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signal/power converter
AT-MMC6005-60
Allied
The Allied AT-MMC6005-60 is a signal/power converter — originally specified as "AT-MMC6005 Media Converter" — available refurbished or as surplus stock via Circular...
Circular Telecom Parts Catalogue
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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
ALL
power supply unit
AT-MMCR18-60
Allied
The AT-MMCR18-60 is a power supply unit manufactured by Allied. Listed by the manufacturer as "18-Slot Chassis for MMC2XXX Series Media Converters, Includes...
AC
network/telecom equipment component
AT-MR112T
Allied Com
Allied Com AT-MR112T: a network/telecom equipment component (MR112T CENTRE COM IEEE.802.3 MICRO REPEATER). Circular Telecom resells surplus and refurbished units of...
AS
network/telecom equipment component
AT-MS201
Allied Syn
Looking for the Allied Syn AT-MS201? This network/telecom equipment component, described by the manufacturer as "Allied Telesyn International CentreCom MS201", is...
AT
optical receiver
AT-MX10S
Allied Tel
Manufactured by Allied Tel, the AT-MX10S (BNC SLIMLINE TRCVR) is an optical receiver. Circular Telecom sources, tests, and resells surplus and refurbished Allied Tel...
AT
signal/power converter
AT-MX10S-05
Allied Tel
Looking for the Allied Tel AT-MX10S-05? This signal/power converter, described by the manufacturer as "10 BASE2MAU SLIM LINE CONVERTER", is stocked and resold through...
AS
optical transceiver
AT-MX20T
Allied Syn
Allied Syn AT-MX20T: an optical transceiver (TWISTED PAIR TRANSCEIVER IEEE 802.3 10 BASE T). Circular Telecom resells surplus and refurbished units of parts like this,...
ATT
network router
AT-NEW-5792-BLK
Att
Looking for the Att AT-NEW-5792-BLK? This network router, described by the manufacturer as "WIRELESS HOTSPOT ROUTER", is stocked and resold through Circular Telecom's...
AS
equipment module
AT-PWR4
Allied Syn
Looking for the Allied Syn AT-PWR4? This equipment module, described by the manufacturer as "PWR SPL MODULE", is stocked and resold through Circular Telecom's...
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power supply unit
AT-PWR4-10
Allied
Manufactured by Allied, the AT-PWR4-10 (POWER SUPPLY) is a power supply unit. Circular Telecom sources, tests, and resells surplus and refurbished Allied equipment like...
AT
power supply unit
AT-PWR4-50
Allied Tel
Allied Tel AT-PWR4-50: a power supply unit (POWER SUPPLY MODULE FOR AT-MCR12, EUROPEAN VERSION - 990-001241-50 - 526448). Circular Telecom resells surplus and...
AS
power supply unit
AT-PWR9
Allied Syn
Allied Syn AT-PWR9: a power supply unit (POWER SUPPLY). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
AS
network/telecom equipment component
AT-RP24I
Allied Syn
Allied Syn AT-RP24I: a network/telecom equipment component (10/100TX 24PT LY3 AC). Circular Telecom resells surplus and refurbished units of parts like this, helping...
SIE
network/telecom equipment component
AT-S010080
Siemens
Looking for the Siemens AT-S010080? This network/telecom equipment component, described by the manufacturer as "SINGLE STM-1/OC3 ELECT CR", is stocked and resold...
AT
SFP+ optical transceiver
AT-SBX31CFC960
Allied Tel
Allied Tel AT-SBX31CFC960: a SFP+ optical transceiver (Allied Telesis Remote management adapter - 10 Gigabit SFP+ x 4). Circular Telecom resells surplus and refurbished...
AT
controller module
AT-SBX81CFC960
Allied Tel
Allied Tel AT-SBX81CFC960: a controller module (960GBPS CONTROLLER FABRIC CARD FOR SBX8100 SERIES). Circular Telecom resells surplus and refurbished units of parts like...
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SFP optical transceiver module
AT-SPBD20-13/1
Allied
The AT-SPBD20-13/1 is a SFP optical transceiver module manufactured by Allied. Listed by the manufacturer as "BiDi SFP", it is available through Circular Telecom's...
SFP optical transceiver module
AT-SPBD40-13
Cisco
The Cisco AT-SPBD40-13 is a SFP optical transceiver module — originally specified as "TRANSCEIVER, FIBER, OPTIC, SFP" — available refurbished or as surplus stock via...
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SFP optical transceiver module
AT-SPLX10
Allied
The Allied AT-SPLX10 is a SFP optical transceiver module — originally specified as "1310NM SINGLE MODE SFP" — available refurbished or as surplus stock via Circular...
ALL
network/telecom equipment component
AT-TN-1000-A-10
Allied
Allied AT-TN-1000-A-10: a network/telecom equipment component (EXTENDED ETHERNET). Circular Telecom resells surplus and refurbished units of parts like this, helping...
AT
network/telecom equipment component
AT-TN-113-B
Allied Tel
Allied Tel AT-TN-113-B: a network/telecom equipment component (POTS splitter). Circular Telecom resells surplus and refurbished units of parts like this, helping...
AT
circuit card / line card
AT-TN-117-A
Allied Tel
The Allied Tel AT-TN-117-A is a circuit card / line card — originally specified as "8 PORT GBE LINE CARD" — available refurbished or as surplus stock via Circular...
AT
circuit card / line card
AT-TN-117-B
Allied Tel
The AT-TN-117-B is a circuit card / line card manufactured by Allied Tel. Listed by the manufacturer as "GE8 8xGbE WAN interface card REMANUFACTURED", it is available...
AT
circuit card / line card
AT-TN-123-B
Allied Tel
Looking for the Allied Tel AT-TN-123-B? This circuit card / line card, described by the manufacturer as "24 PORT COMBO CARD", is stocked and resold through Circular...
AT
network/telecom equipment component
AT-TN-139-B
Allied Tel
The AT-TN-139-B is a network/telecom equipment component manufactured by Allied Tel. Listed by the manufacturer as "FX20BX T1550/R1310 SM Single Fiber 10KM Commercial...
AT
network/telecom equipment component
AT-TN-144-A
Allied Tel
Manufactured by Allied Tel, the AT-TN-144-A (FTTX CHANNEL UNIT GE24BX T1550/R1310) is a network/telecom equipment component. Circular Telecom sources, tests, and...
AT
network/telecom equipment component
AT-TN-145-A
Allied Tel
Looking for the Allied Tel AT-TN-145-A? This network/telecom equipment component, described by the manufacturer as "iMAP PAC24 24-port POTS and ADSL2+ combo channel...
AT
network/telecom equipment component
AT-TN-251-A
Allied Tel
Looking for the Allied Tel AT-TN-251-A? This network/telecom equipment component, described by the manufacturer as "MAP7400 3U 19IN 7SLT CHASSSIS", is stocked and...
AT
equipment chassis
AT-TN-251G
Allied Tel
The AT-TN-251G is an equipment chassis manufactured by Allied Tel. Listed by the manufacturer as "Imap 9400 7 Slot Chassis With Dc Power Without Filler Plates", it is...
AT
equipment chassis
AT-TN-253G
Allied Tel
Allied Tel AT-TN-253G: an equipment chassis (8 slot chassis with DC power without filler plates). Circular Telecom resells surplus and refurbished units of parts like...
AT
circuit card / line card
AT-TN-301-A
Allied Tel
Manufactured by Allied Tel, the AT-TN-301-A (3x GbE WAN interface card) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and...
AT
circuit card / line card
AT-TN-301-C
Allied Tel
The Allied Tel AT-TN-301-C is a circuit card / line card — originally specified as "3x GbE WAN interface card" — available refurbished or as surplus stock via Circular...
AS
optical network terminal (ONT)
AT-TN-401-B
Allied Syn
The AT-TN-401-B is an optical network terminal (ONT) manufactured by Allied Syn. Listed by the manufacturer as "CENTRAL FABRIC & CONTR", it is available through...
AT
network switch
AT-TN-401-C
Allied Tel
Allied Tel AT-TN-401-C: a network switch (ALLIED TELESIS CFC24 24GBE SWITCH CONTROLLER CARD). Circular Telecom resells surplus and refurbished units of parts like this,...
AT
network switch
AT-TN-401-E
Allied Tel
The Allied Tel AT-TN-401-E is a network switch — originally specified as "ALLIED TELESIS CFC24 24GBE SWITCH CONTROLLER CARD" — available refurbished or as surplus stock...
AT
network switch
AT-TN-407-B
Allied Tel
The AT-TN-407-B is a network switch manufactured by Allied Tel. Listed by the manufacturer as "Allied Telesis Cfc56 10g Switch Controller Card", it is available through...
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network switch
AT-TN-407-C
Allied
The Allied AT-TN-407-C is a network switch — originally specified as "ALLIED TELESIS CARD CFC56 SWITCH CONTROLLER" — available refurbished or as surplus stock via...
AC
network switch
AT-TN-407B
Allied Com
Looking for the Allied Com AT-TN-407B? This network switch, described by the manufacturer as "MODULE, CFC56, SWITCH CONTROLLER", is stocked and resold through Circular...
AT
network switch
AT-TN-408-B
Allied Tel
The AT-TN-408-B is a network switch manufactured by Allied Tel. Listed by the manufacturer as "12GBE SWITCH CONTROL MODULE", it is available through Circular Telecom's...
AT
optical network terminal (ONT)
AT-TN-409-A
Allied Tel
Looking for the Allied Tel AT-TN-409-A? This optical network terminal (ONT), described by the manufacturer as "100GbE central fabric control card", is stocked and...
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network/telecom equipment component
AT-TN-E001
Allied
Manufactured by Allied, the AT-TN-E001 (AT-TN-E001) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished...
BE
controller module
AT-TN-E001-C
Bell Ent
Manufactured by Bell Ent, the AT-TN-E001-C (FAN & CONTROLLER MOD) is a controller module. Circular Telecom sources, tests, and resells surplus and refurbished Bell Ent...
AS
equipment chassis
AT-TN-E001-D
Allied Syn
Allied Syn AT-TN-E001-D: an equipment chassis (CONTROLLER CHASSIS). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
AT
equipment chassis
AT-TN-E001-E
Allied Tel
The Allied Tel AT-TN-E001-E is an equipment chassis — originally specified as "High Power Fan Module for 9700 Chassis" — available refurbished or as surplus stock via...
AT
cooling fan module
AT-TN-E003-A
Allied Tel
Looking for the Allied Tel AT-TN-E003-A? This cooling fan module, described by the manufacturer as "MAP7400 FAN MODULE", is stocked and resold through Circular...
AT
equipment chassis
AT-TN-E004-B
Allied Tel
Manufactured by Allied Tel, the AT-TN-E004-B (Fan Controller: 7-slot chassis) is an equipment chassis. Circular Telecom sources, tests, and resells surplus and...
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network/telecom equipment component
AT-TN-M000-A
Allied
The AT-TN-M000-A is a network/telecom equipment component manufactured by Allied. Listed by the manufacturer as "FPF", it is available through Circular Telecom's...
AT
network/telecom equipment component
AT-TN-S101-A
Allied Tel
The Allied Tel AT-TN-S101-A is a network/telecom equipment component — originally specified as "High Performance Pots Splitter" — available refurbished or as surplus...