OptiX OSN 550 Product Specifications

System Features
Subrack dimensions		88 mm (H) x 442 mm (W) x 220 mm (D)
Switching capacity		Packet: 60 Gbit/s and TDM: 20 Gbit/s (higher order), 5 Gbit/s (lower order)
Service slots		6 service interface slots
Highly reliable design		1+1 hot backup for power supply modules 1+1 hot backup for the system control boards 1+1 hot backup for the cross-connect and synchronous timing boards
Supported interfaces		Packet transport interfaces		E1, ch STM-1, ATM STM-1, FE/GE/10GE
		MSTP interfaces		STM-1/4/16, E1/E3/T1/T3, FE/GE
		WDM interfaces		40-channel DWDM interfaces, compliant with ITU-T G.694.1 8-channel CWDM interfaces, compliant with ITU-T G.694.2
Networking Mode		Supports pure packet,hybrid (packet + SDH) or SDH networking Supports WDM networking Supports single-fiber bidirectional transmission
Power Supply		-38.4~-72V DC; 110/220V AC
Installation		ETSI rack with 300mm/600mm depth 19-inch rack Wall-mount Desktop Out-door cabinet
Weight		Net weight of the subrack (no board or fan): 2.78 kg Typical configuration: 5.8kg
Operation Environment		Temperature Relative Humidity Long term: -5°C ~ 55°C 10% ~ 90% Short term: -5°C ~ 65°C 5% ~ 95%
Packet Transport Features
Service features	E-Line and E-LAN QinQ MPLS-TP based VPWS and VPLS Multi-section pseudo-wire (MS-PW) TDM PWE3: CESoPSN and SAToP, compression of idle timeslots ATM/IMA PWE3 ETH PWE3 IGMP SNOOPING V2 Blacklist, Broadcast packet suppression, ACL VLAN SWAP
QoS features	DiffServ mode based on traffic classification Simple traffic classification, complex traffic classification, per hop behavior (PHB), and ACL Committed access rate (CAR) PQ scheduling priority, weighted round robin (WRR) and PQ+WRR queuing Tail drop and weighted random early detection (WRED) Eight priority queues Shaping based on port scheduling priority
Hardware-based OAM	MPLS OAM		LSP/PW OAM: FDI, BDI CV, FFD, TraceRoute, Ping CES PW VCCV
	MPLS-TP OAM		LSP/PW OAM: CC,LB,LT AIS,RDI LM,DM LCK,TST CSF		Section OAM: CC,LB RDI LM,DM LCK,TST
	Ethernet OAM		ETH-CC(Continuity Check),ETH-Loopback,ETH-Link Trace Remote Loopback,Remote Fault Detection
	ATM OAM RMON(RFC 2819) Flexible design with multiple protocols
Carrier-class protection	LSP/PW Linear protection MPLS-TP Ring protection ERPS(G.8032) Anti multifailure protection based on MS-PW Link aggregation group (LAG) protection LPT STP/RSTP/MSTP IMA protection 1+1 and 1:1 Linear MSP
Clock synchronization	Two external clock inputs/outputs (2 MHz or 2 Mbit/s) Two external time signals(1pps+TOD) Adaptive clock recovery (ACR) Synchronous Ethernet IEEE 1588v2
MSTP Features
Carrier-class protection	SDH Network Protection 2-fiber MS-SP Ring; 1+1, 1:n (n<=14) Linear MSP; SNCP; Fiber shared virtual path protection; DNI (ITU-T G.842) Ethernet Service Protection RSTP, LAG, LPT
Clock synchronization	Two external clock inputs/outputs (2 MHz or 2 Mbit/s) Line clock source Tributary clock source