IT
circuit board
55002101
Inter Tel
Manufactured by Inter Tel, the 55002101 (WRAPPER DRIVER BOARD) is a circuit board. Circular Telecom sources, tests, and resells surplus and refurbished Inter Tel...
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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Find telecom part numbers, OEMs, and equipment categories.
Browse Page 461
Telecom parts catalogue
DEL
circuit board
5505600225
Delta
The Delta 5505600225 is a circuit board — originally specified as "POWER BOARD" — available refurbished or as surplus stock via Circular Telecom, supporting network...
DEL
cooling fan module
5505604285-S
Delta
Delta 5505604285-S: a cooling fan module (The Fan Power Board). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
BN
network/telecom equipment component
5505PS
Bay Net
Bay Net 5505PS: a network/telecom equipment component (TOKEN RING HOST). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
WES
network/telecom equipment component
550A
Westernele
Manufactured by Westernele, the 550A (UNIT CHANNEL SERVICE) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
TPI
network/telecom equipment component
550B
Tpi
The 550B is a network/telecom equipment component manufactured by Tpi. Listed by the manufacturer as "ISDN BASIC RATE TEST SET", it is available through Circular...
JDS
network/telecom equipment component
550B+
Jdsu
The Jdsu 550B+ is a network/telecom equipment component — originally specified as "ELTN BUS S/POTS INTFC ISDN TST SET" — available refurbished or as surplus stock via...
SAM
network/telecom equipment component
550S
Samsung
Manufactured by Samsung, the 550S (SYNCMASTER MONITOR) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished...
UNI
network/telecom equipment component
551-0032-R001
Universlaf
Universlaf 551-0032-R001: a network/telecom equipment component (FILTERS). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
SN
network/telecom equipment component
551-003863
Sonus Networks
Manufactured by Sonus Networks, the 551-003863 (USB Stick - PSX FA V08.04.01R000 (T5220 )) is a network/telecom equipment component. Circular Telecom sources, tests,...
IT
circuit card / line card
551.2730
Inter Tel
The 551.2730 is a circuit card / line card manufactured by Inter Tel. Listed by the manufacturer as "IPRC 16-Port IP Resource Card", it is available through Circular...
network switch
5520-24T-PWR
Nortel Networks
The 5520-24T-PWR is a network switch manufactured by Nortel Networks. Listed by the manufacturer as "BAYSTACK POE SWITCH", it is available through Circular Telecom's...
EXT
SFP+ optical transceiver
5520-24X
Extremenet
Extremenet 5520-24X: a SFP+ optical transceiver (24-PORT L3 POE SFP+ SWITCH). Circular Telecom resells surplus and refurbished units of parts like this, helping...
network switch
5520-48T-PWR
Nortel Networks
Looking for the Nortel Networks 5520-48T-PWR? This network switch, described by the manufacturer as "Ethernet Routing Switch 5520-48T-PWR with 48 10/100/1000 IEEE 80",...
EXT
network switch
5520-48W
Extremenet
Looking for the Extremenet 5520-48W? This network switch, described by the manufacturer as "48-PORT POE SWITCH", is stocked and resold through Circular Telecom's...
EXT
SFP+ optical transceiver
5520-VIM-4X
Extremenet
The 5520-VIM-4X is a SFP+ optical transceiver manufactured by Extremenet. Listed by the manufacturer as "10GBASE-X SFP+ SWITCH", it is available through Circular...
EXT
SFP optical transceiver module
5520-VIM-4YE
Extremenet
The Extremenet 5520-VIM-4YE is a SFP optical transceiver module — originally specified as "5520-VIM 4x25GE SFP28" — available refurbished or as surplus stock via...
TM
network/telecom equipment component
5520P/12-48-WYLE4
Texas Microwave
The 5520P/12-48-WYLE4 is a network/telecom equipment component manufactured by Texas Microwave. Listed by the manufacturer as "DRIVE CADDY", it is available through...
DEL
network/telecom equipment component
5524
Dell
Manufactured by Dell, the 5524 (DELL PowerConnect) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Dell...
MOT
circuit card / line card
552478-001-00
Motorola
Looking for the Motorola 552478-001-00? This circuit card / line card, described by the manufacturer as "CAP IO ADAP. CARD", is stocked and resold through Circular...
DEL
network/telecom equipment component
5524P
Dell
The Dell 5524P is a network/telecom equipment component — originally specified as "GIGABIT ETHERNET SW" — available refurbished or as surplus stock via Circular...
AL
network/telecom equipment component
552A
Alcatel-Lucent
Manufactured by Alcatel-Lucent, the 552A (UNIT POWER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished...
GP
network/telecom equipment component
552A2
Ge Power
Manufactured by Ge Power, the 552A2 (DACS III/IV UNIT POWER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
SYM
network/telecom equipment component
55300A
Symmetricm
The Symmetricm 55300A is a network/telecom equipment component — originally specified as "GPS TELECOM REF SOURCE" — available refurbished or as surplus stock via...
VER
network/telecom equipment component
553202
Vertiv
Looking for the Vertiv 553202? This network/telecom equipment component, described by the manufacturer as "AC Power Cord, 12ft - NS502; CD0608-012", is stocked and...
AL
network/telecom equipment component
553B
Alcatel-Lucent
The Alcatel-Lucent 553B is a network/telecom equipment component — originally specified as "UNIT POWER" — available refurbished or as surplus stock via Circular...
SYM
circuit card / line card
55414B
Symmetricm
Manufactured by Symmetricm, the 55414B (CLOCK CARD, ENHANCED STRATUM 2) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and...
HIT
equipment module
5541812-A
Hitachiltd
Hitachiltd 5541812-A: an equipment module (P9500 HDS VSP SAS Interface Card Module SSW). Circular Telecom resells surplus and refurbished units of parts like this,...
HIT
cooling fan module
5541820-A
Hitachiltd
Hitachiltd 5541820-A: a cooling fan module (HDS VSP fan assembly). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
HIT
memory module
5541840-A
Hitachiltd
The Hitachiltd 5541840-A is a memory module — originally specified as "XP P9500 Cache Memory Adapter" — available refurbished or as surplus stock via Circular Telecom,...
HIT
processor module
5541853-B
Hitachiltd
Hitachiltd 5541853-B: a processor module (HDS VSP Processor Blade). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
HIT
network/telecom equipment component
5541894-A
Hitachiltd
Manufactured by Hitachiltd, the 5541894-A (HDS VSP 300GB 15K SFF) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
NET
equipment chassis
554631
Netsure
The Netsure 554631 is an equipment chassis — originally specified as "CHASSIS" — available refurbished or as surplus stock via Circular Telecom, supporting network...
GNR
network/telecom equipment component
554A
Gnrldataco
The Gnrldataco 554A is a network/telecom equipment component — originally specified as "FILTER HW" — available refurbished or as surplus stock via Circular Telecom,...
GNR
network/telecom equipment component
554AT1
Gnrldataco
Gnrldataco 554AT1: a network/telecom equipment component (-). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
EXC
network/telecom equipment component
555-232
Excel
Manufactured by Excel, the 555-232 (Power Distribution Unit, Swd 24 Skt Commando/20xC13 & 4xC19, Vertical) is a network/telecom equipment component. Circular Telecom...
DEL
SFP+ optical transceiver
555-BCKM
Dell
The 555-BCKM is a SFP+ optical transceiver manufactured by Dell. Listed by the manufacturer as "Intel X710 DP 10Gb DA/SFP+, + I350 DP 1Gb Ethernet, Network Daughter...
INT
SFP+ optical transceiver
555-BCKN
Intel
Looking for the Intel 555-BCKN? This SFP+ optical transceiver, described by the manufacturer as "Intel X710 Dual Port 10GbE SFP+ Adapter, PCIe Low Profile", is stocked...
DEL
circuit card / line card
555-BCKO
Dell
The Dell 555-BCKO is a circuit card / line card — originally specified as "I350 RNDC 2 X 10GB+ 2 X 1GB RACK NETWORK DAUGHTER CARD" — available refurbished or as surplus...
AI
network/telecom equipment component
555052-1
Amp Inc
Manufactured by Amp Inc, the 555052-1 (MODULAR IN LINE COUPLER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
CON
network/telecom equipment component
5552-I4
Conklinins
The Conklinins 5552-I4 is a network/telecom equipment component — originally specified as "DDS NET TERMN UN" — available refurbished or as surplus stock via Circular...
HIT
equipment chassis
5552740-A
Hitachiltd
The Hitachiltd 5552740-A is an equipment chassis — originally specified as "FAN ASSEMBLY -CONTROLLER CHASSIS FAN" — available refurbished or as surplus stock via...
HIT
cooling fan module
5552741-A
Hitachiltd
The 5552741-A is a cooling fan module manufactured by Hitachiltd. Listed by the manufacturer as "G1000 FAN ASSEMBLY", it is available through Circular Telecom's surplus...
HIT
network/telecom equipment component
5552745-A
Hitachiltd
Looking for the Hitachiltd 5552745-A? This network/telecom equipment component, described by the manufacturer as "24 SLOT SFF ENCLOSURE", is stocked and resold through...
HIT
equipment module
5552747-A
Hitachiltd
Looking for the Hitachiltd 5552747-A? This equipment module, described by the manufacturer as "VSP I/O EXTEND MODULE", is stocked and resold through Circular Telecom's...
HIT
power supply unit
5552748-A
Hitachiltd
The Hitachiltd 5552748-A is a power supply unit — originally specified as "EXPANSION CABINET POWER SUPPLY" — available refurbished or as surplus stock via Circular...
HIT
processor module
5552759
Hitachiltd
Looking for the Hitachiltd 5552759? This processor module, described by the manufacturer as "SERVICE PROCESSOR", is stocked and resold through Circular Telecom's...
HIT
network/telecom equipment component
5552760-A
Hitachiltd
Hitachiltd 5552760-A: a network/telecom equipment component (VSP 61000 HUB). Circular Telecom resells surplus and refurbished units of parts like this, helping...