Related by context. All words. (Click for frequent words.) 69 OC-#/STM-# [003] 69 SDH SONET 69 DWDM optical 69 Gigabit Ethernet uplinks 68 #-Gbit/sec 68 OC-#/STM-# [001] 67 #Gigabit Ethernet 67 OC-#/STM-# [004] 67 #GE ports 67 T#/E#/J# 66 Synchronous Digital Hierarchy 66 OC-#/STM-# [002] 66 T#/E# WAN 66 #.#Gbit s [001] 66 #Base SX 66 #gbps 66 SONET OC 66 #/#BASE-T 66 #Base FX 66 Gigabit Ethernet WAN 66 SFP modules 65 1G Ethernet 65 1GE 65 VoIP Gateways 65 1GigE 65 RS-#/# 65 Switch Routers 65 Ethernet aggregation 65 #Gigabit 65 Iub 65 Wavelength Division Multiplexing WDM 65 Ethernet MACs 65 GigE ports 65 #/#/#Base-T 64 DP QPSK 64 Ethernet SONET 64 T#/E# circuits 64 ActivFlex 64 EoS 64 mux demux 64 OADM 64 #G OTN [001] 64 Gb s optical 64 UDP TCP 64 SONET EoS 64 4Gbit s 64 RSTP 64 Differential Quadrature Phase 64 #Gbps optical [001] 64 DWDM dense wavelength 64 Ethernet PHY 64 #BASE T [001] 64 Gbits sec 64 uplink ports 64 Ethernet-over-SONET/SDH 64 QPSK 64 SerDes chipset 64 Rapid Spanning Tree 64 DS1 DS3 64 SFP transceivers 64 infrared IrDA 64 #G optical [001] 64 XFPs 64 coarse wavelength division multiplexing 64 #Gbits s 63 Nortel Common Photonic 63 WAN PHY 63 #G SFP + 63 Synchronous Optical Network 63 E#/T# 63 GbE PHY 63 OPTera Metro 63 Circuit Emulation 63 #/#BaseT 63 DQPSK 63 #G XFP 63 gigabit switch 63 #/#Mbps Ethernet 63 2Gb s 63 CWDM SFP 63 Fibre Channel Gigabit Ethernet 63 #Gbit s Ethernet [002] 63 PCIe Gen2 63 MODBUS 63 muxponder 63 HN# Series 63 GPON OLT 63 CWDM DWDM 63 Gbps DWDM 63 OTU4 63 Resilient Packet Ring 63 Muxponder 63 #Gbit/sec 63 #.#G [004] 63 #GbE interfaces 63 Calix C7 63 #/#Base-T 63 DS#/E# 63 Fast Ethernet switches 63 AFBR 63 IPv4 IPv6 63 multipoint PMP 63 DVB ASI 63 GENBAND G9 63 GigE interfaces 63 Ethernet GbE 63 #Gb s [002] 63 Ethernet Demarcation 63 #/#/# Ethernet 62 embedded SERDES 62 VRRP 62 GbE SFP + 62 reconfigurable optical 62 serdes 62 Shift Keying 62 Wi Fi #.#a/b/g 62 4Gbit/sec 62 4G Fibre Channel 62 port #/#/# 62 GbE interfaces 62 crosspoint switch 62 SONET Ethernet 62 #Base T [002] 62 SFP transceiver 62 multipoint Ethernet 62 MPLS VPLS 62 Alcatel OmniAccess 62 pseudowire 62 #Gbit s [002] 62 ASON 62 EDFAs 62 Gbps optical 62 2Gbit s 62 DPSK 62 IPmux 62 Passive Optical Networks 62 RJ# ports 62 STM-#/OC-# 62 DS# [002] 62 Resilient Packet Ring RPR 62 4Gbit s Fibre Channel 62 E#/T# ports 62 SIP H# 62 asynchronous serial 62 1Gbit/sec 62 #Base T [001] 62 SFP + modules 62 T#/E# 62 SIGTRAN 62 #G Ethernet ports 62 VPN router 62 #GigE LAN WAN 62 Universal Asynchronous Receiver 62 ADSL VDSL 62 #G DPSK 62 MetroNID 62 #GX [001] 62 Gbps gigabits per 62 Wireless Broadband Router 62 #/#Mbps 62 #GBASE LR 62 fractional T1 62 #BASE 62 Adaptive Optical Engine 62 multimode optical fiber 62 Intel #L 62 SS7 signaling 62 Quadrature Phase Shift Keying 62 Forward Error Correction 62 #.#Tbps [002] 62 ROADM Reconfigurable Optical 62 Gbit sec 62 #/#/# Mbps Ethernet 62 #Gbps serial 61 tunable DWDM 61 LAN PHY 61 Gigabit Ethernet transceivers 61 RS-#/#/# 61 metro DWDM 61 inverse multiplexing 61 Multipoint 61 PWE3 61 Ethernet SONET SDH 61 #-Gbit/sec optical 61 SFP ports 61 multirate 61 #/#/# Ethernet ports 61 #GigE [001] 61 midspans 61 C4 CMTS 61 line terminal OLT 61 #x#G [002] 61 port #G Ethernet 61 Edge OME 61 Ethernet MPLS 61 #.#Tbps [001] 61 PRI ISDN 61 x8 PCIe 61 #GbE ports 61 Calix C7 Multiservice Access 61 pluggable optics 61 DDR InfiniBand 61 #.#ba [001] 61 SRIO 61 Signaling Gateway 61 OC #c 61 #Gb s optical 61 Ethernet interfaces 61 ADVA FSP 61 CAT 5e 61 Transceivers 61 #Gbit s [001] 61 GbE switches 61 RS# interfaces 61 3Gbit s 61 #.#Gbps [001] 61 Gigabit PHY 61 NetIron MLX Series 61 Long Haul DWDM 61 #BaseT [002] 61 Infinera DTN optical 61 Packet Optical Platform 61 8Gb FC 61 Ethernet Extenders 61 Gb sec 61 #Mbps #.#g 61 WiMAX basestation 61 FPDP 61 STM1 61 Synchronous Digital Hierarchy SDH 61 #/#/# Mbps 61 Ethernet Extender 61 PowerBook G4 DDR2 #mb 61 Optical Multiservice Edge 61 Wavelength Division Multiplexing 61 Packet Processor 61 #G WDM [002] 61 GPON EPON 61 2Gb Fibre Channel 61 MSC Servers 61 Vx7 61 #.#Gbit s [002] 61 SDH STM 61 Serdes 61 Dual Polarization Quadrature Phase 61 VCXO 61 ADSL Modem 61 #.#af compliant 61 #x#G [001] 61 IGMP snooping 61 Infinera optical 61 DWDM wavelengths 61 #BASE FX 61 CWDM wavelengths 61 Gb s Ethernet 61 serial RapidIO 61 TDM ATM 61 optical DWDM 61 multi terabit 61 Gigabit Ethernet #GE 61 WANic 61 #/#/#Mbps Ethernet 61 8PSK 60 XFP transceivers 60 gigabits sec 60 Virtual Concatenation VCAT 60 sRIO 60 XFP modules 60 #/#BaseT Ethernet 60 #nm #nm [003] 60 Wireless LAN Controllers 60 CESoP 60 MEF certified 60 MODBUS RTU 60 Line Terminal OLT 60 linecards 60 MF TDMA 60 Tbit s 60 Coarse Wavelength Division Multiplexing 60 HDMI Extender 60 Gbits s 60 Gbps wavelengths 60 Raman amplification 60 E1 T1 60 MPLS backbone 60 optical multiplexer 60 Dual Gigabit Ethernet 60 SoftSwitch 60 L2 L7 60 Gigabit Ethernet SFP + 60 8G Fibre Channel 60 tunable transponder 60 T#/E# interfaces 60 SS7 ISDN 60 Grandmaster Clock 60 Adaptive Modulation 60 GPON optical 60 Access Gateways 60 MetaLIGHT 60 MTP2 60 NodeB 60 Edge QAM 60 #/#Base-TX 60 Add Drop Multiplexers 60 Electronic Dispersion Compensation 60 SDH Synchronous Digital Hierarchy 60 #G/#G [001] 60 WCDMA HSPA + 60 T1 E1 60 RGMII 60 Mbps Ethernet 60 #G wavelengths [001] 60 diplexers 60 Gb Ethernet 60 pluggable transceivers 60 Multi Gigabit 60 #.#Gb s [001] 60 GbE switch 60 Managed Switches 60 T1 DS3 60 photonic layer 60 packet forwarding 60 MSPPs 60 Synchronous Ethernet 60 CATx 60 SONET rings 60 Sonet SDH 60 POTS interfaces 60 OTU3 60 TCI# 60 AES3 60 Core Router 60 DWDM backbone 60 fiber optic transceivers 60 Gigabit uplinks 60 CN# [002] 60 #G DWDM [001] 60 Gigabit Switch 60 optical transceiver modules 60 #x# Multiple Input 60 IEEE#v# 60 OFDM Orthogonal Frequency 60 PtMP 60 OSI Layer 60 Metrobility 60 Access Devices EADs 60 Modbus RTU 60 ISDN BRI 60 #.#AE 60 QAM channels 60 Ethernet PON 60 2Gbps 60 GGSN 60 OC3 60 8Gbps Fibre Channel 60 Gig Ethernet 60 XENPAK X2 60 RS# RS# 60 1G EPON 60 Edge Routers 60 Service Aggregation Router 60 ZyAIR B 60 singlemode 60 Gb s Fibre Channel 60 LoopStar 60 #G Optical [001] 60 Gb Fibre Channel 60 MI #XM 60 #/#/# ports 60 Optical Transceiver 60 gigabit Ethernet #GbE 60 #Mbps Ethernet 60 Motorola BSR # 60 Gigabit Ethernet PHY 60 Bonded ADSL2 + 60 LC connectors 60 Gbit Ethernet 60 #GbE SFP + 60 RS#/# 60 Access Node 60 #/#/#BASE-T ports 60 RF Transceiver 60 Virtual Concatenation 60 Ciena #G 59 Gb SAS 59 Cable Modems 59 #G/#G/LTE 59 multichassis 59 QSFP + 59 SAS expanders 59 XFP transceiver 59 Nortel Optical Multiservice 59 Nortel Networks OPTera Metro 59 GbE LAN 59 EXA Powered 59 #/#/#BASE-T 59 DS0 59 Gigabit Ethernet interfaces 59 PM# SXP 59 MileGate 59 HD SDI SD SDI 59 JetCon 59 IP multicast 59 #Tbps 59 XFP optical 59 Embedded Module 59 Teknovus EPON 59 PCIe Gen 2 59 WDM optical 59 Microwave Radios 59 Multiprotocol 59 SGSN 59 wavelength division multiplexing 59 GMSK 59 SPI#.# 59 datarates 59 #GBASE LR4 [001] 59 #Gbps Ethernet [001] 59 ZMD# 59 DWDM CWDM 59 MEGACO 59 nm VCSEL 59 Mach Zehnder 59 4Gbps Fibre Channel 59 synchronous Ethernet 59 Cyan Z Series 59 L#/L# 59 1G 2G 59 PL# [003] 59 EAC C2C 59 BayStack 59 SCSI Fibre Channel 59 Multiplexing 59 BaseT 59 GbE switching 59 #G coherent [001] 59 #G DP QPSK 59 Mbit s Ethernet 59 IP DSLAMs 59 #.#GHz [001] 59 Vitesse VSC# 59 Add Drop Multiplexer 59 #.#b wireless LAN 59 #GBASE SR# 59 KVM extenders 59 baud rates 59 Packet ONP 59 #GBASE SR 59 UART serial 59 quadrature amplitude modulation 59 #/#/# Gigabit Ethernet 59 4Gb Fibre Channel 59 BigIron RX 59 Firetide HotPort 59 POTS DSL 59 PSTN ISDN 59 MHz bandwidth 59 FiberConnect 59 Gen2 PCI Express 59 UART interface 59 Transmode TM 59 gigabit Ethernet switches 59 Hitachi AMN# 59 Data Serving Node 59 4X InfiniBand 59 LMS# [001] 59 optical transceiver module 59 #Ghz 59 Switch Module 59 Virtual LAN VLAN 59 dual UARTs 59 #Base T [003] 59 SS7 ATM 59 Gigabit Ethernet GigE 59 Gbps Fibre Channel 59 microTCA 59 stackable switch 59 IEEE #.#Q 59 BXR # 59 Pseudo Wire 59 BroadLight BL# 59 G.SHDSL 59 Common Photonic Layer 59 Physical Layer PHY 59 Cat5e 59 PON OLT 59 XENPAK 59 DIAMETER 59 DWDM SFP 59 #/#/#Mbps 59 #Gb/sec 59 SDIO interface 59 PIN photodiodes 59 TDMoIP 59 RS# serial ports 59 #GBASE 59 Gigabit WAN 59 Packet Transport 59 OFDM orthogonal frequency 59 #Base TX 59 haul DWDM 59 digital headend 59 Juniper T# 59 #Gbps [001] 59 #/#Base-T Ethernet 59 OSNR 59 Gigabit Ethernet GbE ports 59 Siemens SURPASS 59 uW 59 rackmountable 59 MPLS Multiprotocol Label Switching 59 Vdd 59 transceiver modules 59 #.#Gb s [002] 59 GSM# [001] 59 Copper Cabling System 59 RS# serial 59 transimpedance amplifier 59 3GPP compliant 59 mux 59 CoreStream Agility 59 Tx Rx 59 #.#a/b/g/n 59 mesh backhaul 59 Xgig 59 #Gbps Ethernet [002] 59 Switching GMPLS 59 Waveform Generator 59 #MHZ [002] 59 division multiplexing 59 Gbps transponders 59 E StaX 59 #Mpbs 59 Nortel #G [001] 59 multiservice switching 59 TDM Ethernet 59 Modbus TCP IP 59 Softswitches 59 Gbps interfaces 59 #Base X 59 Spectrum Overlay 59 WAN interfaces 59 Raman amplifiers 59 SFP + transceivers 59 #T#R 59 SDH PDH 59 Connection Oriented 59 BPSK QPSK 59 8Gbit s 59 MBd 59 megabits sec 59 #GbE switch 59 frequency synthesizers 59 peripheral DMA 59 #Gbit [002] 59 #GHz #GHz 59 ASN GW 59 #Mbps #Mbps [001] 59 BreezeACCESS 58 Gigabit Ethernet Fibre Channel 58 RocketIO 58 FHSS 58 Mbps symmetric 58 BelAir#T 58 #Gbs 58 HiGig 58 IPv#/IPv# 58 VoIP softswitch 58 #/#BaseTX 58 GHz millimeter wave 58 Serial RapidIO ® 58 crosspoint switches 58 Multimode 58 XPort# 58 Multiservice Provisioning Platform MSPP 58 PCI Express Gigabit Ethernet 58 8Gbit s Fibre Channel 58 DS1s 58 Link Aggregation 58 XFP optics 58 ISDN DSL 58 unrepeatered 58 SPI interfaces 58 Allot NetEnforcer 58 crosspoints 58 TDMA GSM 58 LambdaDriver 58 TDM interfaces 58 #/#G [002] 58 wireless basestations 58 QAM quadrature amplitude modulation 58 Multiplexers 58 omni directional antenna 58 Ethernet WAN 58 optical wavelength 58 CWDM 58 multiport 58 Advanced Mezzanine Card 58 NEBS certified 58 iMAP 58 QT# [002] 58 VDSL chipsets 58 matrix switcher 58 ONUs 58 #Tx/#Rx 58 #Gb s [001] 58 CAT6 58 #G QSFP 58 #Gb Fibre Channel 58 #/#M 58 KVM extender 58 Gigabit Ethernet uplink 58 SFP + ports 58 SFP SFP + 58 GE PON 58 Tb s 58 RF amplifier 58 Cat 6a 58 Gigabit Ethernet Switch 58 Mediant TM 58 Encryptors 58 PRC# 58 #G/#G Ethernet 58 tunable transponders 58 zNID 58 Mbit Ethernet 58 NXCPUs 58 iSPAN 58 x1 PCIe 58 Dispersion Compensation 58 Draft #n 58 SFP + transceiver 58 DS3s 58 PDH SONET SDH 58 Channel HBAs 58 packetization 58 NetIron MLX 58 SHDSL 58 Industry Highest Density 58 RF subsystem 58 GPRS EDGE UMTS 58 Interface Cards 58 wirespeed 58 Mediant 58 DiamondWave 58 GPIB interfaces 58 Swift# 58 TrueNet 58 Gigabit 58 Rx Tx 58 AN #e 58 GPON ONT 58 VoDSL 58 multihop 58 Label Switching 58 InfiniBand DDR 58 RGBHV 58 8G FC 58 IEEE #.#x [002] 58 RS-#/RS-# 58 gigabit Ethernet ports 58 Multiservice Access 58 node segmentation 58 protocol interworking 58 dense wavelength division multiplexing 58 Fiber Driver 58 LTE EPC 58 SFP + module 58 Gpbs 58 #BASE SX 58 GigaEdge 58 2kHz 58 USART 58 Interworking 58 1x RTT 58 XFP MSA 58 Serial RapidIO Gen2 58 1Gb Ethernet 58 Packet Optical Edge 58 #Base T Ethernet 58 gigabit ports 58 Ethernet LAN 58 Packet Optical Networking 58 echo canceller 58 Packet Processors 58 Kontron AM# 58 IPTube 58 Gigabit PON GPON 58 AdvancedMCs 58 Cabling Solution 58 M3UA 58 subsea fiber optic 58 polar modulation 58 Pseudowire 58 Stereo Audio 58 #GBASE T PHY 58 AdvancedMC modules 58 Femtocell Gateway 58 Power Amplifiers 58 Flashlink 58 wi4 Fixed 58 Division Multiplexing 58 #QAM 58 GPON Optical Line 58 packet switched 58 4Gbps 58 FibeAir IP MAX2 58 ITU G.# [001] 58 #GBASE CX4 58 voiceband 58 WinPath3 58 Dual Homing 58 XAUI interface 58 UltraBand 58 OCT# Series 58 #mb DIMM 58 AdvancedTCA blades 58 terminals ONTs 58 HD SDI input 58 DiSEqC 58 W-CDMA/HSDPA 58 FibeAir IP 58 #G #G [002] 58 AMN# [002] 58 iAN 58 NEBS compliant 58 IP MPLS backbone 58 Gbit s optical 58 PoE switches 58 Gigabit Ethernet Passive Optical 58 TMDS 58 #QAM modulation 58 Vmux 58 PCI Express x8 58 Gigabit uplink 58 iSCSI offload 58 converged IP MPLS 58 IEEE#.#b 58 gigabit fiber 58 #.#n Router 58 gigabit Ethernet port 58 Gigabit Fibre Channel 58 Packet Optical 58 Gigabit Optical 58 Demodulator 58 #BASE X 58 Demux 58 Rack Mounted 58 Gbaud 58 dispersion tolerance 58 singlemode fiber 58 PCIe interface 58 Switched Ethernet 58 #.#Gbps [003] 58 GSM Quadband 58 baud rate 58 SpectralWave 58 multimode fiber 58 OFDM modulation 58 QDR InfiniBand 58 IronPoint Mobility 58 COFDM 58 gigabit serial 58 #G OTN [002] 58 #Gb s Fibre Channel 58 Distribution Amplifier 58 EPON GPON 58 LAN Ethernet 58 1G #.#G 58 SDI HD SDI 58 RS# serial interface 58 IEEE #.#ah 58 repeatered 58 GSM UMTS CDMA 58 V.# V.# 58 RFX# 57 ASN gateway 57 redundant MIL STD 57 OTU 57 DWDM optical transport 57 BroadGate 57 ISDN PRI 57 Broadband Routers 57 ADSL/ADSL2 + 57 Alcatel Evolium 57 EtherMap 57 FibeAir #P 57 1Gbit s 57 ZL# device 57 gbps 57 ADSL2 + VDSL 57 Ciena CN 57 QLogic Fibre Channel 57 SIP Session Initiated Protocol 57 FXO port 57 synchronous optical 57 Service Access Nodes 57 LightSoft 57 FXO FXS 57 Industry Smallest 57 UTP cabling 57 Spread Spectrum 57 Sigtran 57 #GbE PHY 57 Ethernet TCP IP 57 gigabit LAN 57 RS-#/#/# serial 57 IP Multicast 57 TX RX 57 dual gigabit Ethernet 57 Ethernet Gigabit Ethernet 57 ITU G.# GPON 57 NexTone IntelliConnect System 57 PCIe x4 57 #BaseT [003] 57 #Gb s Ethernet [002] 57 Celerra NSX 57 SGMII 57 Fibre Channel FICON 57 ADVA Fiber Service 57 synchronous serial 57 interprocessor 57 BlackDiamond # 57 channel bandwidths 57 4Mbit 57 wi4 Mesh 57 Gigabit interfaces 57 xPON 57 iDirect Evolution platform 57 #GE [002] 57 Mindspeed M# 57 PONs 57 backhauls 57 Wave Division Multiplexing 57 drop multiplexer ROADM 57 #.#GT s 57 Cavium Octeon 57 IEEE #.#.# compliant 57 Megaco 57 FSP #RE 57 IP Multiprotocol Label 57 DWDM 57 Fibre Channel ports 57 H.# SIP 57 T1 circuits 57 Hi FOCuS 57 Freescale MSC# 57 GigaMux 57 quadrature amplitude modulation QAM 57 IPTV headend 57 6Gbps SAS 57 Mbits sec 57 T1/PRI 57 Hi FOCuS TM 57 #.#/#G 57 CMTSs 57 3G SDI 57 PCI Express PHY 57 Midspan 57 transceiver module 57 expander switches 57 #Mbps [003] 57 iNFINITI 57 #Mbps throughput [002] 57 NexTone SBC 57 LightPulse HBAs 57 USB #.#/#.# 57 SFP + optical 57 #G DQPSK 57 SM# AH 57 OC# [002] 57 jitter attenuation 57 Infinera DTN 57 HD SDI SMPTE #M 57 LightGAIN 57 mesh nodes 57 Mobile WIMAX 57 XRN 57 DWDM transport 57 Switch Router 57 WiMAX modems 57 TPSDA 57 encryptors 57 servo controller 57 CoreDirector 57 serial transceivers 57 ENA# 57 Allied Telesyn iMAP 57 BPSK 57 P NAPs 57 Enterasys Matrix 57 multiservice aggregation 57 MLXe 57 modulation formats 57 #GBase CX4 57 Form Factor Pluggable 57 #.#.# ZigBee 57 Tsunami MP.# 57 AT AR#S 57 seamless interworking 57 IEEE #v# 57 asynchronous transfer 57 NetLink 57 VoCable 57 Ubigate 57 DDR2 memory interface 57 pluggable modules 57 Mach Zehnder modulators 57 #/#G [003] 57 COMX 57 #Gbps wavelengths 57 optical spectrum analyzers 57 GbE connectivity 57 Gbit LAN 57 IEEE #.#b 57 GPRS GSM 57 #.#ah 57 DWDM Dense Wavelength Division 57 Mbits s 57 transceiver chipset 57 GbE ports 57 #.#Gbps [002] 57 #APSK 57 multiservice optical 57 Serving GPRS 57 GBit 57 WLAN routers 57 FXS ports 57 Belden #A 57 #/#/# LAN 57 Selects Infinera 57 CopperTen 57 Vitesse FlexEQ 57 Wi-Fi/WiMAX 57 Digi TransPort 57 PtP 57 Fujitsu FLASHWAVE 57 dBi antenna 57 division duplex TDD 57 #Gbps optical [002] 57 Tunable XFP 57 #Mbps Powerline 57 kbit 57 #Gb s InfiniBand adapters 57 Motorola SURFboard 57 MHz TDD 57 wideband RF 57 SONET ATM 57 #.#ae 57 CS# EDC 57 Gbit Ethernet ports 57 #G/#G/#G 57 NetIron XMR 57 SMC#L# 57 FTB #B 57 6MHz 57 FastIron Edge X 57 IMS SIP 57 Multiple Output MIMO 57 4Gbps FC 57 mesh node 57 #G coherent [002] 57 multiservice provisioning platforms 57 CDMA femtocell 57 E pHEMT 57 nm CMOS process 57 multipoint connectivity 57 SmartVoice 57 Calix E5 57 8Gbit s FC 57 Optical Multiservice Edge OME 57 statistically multiplexed 57 transmitters receivers 57 Cellular Router 57 TCP UDP 57 GbE iSCSI 57 HN# [001] 57 HSDPA EDGE 57 UTP cables 57 FlexPort 57 RocketIO TM 57 GaAs PHEMT 57 Gbps transceiver 57 hiT 57 Calix E7 ESAP 57 Pluggable 57 PC/# module 57 Gigabit throughput 57 Industrial Ethernet Switches 57 #G transceivers 57 demodulate 57 crosspoint 57 Selects Ciena 57 IPv#/v# 57 PDH SDH 57 eHRPD 57 HomePlug powerline 57 Ciena ActivFlex 57 Atheros AR#