FIN
optical transceiver
FCLF-8521-3-RB
Finisar
The Finisar FCLF-8521-3-RB is an optical transceiver — originally specified as "1000BASE-T TRANSCEIVER" — available refurbished or as surplus stock via Circular...
Circular Telecom Parts Catalogue
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Explore Circular Telecom's catalogue of refurbished, new, and surplus telecom network parts across optics, line cards, routers, switches, modules, power, cooling, and access equipment.
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Telecom parts catalogue
SAN
SFP optical transceiver module
FCLF-8521-3-ST
Sandstone
The FCLF-8521-3-ST is a SFP optical transceiver module manufactured by Sandstone. Listed by the manufacturer as "10/100/1000 Base-T Copper SFP 1.25Gbs RJ45 Connector...
FIN
SFP optical transceiver module
FCLF8520P2BTL-A9
Finisar
Looking for the Finisar FCLF8520P2BTL-A9? This SFP optical transceiver module, described by the manufacturer as "1000BASE-T RoHS Compliant Copper SFP Transceiver", is...
FIN
SFP optical transceiver module
FCLF8520P2BTL-AL
Finisar
Looking for the Finisar FCLF8520P2BTL-AL? This SFP optical transceiver module, described by the manufacturer as "100m Gen2 RJ-45 Copper SFP Optical Transceiver", is...
FIN
SFP optical transceiver module
FCLF8521P2BTL
Finisar
The FCLF8521P2BTL is a SFP optical transceiver module manufactured by Finisar. Listed by the manufacturer as "1 GbE 1000BASE-T Copper SFP Transceiver, 3.3V, -40°C to...
FIN
SFP optical transceiver module
FCLF8521P2BTL-FW
Finisar
The Finisar FCLF8521P2BTL-FW is a SFP optical transceiver module — originally specified as "FUJITSU COMPATIBLE 10/100/1000BASE-T SFP" — available refurbished or as...
FIN
SFP optical transceiver module
FCLF8522P2BTL
Finisar
Manufactured by Finisar, the FCLF8522P2BTL (SFP) is a SFP optical transceiver module. Circular Telecom sources, tests, and resells surplus and refurbished Finisar...
SAN
network/telecom equipment component
FCLG-C478-LCUI3
Sandstone
Manufactured by Sandstone, the FCLG-C478-LCUI3 (Combination Mux/DeMux LGX Filter, 8 channel CWDM 1471 Industrial Temperature, LC/UPC with 1310 port) is a...
SAN
network/telecom equipment component
FCLG-D2132-LCUI1-A
Sandstone
The Sandstone FCLG-D2132-LCUI1-A is a network/telecom equipment component — originally specified as "Combination Mux/DeMux LGX, 8 Port 32 Channel DWDM, 4 Grouped Mux...
SAN
network/telecom equipment component
FCLG-D218-LCUI1-A
Sandstone
Looking for the Sandstone FCLG-D218-LCUI1-A? This network/telecom equipment component, described by the manufacturer as "Combination Mux/DeMux LGX Filter. 8 channel...
SAN
network/telecom equipment component
FCLG-D318-LCUI1-A
Sandstone
The Sandstone FCLG-D318-LCUI1-A is a network/telecom equipment component — originally specified as "Combination Mux/DeMux LGX Filter. 8 channel DWDM MUX Ch31-34, DEMUX...
SAN
network/telecom equipment component
FCLG-D418-LCUI1-A
Sandstone
The FCLG-D418-LCUI1-A is a network/telecom equipment component manufactured by Sandstone. Listed by the manufacturer as "Combination Mux/DeMux LGX Filter. 8 channel...
SAN
network/telecom equipment component
FCLG-D518-LCUI1-A
Sandstone
Looking for the Sandstone FCLG-D518-LCUI1-A? This network/telecom equipment component, described by the manufacturer as "Combination Mux/DeMux LGX Filter. 8 channel...
HP
equipment chassis
FCLSE-0801
HP
The HP FCLSE-0801 is an equipment chassis — originally specified as "StorageWorks Rack Mount Enclosure Array Chassis" — available refurbished or as surplus stock via...
AT
network/telecom equipment component
FCM-170000
ADC Telecommunications
Manufactured by ADC Telecommunications, the FCM-170000 (FIBER CONECTION PNL) is a network/telecom equipment component. Circular Telecom sources, tests, and resells...
AT
equipment module
FCM-620000-A
ADC Telecommunications
Looking for the ADC Telecommunications FCM-620000-A? This equipment module, described by the manufacturer as "FIBER CONNECTOR MODULE", is stocked and resold through...
AT
memory module
FCM-67/0V004
ADC Telecommunications
The FCM-67/0V004 is a memory module manufactured by ADC Telecommunications. Listed by the manufacturer as "OPTICAL DISTRIBUTION FRAME", it is available through Circular...
AT
network/telecom equipment component
FCM-670000-A
ADC Telecommunications
The ADC Telecommunications FCM-670000-A is a network/telecom equipment component — originally specified as "FIBER DIST PNL 72 POS SC" — available refurbished or as...
AT
network/telecom equipment component
FCM-670000-A-M
ADC Telecommunications
Manufactured by ADC Telecommunications, the FCM-670000-A-M (7 INCH FIBER DISTRIBUTION SYSTEM) is a network/telecom equipment component. Circular Telecom sources, tests,...
AT
network/telecom equipment component
FCM-770000
ADC Telecommunications
Manufactured by ADC Telecommunications, the FCM-770000 (FBR CONNR MOD SC) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus...
FIN
GBIC transceiver
FCM-8520-3
Finisar
Manufactured by Finisar, the FCM-8520-3 (1000BASE-T Copper GBIC Transceiver FCM-8520-3 Avaya-compatible) is a GBIC transceiver. Circular Telecom sources, tests, and...
FIN
GBIC transceiver
FCM-8521-3
Finisar
Finisar FCM-8521-3: a GBIC transceiver (1000BASE-T GBIC). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
AT
equipment chassis
FCM-87/0K031-V
ADC Telecommunications
ADC Telecommunications FCM-87/0K031-V: an equipment chassis (FIBER CHASSIS). Circular Telecom resells surplus and refurbished units of parts like this, helping...
AT
equipment chassis
FCM-Z70000
ADC Telecommunications
ADC Telecommunications FCM-Z70000: an equipment chassis (FIBER TERMINATION CHASSIS). Circular Telecom resells surplus and refurbished units of parts like this, helping...
AT
network/telecom equipment component
FCM670000AM
ADC Telecommunications
The FCM670000AM is a network/telecom equipment component manufactured by ADC Telecommunications. It is available through Circular Telecom's surplus and refurbished...
FIN
SFP optical transceiver module
FCMJ-8520-3
Finisar
Finisar FCMJ-8520-3: a SFP optical transceiver module (SFP). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
FIN
GBIC transceiver
FCMJ-8521-3
Finisar
The FCMJ-8521-3 is a GBIC transceiver manufactured by Finisar. Listed by the manufacturer as "1000BASE-T TRANSCEIVER GBIC", it is available through Circular Telecom's...
FIN
SFP optical transceiver module
FCMJ-8521-3-BB
Finisar
Looking for the Finisar FCMJ-8521-3-BB? This SFP optical transceiver module, described by the manufacturer as "SFP", is stocked and resold through Circular Telecom's...
ECI
circuit card / line card
FCPU
Eci
Eci FCPU: a circuit card / line card (DTX-240 FCPU CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
SAN
network/telecom equipment component
FCS-125-ST
Sandstone
The FCS-125-ST is a network/telecom equipment component manufactured by Sandstone. Listed by the manufacturer as "Fiber cleaning swabs 1.25mm single ended (5 per...
SAN
network/telecom equipment component
FCS-250-ST
Sandstone
Looking for the Sandstone FCS-250-ST? This network/telecom equipment component, described by the manufacturer as "Fiber cleaning swabs 2.5mm single ended (5 per pack)",...
MAI
network/telecom equipment component
FCSC-9-Z20-YW-15M0
Mainfrmcms
Manufactured by Mainfrmcms, the FCSC-9-Z20-YW-15M0 (FC-SC/PC S/M DPX 2MM YELLOW 15M) is a network/telecom equipment component. Circular Telecom sources, tests, and...
FOU
network router
FCSLB16
Foundry
Manufactured by Foundry, the FCSLB16 (SERVERIRON XL ROUTER) is a network router. Circular Telecom sources, tests, and resells surplus and refurbished Foundry equipment...
FOU
network/telecom equipment component
FCSLB24
Foundry
Looking for the Foundry FCSLB24? This network/telecom equipment component, described by the manufacturer as "24-port 10/100Base-TX (RJ45) ServerIronXL with one...
ALC
network switch
FCSM
Alcatel
The Alcatel FCSM is a network switch — originally specified as "OMNISWITCH CARD - FRAME CELL SWITCHING MODULE" — available refurbished or as surplus stock via Circular...
JON
network/telecom equipment component
FCT-100
Jonard
Manufactured by Jonard, the FCT-100 (EXTRACTING TOOL) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished...
FOR
SFP+ optical transceiver
FCTRL-5103B
Fortinet
The Fortinet FCTRL-5103B is a SFP+ optical transceiver — originally specified as "Networking blade with 1 x GE RJ45 ports, 8 x 10GE SFP+ Fabric ports and 2 x SFP+" —...
ECI
cooling fan module
FCU
Ecitelecom
The Ecitelecom FCU is a cooling fan module — originally specified as "FAN CARD FOR XDM-100 SERIES" — available refurbished or as surplus stock via Circular Telecom,...
ECI
optical network terminal (ONT)
FCU-100
Ecitelecom
Manufactured by Ecitelecom, the FCU-100 (FAN CONTROL UNIT) is an optical network terminal (ONT). Circular Telecom sources, tests, and resells surplus and refurbished...
ECI
cooling fan module
FCU-30BH
Eci
The FCU-30BH is a cooling fan module manufactured by Eci. Listed by the manufacturer as "Fan Unit for BG-30B", it is available through Circular Telecom's surplus and...
FIB
equipment module
FCX-2072
Fiberdyne
Manufactured by Fiberdyne, the FCX-2072 (8+1CH CWDM MODULE) is an equipment module. Circular Telecom sources, tests, and resells surplus and refurbished Fiberdyne...
FIB
equipment module
FCX-2072A
Fiberdyne
The FCX-2072A is an equipment module manufactured by Fiberdyne. Listed by the manufacturer as "8+1CH CWDM MODULE", it is available through Circular Telecom's surplus...
FIB
network/telecom equipment component
FCX-2710
Fiberdyne
Manufactured by Fiberdyne, the FCX-2710 (1310+4CH CCWDM MOD) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
FIB
network/telecom equipment component
FCX-2805
Fiberdyne
Fiberdyne FCX-2805: a network/telecom equipment component (CWDM MUX/DEMUX DUAL FIBER 8CH W/ UPGRADE). Circular Telecom resells surplus and refurbished units of parts...
FIB
network/telecom equipment component
FCX-3055
Fiberdyne
The FCX-3055 is a network/telecom equipment component manufactured by Fiberdyne. Listed by the manufacturer as "CWDM MUX/DEMUX DUAL FIBER 8CH W/ 1310 MOD", it is...
ARC
network/telecom equipment component
FCX10G
Arcutronix
Manufactured by Arcutronix, the FCX10G (FLEXIBLE 8.5-11.3G MULTIPROTOCOL TRANSPONDER) is a network/telecom equipment component. Circular Telecom sources, tests, and...
BRO
network switch
FCX624S-F
Brocade
Looking for the Brocade FCX624S-F? This network switch, described by the manufacturer as "Brocade FCX624S-F Switch", is stocked and resold through Circular Telecom's...
BRO
network switch
FCX648S
Brocade
The Brocade FCX648S is a network switch — originally specified as "BROCADE FASTIRON FCX648S-HPOE-ADV 48-PORT GIGABIT POE SWITCH" — available refurbished or as surplus...