
RES — Reserved; quality level set by user
Table 14-1 SSM Generation 1 Message Set (continued)
Message Quality Description

Cisco ONS 15454 DWDM Specifications

General

Chassis Type	DWDM
Form Factor	Rack-mountable
Slots	17
Storage Temperature	-40 to 158°F (-40 to 70°C)
Relative Humidity	5% to 95% non-condensing
Power Supply	AC or DC
Cooling	Internal fans
Operating Temperature	23 to 104°F (-5 to 40°C)
Altitude	0 to 6500 ft (0 to 1981 m)
Safety Compliance	EN 60950-1
EMI Compliance	FCC Part 15