network switch
SG350X-8PMD-K9
Cisco
The SG350X-8PMD-K9 is a network switch manufactured by Cisco. Listed by the manufacturer as "8-Port 2.5G PoE Stackable Managed Switch", it is available through Circular...
Circular Telecom Parts Catalogue
Browse telecom parts across every major vendor.
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
network switch
SFP+ optical transceiver
SG350XG-24F-K9-EU
Cisco
Manufactured by Cisco, the SG350XG-24F-K9-EU (24 x 10 Gigabit Ethernet SFP+, 2 x 10 Gigabit Ethernet SFP+/10GB) is a SFP+ optical transceiver. Circular Telecom sources,...
SFP+ optical transceiver
SG350XG-24T-K9
Cisco
Looking for the Cisco SG350XG-24T-K9? This SFP+ optical transceiver, described by the manufacturer as "SG350XG-24T-K9 CISCO SMB 22PT 10Gbase-T,2PT COMBO 10G SFP+", is...
network switch
SG350XG-2F10-K9
Cisco
Manufactured by Cisco, the SG350XG-2F10-K9 (SG350XG-2F10 12p 10GBase-T Stack Switch) is a network switch. Circular Telecom sources, tests, and resells surplus and...
network switch
SG350XG-48T-K9
Cisco
Manufactured by Cisco, the SG350XG-48T-K9 (48-Port 10GBase-T Stackable Managed Switch) is a network switch. Circular Telecom sources, tests, and resells surplus and...
network switch
SG500-28MPP-K9
Cisco
The Cisco SG500-28MPP-K9 is a network switch — originally specified as "28-PORT GIGABIT ETHERNET POE+STACKABLE MANAGED SWITCH" — available refurbished or as surplus...
network/telecom equipment component
SG500-28P-K9
Cisco
The SG500-28P-K9 is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "SG500-28P-K9", it is available through Circular...
SFP optical transceiver module
SG500-28P-K9-G5
Cisco
The SG500-28P-K9-G5 is a SFP optical transceiver module manufactured by Cisco. Listed by the manufacturer as "SG500-28P-K9-G5 SMB 500S 24x 10/1001000+2xsfp", it is...
network switch
SG500-52MP-K9
Cisco
Looking for the Cisco SG500-52MP-K9? This network switch, described by the manufacturer as "52-PORT GIGABIT MAX POE+ STACKABLE MANAGED SWITCH", is stocked and resold...
SFP optical transceiver module
SG500-52P-K9
Cisco
The SG500-52P-K9 is a SFP optical transceiver module manufactured by Cisco. Listed by the manufacturer as "48 10/100/1000 PoE+ ports with 375W power budget 4 Gigabit...
network/telecom equipment component
SG500-52P-K9-G5
Cisco
Cisco SG500-52P-K9-G5: a network/telecom equipment component (SG500-52P 52 PORTS MANAGEABLE). Circular Telecom resells surplus and refurbished units of parts like this,...
network switch
SG500X-24-K9
Cisco
Manufactured by Cisco, the SG500X-24-K9 (24P Gig w 4Port 10-GB Stackable ManagedSwitch) is a network switch. Circular Telecom sources, tests, and resells surplus and...
network/telecom equipment component
SG500X-24P-K9-G5
Cisco
Manufactured by Cisco, the SG500X-24P-K9-G5 (Cisco SG500X-24P-K9-G5 Small Business 500 Series Stackable Managed Swi) is a network/telecom equipment component. Circular...
network switch
SG500X-48-K9
Cisco
Manufactured by Cisco, the SG500X-48-K9 (48-Port GB with 4-Port 10-GB Stackable Managed Switch) is a network switch. Circular Telecom sources, tests, and resells...
network/telecom equipment component
SG500X-48P-K9
Cisco
Looking for the Cisco SG500X-48P-K9? This network/telecom equipment component, described by the manufacturer as "Cisco 48-Port Gig w 4Pt 10-Gig Stackable Manged", is...
network switch
SG500XG-8F8T-K9-G5
Cisco
Manufactured by Cisco, the SG500XG-8F8T-K9-G5 (16-port 10 Gig Managed Switch) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished...
network/telecom equipment component
SG510-10-PR
Cisco
Cisco SG510-10-PR: a network/telecom equipment component (Bluecoat ProxySG 510 - Security Appliance 1U Rackmount). Circular Telecom resells surplus and refurbished...
BC
network/telecom equipment component
SG510-A
Blue Coat
Blue Coat SG510-A: a network/telecom equipment component (SECURITY APPLIANCE). Circular Telecom resells surplus and refurbished units of parts like this, helping...
SFP+ optical transceiver
SG550X-24-K9
Cisco
The SG550X-24-K9 is a SFP+ optical transceiver manufactured by Cisco. Listed by the manufacturer as "24-Port Gigabit Stackable Managed Switch, 24x RJ-45 10/100/1000, 2x...
SFP+ optical transceiver
SG550X-24F-K9
Cisco
The Cisco SG550X-24F-K9 is a SFP+ optical transceiver — originally specified as "24-Port 10G SFP+ Stackable Managed Switch" — available refurbished or as surplus stock...
network/telecom equipment component
SG550X-24P-K9
Cisco
Manufactured by Cisco, the SG550X-24P-K9 (Cisco SG550X-24P 24-port Gigabit PoE) is a network/telecom equipment component. Circular Telecom sources, tests, and resells...
network switch
SG550X-48-K9
Cisco
The Cisco SG550X-48-K9 is a network switch — originally specified as "Cisco 550X Series SG550X-48 - Switch - L3 - managed" — available refurbished or as surplus stock...
network switch
SG550X-48-K9-EU
Cisco
The SG550X-48-K9-EU is a network switch manufactured by Cisco. Listed by the manufacturer as "Cisco SG550X-48P 48-port Gigabit PoE Stackable Switch", it is available...
network switch
SG550X-48P-K9
Cisco
Looking for the Cisco SG550X-48P-K9? This network switch, described by the manufacturer as "Cisco SG550X-48P 48-port Gigabit PoE Stackable Switch", is stocked and...
SFP+ optical transceiver
SG550XG-24F-K9
Cisco
Manufactured by Cisco, the SG550XG-24F-K9 (24-Port 10G SFP+ Stackable Managed Switch) is a SFP+ optical transceiver. Circular Telecom sources, tests, and resells...
SFP+ optical transceiver
SG550XG-24F-K9-EU
Cisco
The Cisco SG550XG-24F-K9-EU is a SFP+ optical transceiver — originally specified as "Cisco SG550XG-24F 24-Port 10G SFP+ Stackable Manag" — available refurbished or as...
SFP+ optical transceiver
SG550XG-48T-K9
Cisco
The Cisco SG550XG-48T-K9 is a SFP+ optical transceiver — originally specified as "Cisco 350XG-48T RJ-45 48-Ports 10GBase-T + 2 x Combo 10 Gigabit SFP+ Layer 3...
network switch
SG550XG-8F8T-K9
Cisco
Looking for the Cisco SG550XG-8F8T-K9? This network switch, described by the manufacturer as "Cisco SG550XG-8F8T 16-Port 10G Stackable Managed Switch", is stocked and...
SMA
memory module
SG57212825AUHUMHF2
Smartmod
Smartmod SG57212825AUHUMHF2: a memory module (4GB Smart RAM Module). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
SMA
memory module
SG57212825AUHUMMK2
Smartmod
The Smartmod SG57212825AUHUMMK2 is a memory module — originally specified as "4GB Ram" — available refurbished or as surplus stock via Circular Telecom, supporting...
SE
memory module
SG5722885D8DRCHMF8
Smart Elec
Looking for the Smart Elec SG5722885D8DRCHMF8? This memory module, described by the manufacturer as "1GB MEM DRAM", is stocked and resold through Circular Telecom's...
SE
memory module
SG572288CIE535VAMH
Smart Elec
Manufactured by Smart Elec, the SG572288CIE535VAMH (SMART 1RX8 EP2-5300D-555-13-BP 1GB MEMORY RAM) is a memory module. Circular Telecom sources, tests, and resells...
EMC
power supply unit
SG6004
Emcoration
Manufactured by Emcoration, the SG6004 (Standby Power Supply) is a power supply unit. Circular Telecom sources, tests, and resells surplus and refurbished Emcoration...
ATT
network firewall appliance
SG8200
Att
The SG8200 is a network firewall appliance manufactured by Att. Listed by the manufacturer as "NETGATE 8200 UTM FIREWALL", it is available through Circular Telecom's...
BC
network/telecom equipment component
SG900-20-PR
Blue Coat
The SG900-20-PR is a network/telecom equipment component manufactured by Blue Coat. Listed by the manufacturer as "Blue Coat SG900-20, Proxy Edition", it is available...
BC
network/telecom equipment component
SG900-45-PR
Blue Coat
Looking for the Blue Coat SG900-45-PR? This network/telecom equipment component, described by the manufacturer as "SG900 Proxy Series Security Appliance", is stocked...
BC
network/telecom equipment component
SG9000-20B-PR
Blue Coat
The Blue Coat SG9000-20B-PR is a network/telecom equipment component — originally specified as "Blue Coat SG9000-20, Proxy Edition" — available refurbished or as...
network switch
SG95-24-SG
Cisco
The Cisco SG95-24-SG is a network switch — originally specified as "SG95-24 COMPACT 24-PORT GIGABIT SWITCH" — available refurbished or as surplus stock via Circular...
UNK
network/telecom equipment component
SG9STL2B4GD02
UNKNOWN
SG9STL2B4GD02: a network/telecom equipment component (4GB). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
IBM
solid-state drive
SG9XCA2G2
IBM
IBM SG9XCA2G2: a solid-state drive (SMART STORAGE SYSTEMS SSD 177GB). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
network switch
SGE2000P
Cisco
Cisco SGE2000P: a network switch (24-port 10/ 100/ 1000 Gigabit Switch with PoE). Circular Telecom resells surplus and refurbished units of parts like this, helping...
SFP optical transceiver module
SGE2010-G5
Cisco
Manufactured by Cisco, the SGE2010-G5 (Switch L3 48 x10 100 GB 4x SFP Stack) is a SFP optical transceiver module. Circular Telecom sources, tests, and resells surplus...
network switch
SGE2010P
Cisco
Looking for the Cisco SGE2010P? This network switch, described by the manufacturer as "48 PORT PoE GIGABIT SWITCH", is stocked and resold through Circular Telecom's...
TRA
signal/power converter
SGFEB1013-100
Transition
Looking for the Transition SGFEB1013-100? This signal/power converter, described by the manufacturer as "BRIDGING MEDIA CONVERTER", is stocked and resold through...
TRA
signal/power converter
SGFEB1013-120
Transition
Manufactured by Transition, the SGFEB1013-120 (10/100/1000BASE-T TO 1000BASE-SX ETHERNET STAND-ALONE MEDIA CONVERTER) is a signal/power converter. Circular Telecom...
MOT
network/telecom equipment component
SGLA4000B
Motorola
Looking for the Motorola SGLA4000B? This network/telecom equipment component, described by the manufacturer as "HI STABILITY OSC", is stocked and resold through...
MOT
network/telecom equipment component
SGLF4133NB
Motorola
The SGLF4133NB is a network/telecom equipment component manufactured by Motorola. Listed by the manufacturer as "BBX3G1X 800MHZ", it is available through Circular...
MOT
network/telecom equipment component
SGLF4133PB
Motorola
Manufactured by Motorola, the SGLF4133PB (PWA XCVR 3G 800MHZ) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...