WES
network/telecom equipment component
ASTS-IHR
Westell
Manufactured by Westell, the ASTS-IHR (ASTS IN T1 OFF RPTR) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus 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.
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Telecom parts catalogue
WES
optical network terminal (ONT)
ASTS-SCU
Westell
The ASTS-SCU is an optical network terminal (ONT) manufactured by Westell. Listed by the manufacturer as "ASTS SHLF CONTR UN", it is available through Circular...
WES
network/telecom equipment component
ASTS-SYSE
Westell
The Westell ASTS-SYSE is a network/telecom equipment component — originally specified as "ASTS SYSE INTFC MOD" — available refurbished or as surplus stock via Circular...
PC
circuit card / line card
ASU1
Pulse Comm
Looking for the Pulse Comm ASU1? This circuit card / line card, described by the manufacturer as "CARD ALARM SLC-96/PSC-96 SURP", is stocked and resold through Circular...
FS
equipment chassis
ASX-1000
Fore Sys
The Fore Sys ASX-1000 is an equipment chassis — originally specified as "FORE ASX-1000 ATM EXPN BACKBONE SW Chassis BAM2SL0GRA" — available refurbished or as surplus...
FS
network/telecom equipment component
ASX-1000AC
Fore Sys
The ASX-1000AC is a network/telecom equipment component manufactured by Fore Sys. Listed by the manufacturer as "ATM EXPN BACKBONE SW - AC POWER", it is available...
FS
network switch
ASX-200-BX
Fore Sys
Fore Sys ASX-200-BX: a network switch (BACKBONE ATM SWITCH). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
FS
network switch
ASX-200BX
Fore Sys
Manufactured by Fore Sys, the ASX-200BX (DC PWR BACKBONE ATM SWITCH) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished Fore Sys...
MAR
network switch
ASX-200BX/AC
Marconi
Manufactured by Marconi, the ASX-200BX/AC (Marconi ASX-200BX/AC 2.5 Backbone ATM Switch) is a network switch. Circular Telecom sources, tests, and resells surplus and...
ADA
solid-state drive
ASX1000LS7-120GM-B00
Adata
Looking for the Adata ASX1000LS7-120GM-B00? This solid-state drive, described by the manufacturer as "ADATA 2.5 SATA 6GB/S SX1000L 120GB SSD", is stocked and resold...
AN
optical network terminal (ONT)
ASY-00038-02
Arista Networks
Manufactured by Arista Networks, the ASY-00038-02 (Fan module for Arista (rear-to-front airflow)) is an optical network terminal (ONT). Circular Telecom sources, tests,...
AN
circuit card / line card
ASY-00221-01
Arista Networks
The Arista Networks ASY-00221-01 is a circuit card / line card — originally specified as "SLOT CARD" — available refurbished or as surplus stock via Circular Telecom,...
AN
circuit card / line card
ASY-00221-02
Arista Networks
Looking for the Arista Networks ASY-00221-02? This circuit card / line card, described by the manufacturer as "SLOT CARD", is stocked and resold through Circular...
AN
circuit card / line card
ASY-00221-03
Arista Networks
Arista Networks ASY-00221-03: a circuit card / line card (SLOT CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
AN
SFP+ optical transceiver
ASY-00232-06
Arista Networks
Arista Networks ASY-00232-06: a SFP+ optical transceiver (F-TO-R FAN MODULE FOR ARISTA 7150 24X1 / 10G SFP+ SWITCH - FRONT TO REAR AIRFLOW). Circular Telecom resells...
AN
cooling fan module
ASY-00246-10
Arista Networks
Looking for the Arista Networks ASY-00246-10? This cooling fan module, described by the manufacturer as "FAN MOD", is stocked and resold through Circular Telecom's...
AN
network switch
ASY-00921-03
Arista Networks
The ASY-00921-03 is a network switch manufactured by Arista Networks. Listed by the manufacturer as "Arista 1U Switch Mounting Brackets Rack Mount Ears", it is...
AN
cooling fan module
ASY-02049-04
Arista Networks
The ASY-02049-04 is a cooling fan module manufactured by Arista Networks. Listed by the manufacturer as "FAN-7000H-R", it is available through Circular Telecom's...
AN
circuit card / line card
ASY-05021-07
Arista Networks
Arista Networks ASY-05021-07: a circuit card / line card (SLOT CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
AN
circuit card / line card
ASY-05044-04
Arista Networks
The Arista Networks ASY-05044-04 is a circuit card / line card — originally specified as "SLOT CARD" — available refurbished or as surplus stock via Circular Telecom,...
AN
circuit card / line card
ASY-05051-06
Arista Networks
Looking for the Arista Networks ASY-05051-06? This circuit card / line card, described by the manufacturer as "SLOT CARD", is stocked and resold through Circular...
AN
circuit card / line card
ASY-05071-07
Arista Networks
Arista Networks ASY-05071-07: a circuit card / line card (LINE CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
network/telecom equipment component
ASY01038-D18A
Nokia
Manufactured by Nokia, the ASY01038-D18A (PCB) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Nokia...
POL
network/telecom equipment component
ASY0182J
Polycom
Looking for the Polycom ASY0182J? This network/telecom equipment component, described by the manufacturer as "CNTRL MOD", is stocked and resold through Circular...
HAR
network/telecom equipment component
ASY05830
Harris
The ASY05830 is a network/telecom equipment component manufactured by Harris. Listed by the manufacturer as "TEST PATH EXPANDER OPTION 58F", it is available through...
equipment module
ASYNC-32A
Cisco
The Cisco ASYNC-32A is an equipment module — originally specified as "32 port Asynchronous Module" — available refurbished or as surplus stock via Circular Telecom,...
SOC
network/telecom equipment component
ASYS16A-230
Socomec
The Socomec ASYS16A-230 is a network/telecom equipment component — originally specified as "POWER DISTRIBUTION UNIT" — available refurbished or as surplus stock via...
COM
network/telecom equipment component
AT-210/F
Comverse
Comverse AT-210/F: a network/telecom equipment component (ACCESS NP APPL PROC UN). Circular Telecom resells surplus and refurbished units of parts like this, helping...
AS
optical transceiver
AT-210T
Allied Syn
Looking for the Allied Syn AT-210T? This optical transceiver, described by the manufacturer as "COMPLIANT TRANSCEIVER", is stocked and resold through Circular Telecom's...
AS
optical transceiver
AT-210TS
Allied Syn
The AT-210TS is an optical transceiver manufactured by Allied Syn. Listed by the manufacturer as "COMPLIANT TRANSCEIVER", it is available through Circular Telecom's...
AT
optical transceiver
AT-210TS-05D
Allied Tel
The AT-210TS-05D is an optical transceiver manufactured by Allied Tel. Listed by the manufacturer as "CentreCOM 210T Twisted Pair Transceiver IEEE 802", it is available...
AS
network/telecom equipment component
AT-3008SL
Allied Syn
Allied Syn AT-3008SL: a network/telecom equipment component (10 BASE2 ETHERNET REPEATER). Circular Telecom resells surplus and refurbished units of parts like this,...
ARR
network/telecom equipment component
AT-3545G-20-1-AS
ARRIS
The AT-3545G-20-1-AS is a network/telecom equipment component manufactured by ARRIS. Listed by the manufacturer as "Full Spectrum DWDM Transmitter (1 GHz Passband), ITU...
AT
network/telecom equipment component
AT-3608
Allied Tel
Manufactured by Allied Tel, the AT-3608 (Hub - 8 ports - managed) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
OFS
network/telecom equipment component
AT-3CE12YT-012
Ofs
Manufactured by Ofs, the AT-3CE12YT-012 (OFS SINGLEMODE ALL WAVE PLUS ZWP ALL DIELECTRIC LOOSE TUBE DRY) is a network/telecom equipment component. Circular Telecom...
LIG
network/telecom equipment component
AT-3GE8Y3X-072
Lightera
Manufactured by Lightera, the AT-3GE8Y3X-072 (72 FIBER OSP 12F PER RIBBON ACCUROLL DRY CORE-MOD, DIEL LXE SHEATH ALLWAVE+) is a network/telecom equipment component....
LIG
network/telecom equipment component
AT-3GE8Y3X-288
Lightera
The Lightera AT-3GE8Y3X-288 is a network/telecom equipment component — originally specified as "288 FIBER OSP 12F PER RIBBON ACCUROLL DRY CORE-MOD, DIEL LXE SHEATH...
ALL
network switch
AT-8000S/16
Allied
The Allied AT-8000S/16 is a network switch — originally specified as "Fast Ethernet Switch" — available refurbished or as surplus stock via Circular Telecom, supporting...
ALL
network switch
AT-8000S/24POE
Allied
Allied AT-8000S/24POE: a network switch (Fast Ethernet Switch). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
AS
network switch
AT-8224XL
Allied Syn
The AT-8224XL is a network switch manufactured by Allied Syn. Listed by the manufacturer as "10BASE-T/100BASE-TX FAST ETHERNET SWITCH", it is available through Circular...
ALL
network switch
AT-9000/28
Allied
The Allied AT-9000/28 is a network switch — originally specified as "LAYER 2 SWITCH WITH 24-10/100/1000BASE-T" — available refurbished or as surplus stock via Circular...
NET
circuit card / line card
AT-9045
Netcom
The Netcom AT-9045 is a circuit card / line card — originally specified as "SMARTBITS SERIES ATM DS3 / 1 PORT SMARTCARD" — available refurbished or as surplus stock via...
NET
network/telecom equipment component
AT-9155CS
Netcom
Netcom AT-9155CS: a network/telecom equipment component (ATM OC-3 Single-mode). Circular Telecom resells surplus and refurbished units of parts like this, helping...
EC
network switch
AT-9924T
Emc2 Corp
The Emc2 Corp AT-9924T is a network switch — originally specified as "EMC Allied Telesyn 24-Port Advanced Layer 3 Switch" — available refurbished or as surplus stock...
AS
GBIC transceiver
AT-A42
Allied Syn
Looking for the Allied Syn AT-A42? This GBIC transceiver, described by the manufacturer as "1000BASE-X GBIC", is stocked and resold through Circular Telecom's...
AS
GBIC transceiver
AT-A42-00
Allied Syn
The AT-A42-00 is a GBIC transceiver manufactured by Allied Syn. Listed by the manufacturer as "GBIC CXR MOD", it is available through Circular Telecom's surplus and...
ALL
network firewall appliance
AT-AR4050S-50
Allied
Looking for the Allied AT-AR4050S-50? This network firewall appliance, described by the manufacturer as "AT Next Generation Firewalls 2 GB RAM 2 x WAN Bypass Ports 8 x...
SIE
network/telecom equipment component
AT-D010080
Siemens
Looking for the Siemens AT-D010080? This network/telecom equipment component, described by the manufacturer as "XPASS SGL OC-3C ELECL", is stocked and resold through...