network switch
N4K-4001I-XPX
Cisco
Manufactured by Cisco, the N4K-4001I-XPX (Cisco Nexus 20 Port 10Gbps 4001i Switch Module (10+ Available)) is a network switch. Circular Telecom sources, tests, and...
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.
Browse and Enquire
Find telecom part numbers, OEMs, and equipment categories.
Browse Page 1262
Telecom parts catalogue
network switch
CCI
equipment chassis
N5
C Cor Inc
C Cor Inc N5: an equipment chassis (CHASSIS). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment...
IPA
network router
N5-256MB-F128-X-5-X-X
Ipanematec
The Ipanematec N5-256MB-F128-X-5-X-X is a network router — originally specified as "Router" — available refurbished or as surplus stock via Circular Telecom, supporting...
HP
memory module
N50075-001
HP
The HP N50075-001 is a memory module — originally specified as "32GB DDR5-5600MHz SODIMM RAM" — available refurbished or as surplus stock via Circular Telecom,...
GC
network/telecom equipment component
N510
Giga Comms
Looking for the Giga Comms N510? This network/telecom equipment component, described by the manufacturer as "DECT IP base station with up to 6 VoIP accounts", is...
KEY
network/telecom equipment component
N5172B
Keysight
Looking for the Keysight N5172B? This network/telecom equipment component, described by the manufacturer as "VECTOR SIGNAL GENERATOR", is stocked and resold through...
network/telecom equipment component
N520-1G-8
Cisco
The Cisco N520-1G-8 is a network/telecom equipment component — originally specified as "Cisco NCS 520 Series 8 Ports GE Upgrade License" — available refurbished or as...
network/telecom equipment component
N520-20G4Z-A
Cisco
Looking for the Cisco N520-20G4Z-A? This network/telecom equipment component, described by the manufacturer as "Cisco NCS 520 - 20xGE + 4x10GE, Commercial Temp.", is...
network/telecom equipment component
N520-4G4Z-A
Cisco
The N520-4G4Z-A is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "Cisco NCS 520 - 4xGE + 4x10GE, Commercial Temp. including...
network/telecom equipment component
N520-RCKMT-19-D2A
Cisco
Looking for the Cisco N520-RCKMT-19-D2A? This network/telecom equipment component, described by the manufacturer as "NCS 520 19" Rackmount for 8 Port, AC", is stocked...
network/telecom equipment component
N520-RCKMT-19-D3A
Cisco
The Cisco N520-RCKMT-19-D3A is a network/telecom equipment component — originally specified as "NCS 520 19" Rackmount for 24 Port, AC" — available refurbished or as...
network/telecom equipment component
N520-S-I
Cisco
Manufactured by Cisco, the N520-S-I (NCS 520 SERIES ip address liscense) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus...
network/telecom equipment component
N520-S-M
Cisco
Manufactured by Cisco, the N520-S-M (Cisco NCS 520 Series Metro Access License) is a network/telecom equipment component. Circular Telecom sources, tests, and resells...
network/telecom equipment component
N520-X-20G4Z-A
Cisco
Looking for the Cisco N520-X-20G4Z-A? This network/telecom equipment component, described by the manufacturer as "Cisco NCS 520 - 20xGE + 4x10GE, Industrial Temp.", is...
network/telecom equipment component
N520-X-4G4Z-A
Cisco
Manufactured by Cisco, the N520-X-4G4Z-A (Cisco NCS 520 - 4xGE + 4x10GE, Industrial Temp, AC power) is a network/telecom equipment component. Circular Telecom sources,...
network/telecom equipment component
N520-X-4G4Z-D
Cisco
Looking for the Cisco N520-X-4G4Z-D? This network/telecom equipment component, described by the manufacturer as "Cisco NCS 520 4xGE 4x10GE Industrial Temp DC power", is...
network/telecom equipment component
N540-12Z20G-SYS-A
Cisco
Cisco N540-12Z20G-SYS-A: a network/telecom equipment component (NCS540 20X1G+12X10G AC). Circular Telecom resells surplus and refurbished units of parts like this,...
network/telecom equipment component
N540-12Z20G-SYS-D
Cisco
The N540-12Z20G-SYS-D is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "NETWORK CONVERGENCE SYSTEM", it is available...
QSFP optical transceiver module
N540-24Q8L2DD-SYS
Cisco
Looking for the Cisco N540-24Q8L2DD-SYS? This QSFP optical transceiver module, described by the manufacturer as "NCS540-2x400G QSFP-DD+8x50G+24x25G", is stocked and...
network router
N540-24Z8Q2C-M
Cisco
Looking for the Cisco N540-24Z8Q2C-M? This network router, described by the manufacturer as "Cisco NCS 540 Series Fixed Router 24x10G. 8x25G. 2x100G", is stocked and...
network router
N540-24Z8Q2C-SYS
Cisco
The Cisco N540-24Z8Q2C-SYS is a network router — originally specified as "Cisco N540-24Z8Q2C-SYS router dual DC" — available refurbished or as surplus stock via...
network/telecom equipment component
N540-28Z4C-SYS
Cisco
Cisco N540-28Z4C-SYS: a network/telecom equipment component (NCS 540 28x10G + 4x100G). Circular Telecom resells surplus and refurbished units of parts like this,...
network/telecom equipment component
N540-28Z4C-SYS-A
Cisco
The Cisco N540-28Z4C-SYS-A is a network/telecom equipment component — originally specified as "Cisco NCS 540 System with 28x10G+4x100G, AC" — available refurbished or...
network/telecom equipment component
N540-28Z4C-SYS-D
Cisco
The N540-28Z4C-SYS-D is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "Cisco NCS 540 System with 28x10G+4x100G, DC", it is...
SFP+ optical transceiver
N540-6Z18G-SYS-A
Cisco
Looking for the Cisco N540-6Z18G-SYS-A? This SFP+ optical transceiver, described by the manufacturer as "NCS540 18x1G SFP + 6x1/10G SFP+ AC", is stocked and resold...
network/telecom equipment component
N540-6Z18G-TRK
Cisco
Looking for the Cisco N540-6Z18G-TRK? This network/telecom equipment component, described by the manufacturer as "NCS 540 Finches Base HW tracking", is stocked and...
QSFP optical transceiver module
N540-ACC-SYS
Cisco
The N540-ACC-SYS is a QSFP optical transceiver module manufactured by Cisco. Listed by the manufacturer as "NCS540 24x1/10G SFP+, 8x1/10/25G SFP+/SFP28, 2x100G QSFP28",...
cooling fan module
N540-FAN
Cisco
The N540-FAN is a cooling fan module manufactured by Cisco. Listed by the manufacturer as "Fan Tray", it is available through Circular Telecom's surplus and refurbished...
power supply unit
N540-PWR400-A
Cisco
The N540-PWR400-A is a power supply unit manufactured by Cisco. Listed by the manufacturer as "NCS 540 400W AC POWER SUPPLY", it is available through Circular Telecom's...
power supply unit
N540-PWR400-D
Cisco
Looking for the Cisco N540-PWR400-D? This power supply unit, described by the manufacturer as "NCS 540 400W DC PSU.", is stocked and resold through Circular Telecom's...
network/telecom equipment component
N540-RCKMT-19
Cisco
Cisco N540-RCKMT-19: a network/telecom equipment component (19" RACK MOUNTS FOR NCS540-24Z8Q2C). Circular Telecom resells surplus and refurbished units of parts like...
network/telecom equipment component
N540-RCKMT-23
Cisco
Cisco N540-RCKMT-23: a network/telecom equipment component (23" Rack mount for Cisco Systems NCS 540). Circular Telecom resells surplus and refurbished units of parts...
cooling fan module
N540-X-FAN
Cisco
Looking for the Cisco N540-X-FAN? This cooling fan module, described by the manufacturer as "COOLING FAN", is stocked and resold through Circular Telecom's refurbished...
network router
N540X-12Z16G-SYS-A
Cisco
Cisco N540X-12Z16G-SYS-A: a network router (MEDIUM DENSITY ROUTER DUAL AC). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
SFP optical transceiver module
N540X-12Z16G-SYS-D
Cisco
The Cisco N540X-12Z16G-SYS-D is a SFP optical transceiver module — originally specified as "NCS540 12x1G SFP + 4x1G Cu + 12x10G DC" — available refurbished or as...
QSFP optical transceiver module
N540X-16Z4G8Q2C-D
Cisco
Looking for the Cisco N540X-16Z4G8Q2C-D? This QSFP optical transceiver module, described by the manufacturer as "4x 1GE RJ45, 16x 1G/10G SFP+, 8x 1G/10G/25G SFP28, 2x...
network/telecom equipment component
N540X-16Z8Q2C-D
Cisco
Looking for the Cisco N540X-16Z8Q2C-D? This network/telecom equipment component, described by the manufacturer as "NCS540 16x10G+8x25G+2x100G DC.", is stocked and...
SFP+ optical transceiver
N540X-4Z14G2Q-A
Cisco
Cisco N540X-4Z14G2Q-A: a SFP+ optical transceiver (4 x 1G/10G SFP+ ports. 2 x 25G SFP28 PORT SMALL DENSITY ROUTER). Circular Telecom resells surplus and refurbished...
network router
N540X-4Z14G2Q-D
Cisco
The N540X-4Z14G2Q-D is a network router manufactured by Cisco. Listed by the manufacturer as "SMALL DENSITY ROUTER", it is available through Circular Telecom's surplus...
network/telecom equipment component
N540X-6Z18G-SYS-A
Cisco
The N540X-6Z18G-SYS-A is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "N540X-6Z18GSYSA-RF Cisco NCS 540X 6-port 1/10Gb (18...
QSFP optical transceiver module
N540X-ACC-SYS
Cisco
Manufactured by Cisco, the N540X-ACC-SYS (NCS540 CC 24x1/10G,8x1/10/25G SFP+/SFP28, 2x100G QSFP28.) is a QSFP optical transceiver module. Circular Telecom sources,...
network/telecom equipment component
N55-BAS1K9
Cisco
Cisco N55-BAS1K9: a network/telecom equipment component (CISCO LAYER 3 LICENSE FOR NEXUS 5500 PLATFORM). Circular Telecom resells surplus and refurbished units of parts...
circuit card / line card
N55-D160L3
Cisco
Manufactured by Cisco, the N55-D160L3 (Nexus 5548 Layer 3 Daughter Card) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and...
circuit card / line card
N55-D160L3-V2
Cisco
Looking for the Cisco N55-D160L3-V2? This circuit card / line card, described by the manufacturer as "Nexus 5548 Layer 3 Daughter Card, Version 2", is stocked and...
circuit card / line card
N55-DL2
Cisco
The N55-DL2 is a circuit card / line card manufactured by Cisco. Listed by the manufacturer as "Nexus 5548 Layer 2 Daughter Card", it is available through Circular...
network/telecom equipment component
N55-LAN1K9
Cisco
The Cisco N55-LAN1K9 is a network/telecom equipment component — originally specified as "Layer 3 License for Nexus 5500 Platform" — available refurbished or as surplus...
equipment module
N55-M-BLNK
Cisco
The Cisco N55-M-BLNK is an equipment module — originally specified as "Nexus 5500 Module Blank Cover" — available refurbished or as surplus stock via Circular Telecom,...
equipment module
N55-M12T
Cisco
Cisco N55-M12T: an equipment module (CISCO NEXUS 5500 MODULE 12 PORTS 10G BASET). Circular Telecom resells surplus and refurbished units of parts like this, helping...