CircularTelecomParts Catalogue
Circular Telecom Parts Catalogue
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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Sandstone
The Sandstone SFPQSFP28100G-80km is a SFP optical transceiver module — originally specified as "SFP 100G-80km" — available refurbished or as surplus stock via Circular...
Opticonn
Manufactured by Opticonn, the SFPS-ELX-3149D (1.25G,SM,DDM,1310nm,20Km) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus...
Hfr Inc
Looking for the Hfr Inc SFPTRANCIEVER? This network/telecom equipment component, described by the manufacturer as "CLASS 1 LASER / 10GBPS/25DB / TRANSCIEVER", is...
Oplink
The SFPTRANSCIEVER is a network/telecom equipment component manufactured by Oplink. Listed by the manufacturer as "CLASS 1 LASER TRANSCIEVER / 10GBPS / 25DB", it is...
Shoretel
Manufactured by Shoretel, the SG-12 (ShoreGear-60/12 Voice Switch) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished Shoretel...
Shoretel
Shoretel SG-220T1: a network switch (220T1 VOICE SWITCH). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
Netgate
The Netgate SG-2440 is a network/telecom equipment component — originally specified as "pfSense Security Gateway Appliance" — available refurbished or as surplus stock...
Netgate
Netgate SG-4860-1U: a network/telecom equipment component (NETWORK SECURITY APPLIANCE). Circular Telecom resells surplus and refurbished units of parts like this,...
Shoretel
Looking for the Shoretel SG-90? This network switch, described by the manufacturer as "VOICE SWITCH", is stocked and resold through Circular Telecom's refurbished and...
Blue Coat
The SG-S200-20-M5 is a network/telecom equipment component manufactured by Blue Coat. Listed by the manufacturer as "NETWORK SECURITY GATEWAY", it is available through...
network/telecom equipment component
Cisco
The SG-S200-20-PR is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "-", it is available through Circular Telecom's surplus...
network/telecom equipment component
Cisco
The SG-S400-20-PR is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "-", it is available through Circular Telecom's surplus...
network/telecom equipment component
Cisco
The SG-S400-30-PR is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "-", it is available through Circular Telecom's surplus...
network switch
Cisco
Manufactured by Cisco, the SG100-16 (16-PORT GIGABIT SWITCH) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished Cisco equipment...
Ablegrid
The SG100D-08P is a network/telecom equipment component manufactured by Ablegrid. Listed by the manufacturer as "4 Pin 48V AC/DC Adapter For Cisco Business SG100D-08P...
Ablegrid
The Ablegrid SG100D-08PV01 is a network/telecom equipment component — originally specified as "4 Pin 48V AC/DC Adapter For Cisco Business SG100D-08P V01 SG100D-08P-NA...
SFP optical transceiver module
Cisco
The SG102-24-EU is a SFP optical transceiver module manufactured by Cisco. Listed by the manufacturer as "24-Ports RJ-45 1Gbps 10/100/1000Base-T Gigabit Ethernet 1U...
network switch
Cisco
Looking for the Cisco SG110-16? This network switch, described by the manufacturer as "16-PORT POE GIGABIT SWITCH", is stocked and resold through Circular Telecom's...
network switch
Cisco
Manufactured by Cisco, the SG110-16-NA (16-PORT POE GIGABIT SWITCH) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished Cisco...
network switch
Cisco
Looking for the Cisco SG110-16HP-NA? This network switch, described by the manufacturer as "CISCO 16-Port PoE Gigabit Switch", is stocked and resold through Circular...
network switch
Cisco
The SG110-24 is a network switch manufactured by Cisco. Listed by the manufacturer as "24-PORT GIGABIT SWITCH", it is available through Circular Telecom's surplus and...
network switch
Cisco
Looking for the Cisco SG110-24HP-NA? This network switch, described by the manufacturer as "SG110-24HP 24-PORT POE GIGABIT SWITCH", is stocked and resold through...
Metaswitch
Metaswitch SG1100: a network/telecom equipment component (VP3500/3000 PSTN SIG). Circular Telecom resells surplus and refurbished units of parts like this, helping...
network switch
Cisco
The Cisco SG110D-05 is a network switch — originally specified as "5-PORT GIGABIT DESKTOP SWITCH" — available refurbished or as surplus stock via Circular Telecom,...
network switch
Cisco
Looking for the Cisco SG110D-08HP-NA? This network switch, described by the manufacturer as "Cisco SG110D-08HP Ethernet Switch - 8 Ports - 10/100/1000Base-T - 2 Layer...
GBIC transceiver
Cisco
Cisco SG112-24: a GBIC transceiver (24 x Gigabit Ethernet RJ-45, 2 x Combo Mini-GBIC Slots). Circular Telecom resells surplus and refurbished units of parts like this,...
CommScope
The CommScope SG12-12B2U is a cable assembly — originally specified as "GROUND KIT FOR 1/2IN CABLE" — available refurbished or as surplus stock via Circular Telecom,...
Metaswitch
Looking for the Metaswitch SG1200? This network/telecom equipment component, described by the manufacturer as "PSTN SIG ADPTR", is stocked and resold through Circular...
CommScope
The SG158-12BU2U is a network/telecom equipment component manufactured by CommScope. Listed by the manufacturer as "SURGE GROUNDING KIT FOR 1 5/8 INCH COAX", it is...
network switch
Cisco
The SG200-26 is a network switch manufactured by Cisco. Listed by the manufacturer as "26-port Gigabit Smart Switch", it is available through Circular Telecom's surplus...
network switch
Cisco
The Cisco SG200-26FP is a network switch — originally specified as "26-port Gigabit Smart Switch, PoE, 180W" — available refurbished or as surplus stock via Circular...
network switch
Cisco
Cisco SG220-26-K9: a network switch (SG220-26 26-Port Gigabit Smart Switch). Circular Telecom resells surplus and refurbished units of parts like this, helping...
network switch
Cisco
Manufactured by Cisco, the SG220-26P-K9 (Cisco SG220-26P 26-Port Gigabit PoE Smart Plus Switch) is a network switch. Circular Telecom sources, tests, and resells...
Sophos
The Sophos SG230 is a network firewall appliance — originally specified as "FIREWALL SECURITY APPLIANCE" — available refurbished or as surplus stock via Circular...
network/telecom equipment component
Cisco
Cisco SG250-08-K9-EU: a network/telecom equipment component (Cisco SG250-08 Managed L2/L3 Gigabit Ethernet (10/100/1000) Black). Circular Telecom resells surplus and...
network switch
Cisco
The Cisco SG250-08-K9-UK is a network switch — originally specified as "CISCO SG250-08 8-PORT GIGABIT SMART SWITCH" — available refurbished or as surplus stock via...
network/telecom equipment component
Cisco
The Cisco SG250-08HP-K9 is a network/telecom equipment component — originally specified as "Cisco SG250-08HP Managed L2/L3 Gigabit Ethernet (10/100/1000) Power over...
network switch
Cisco
Cisco SG250-10P-K9: a network switch (Cisco SG250-10P 10-port Gigabit PoE Switch). Circular Telecom resells surplus and refurbished units of parts like this, helping...
network switch
Cisco
Looking for the Cisco SG250-18-K9? This network switch, described by the manufacturer as "Cisco SG250-18-K9 switch", is stocked and resold through Circular Telecom's...
network switch
Cisco
The Cisco SG250-26-K9-EU is a network switch — originally specified as "Cisco SG250-26-K9-EU 26 port Gigabit PoE Switch" — available refurbished or as surplus stock via...
network switch
Cisco
Manufactured by Cisco, the SG250-26HP-K9-EU (SG250-26HP 26-Port Gigabit PoE+ 100W Smart Switch 24 x 10/100/100)) is a network switch. Circular Telecom sources, tests,...
network switch
Cisco
Cisco SG250-26P-K9-EU: a network switch (CISCO SG250-26P 26-PORT GIGABIT POE SWITCH). Circular Telecom resells surplus and refurbished units of parts like this, helping...
network switch
Cisco
Manufactured by Cisco, the SG300-10 (10-PORT GIGABIT MANAGED SWITCH) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished Cisco...
network switch
Cisco
Manufactured by Cisco, the SG300-10MP-EU (Cisco SG 300-10MP 10-port Gigabit Max-PoE Managed Switch) is a network switch. Circular Telecom sources, tests, and resells...
network switch
Cisco
The SG300-10MPP-K9 is a network switch manufactured by Cisco. Listed by the manufacturer as "SG300-10MPP 10port Gigabit Max PoE+Managed Switch", it is available through...
GBIC transceiver
Cisco
Cisco SG300-10MPP-K9-EU: a GBIC transceiver (Managed, 8 x 10/100/1000 RJ-45 PoE+, 2 x Combo mini-GBIC). Circular Telecom resells surplus and refurbished units of parts...
network switch
Cisco
Manufactured by Cisco, the SG300-10MPP-K9-NA (SG300-10MPP 10port Gigabit Max PoE+Managed Switch) is a network switch. Circular Telecom sources, tests, and resells...
network switch
Cisco
The SG300-10MPP-K9-UK is a network switch manufactured by Cisco. Listed by the manufacturer as "SG300-10MPP 10port Gigabit Max PoE+Managed Switch", it is available...