XYL
network switch
ESM-100C-12-2C
Xylan
Xylan ESM-100C-12-2C: a network switch (OMNISWITCH 12PT). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
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.
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Telecom parts catalogue
UNK
circuit card / line card
ESM-100C-32
UNKNOWN
ESM-100C-32: a circuit card / line card (ESM 10/100 CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
NEO
network switch
ESP-8M+R2
Neol
Neol ESP-8M+R2: a network switch (ePowerSwitch 8M+). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
HP
power supply unit
ESP104
HP
HP ESP104: a power supply unit (450W HOT PLUG REDUNDANT POWER SUPPLY). Circular Telecom resells surplus and refurbished units of parts like this, helping operators...
COM
power supply unit
ESP113
Compaq
Looking for the Compaq ESP113? This power supply unit, described by the manufacturer as "POWER SUPPLY", is stocked and resold through Circular Telecom's refurbished and...
HP
power supply unit
ESP114
HP
HP ESP114: a power supply unit (800W POWER SUPPLY). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
HP
power supply unit
ESP120
HP
The ESP120 is a power supply unit manufactured by HP. Listed by the manufacturer as "POWER SUPPLY", it is available through Circular Telecom's surplus and refurbished...
HP
power supply unit
ESP128
HP
HP ESP128: a power supply unit (POWER SUPPLY). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment...
3CO
network/telecom equipment component
ESPL-220
3Com
3Com ESPL-220: a network/telecom equipment component (NETBUILDER 449 ESPL220 20-0126-03). Circular Telecom resells surplus and refurbished units of parts like this,...
network/telecom equipment component
ESR-10008
Cisco
The Cisco ESR-10008 is a network/telecom equipment component — originally specified as "-" — available refurbished or as surplus stock via Circular Telecom, supporting...
circuit card / line card
ESR-10C12ATM-SM
Cisco
Manufactured by Cisco, the ESR-10C12ATM-SM (CISCO 10000 ESR OMEGA OC-12 LINE CARD / OC-12/STM-4-ATM-SM-IR) is a circuit card / line card. Circular Telecom sources,...
circuit card / line card
ESR-1COC12-SMI
Cisco
The ESR-1COC12-SMI is a circuit card / line card manufactured by Cisco. Listed by the manufacturer as "ONE-PORT CHANNELIZED OC-12/STM-4 LINE CARD, SINGEL MODE.", it is...
network/telecom equipment component
ESR-1GE1H
Cisco
The ESR-1GE1H is a network/telecom equipment component manufactured by Cisco. It is available through Circular Telecom's surplus and refurbished network equipment...
network/telecom equipment component
ESR-1OC12/P-SMI
Cisco
The ESR-1OC12/P-SMI is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "OC-12/STM-4 POS SM-IR", it is available through...
circuit card / line card
ESR-1OC12ATM-SM
Cisco
Cisco ESR-1OC12ATM-SM: a circuit card / line card (CISCO 10000 ESR OMEGA OC-12 LINE CARD / OC-12/STM-4-ATM-SM-IR). Circular Telecom resells surplus and refurbished...
DEL
power supply unit
ESR-24/100AA
Delta
The Delta ESR-24/100AA is a power supply unit — originally specified as "POWER SUPPLY 24V,100A, 24VDC, 100AMPS" — available refurbished or as surplus stock via Circular...
DEL
power supply unit
ESR-24/100BA
Delta
Delta ESR-24/100BA: a power supply unit (PSU). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment...
DEL
power supply unit
ESR-24/100D
Delta
The Delta ESR-24/100D is a power supply unit — originally specified as "PSU" — available refurbished or as surplus stock via Circular Telecom, supporting network...
DEL
network/telecom equipment component
ESR-24/100DA
Delta
The Delta ESR-24/100DA is a network/telecom equipment component — originally specified as "RECTIFIER" — available refurbished or as surplus stock via Circular Telecom,...
DEL
equipment module
ESR-24/100EA
Delta
The ESR-24/100EA is an equipment module manufactured by Delta. Listed by the manufacturer as "VDC 100A 2750W MODULAR RECTIFIER ESR 3000 POWER MODULE", it is available...
circuit card / line card
ESR-24CT1/E1
Cisco
The ESR-24CT1/E1 is a circuit card / line card manufactured by Cisco. Listed by the manufacturer as "24 PORT CHANNELIZED E1/T1 LINE CARD", it is available through...
DEL
equipment module
ESR-48/10B
Delta
Delta ESR-48/10B: an equipment module (POWER RECTIFIER MODULE). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend...
DEL
network/telecom equipment component
ESR-48/120A
Delta
Manufactured by Delta, the ESR-48/120A (RECTIFIER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Delta...
DEL
equipment module
ESR-48/15A
Delgrntech
Manufactured by Delgrntech, the ESR-48/15A (POWER RECTIFIER MODULE) is an equipment module. Circular Telecom sources, tests, and resells surplus and refurbished...
DEL
equipment module
ESR-48/20CS
Delta
Delta ESR-48/20CS: an equipment module (1kW POWER MODULE). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network...
DEL
network/telecom equipment component
ESR-48/23B
Delta
The ESR-48/23B is a network/telecom equipment component manufactured by Delta. Listed by the manufacturer as "RECTIFIER/20 AMP DC RECTIFIER", it is available through...
DEL
power supply unit
ESR-48/28A-A
Delta
The ESR-48/28A-A is a power supply unit manufactured by Delta. Listed by the manufacturer as "Power Supply Input 110v-240v 16a 50-60hz Output 54v 25a", it is available...
DEL
power supply unit
ESR-48/28A-U
Delta
Delta ESR-48/28A-U: a power supply unit (Power Supply Input 100v-240v 16a 50-60hz Output 54v 25a). Circular Telecom resells surplus and refurbished units of parts like...
GP
network/telecom equipment component
ESR-48/30DA
Ge Power
Manufactured by Ge Power, the ESR-48/30DA (30A RECT UN) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished...
DEL
battery unit
ESR-48/38A-U
Delta
Looking for the Delta ESR-48/38A-U? This battery unit, described by the manufacturer as "BATTERY DC UNIT", is stocked and resold through Circular Telecom's refurbished...
EME
equipment module
ESR-48/40A
Emerson
The ESR-48/40A is an equipment module manufactured by Emerson. Listed by the manufacturer as "RECTIFIER MODULE", it is available through Circular Telecom's surplus and...
DEL
network/telecom equipment component
ESR-48/40AU-S
Deltec
The ESR-48/40AU-S is a network/telecom equipment component manufactured by Deltec. It is available through Circular Telecom's surplus and refurbished network equipment...
DEL
power supply unit
ESR-48/40B
Delta
Manufactured by Delta, the ESR-48/40B (POWER SUPPLY) is a power supply unit. Circular Telecom sources, tests, and resells surplus and refurbished Delta equipment like...
DEL
equipment module
ESR-48/50BA
Delta
The ESR-48/50BA is an equipment module manufactured by Delta. Listed by the manufacturer as "POWER MODULE MCR3000 RECTIFIER", it is available through Circular Telecom's...
DEL
equipment module
ESR-48/50DA
Delta
The Delta ESR-48/50DA is an equipment module — originally specified as "RECTIFIER MODULE" — available refurbished or as surplus stock via Circular Telecom, supporting...
DEL
equipment module
ESR-48/56A
Delta
Manufactured by Delta, the ESR-48/56A (Rectifier Communication Monitoring Power Module ESR-48/56AC) is an equipment module. Circular Telecom sources, tests, and resells...
DEL
network/telecom equipment component
ESR-48/56BA
Delta
Manufactured by Delta, the ESR-48/56BA (RECTIFIER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Delta...
DEL
network/telecom equipment component
ESR-48/56BF
Delta
Manufactured by Delta, the ESR-48/56BF (Delta 50A 2900KW RECTIFIER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
DEL
network/telecom equipment component
ESR-48/56BG
Delta
Manufactured by Delta, the ESR-48/56BG (RECTIFIER) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Delta...
DEL
equipment module
ESR-48/56BGREV.:03
Delta
The ESR-48/56BGREV.:03 is an equipment module manufactured by Delta. Listed by the manufacturer as "RECTIFIER MODULE", it is available through Circular Telecom's...
DEL
power supply unit
ESR-48/56BU
Delta
The Delta ESR-48/56BU is a power supply unit — originally specified as "POWER SUPPLY" — available refurbished or as surplus stock via Circular Telecom, supporting...
network/telecom equipment component
ESR-4OC3-CHSTM1
Cisco
Manufactured by Cisco, the ESR-4OC3-CHSTM1 (-) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Cisco...
network/telecom equipment component
ESR-4OC3ATM-SM
Cisco
Manufactured by Cisco, the ESR-4OC3ATM-SM (4-PT OC-3 ATM LN CD) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...
circuit card / line card
ESR-6CT3
Cisco
Manufactured by Cisco, the ESR-6CT3 (6 PORT CHANNELIZED T3 LINE CARD) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and...
network/telecom equipment component
ESR-6OC3/P-SMI
Cisco
The ESR-6OC3/P-SMI is a network/telecom equipment component manufactured by Cisco. Listed by the manufacturer as "SIX PORT (3C STS-3C STM-1 POS SM IR)", it is available...
circuit card / line card
ESR-8E3/DS3
Cisco
Manufactured by Cisco, the ESR-8E3/DS3 (8 PORT CLEAR CHANNEL E3/DS3 LINE CARD) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and...
circuit card / line card
ESR-8E3DS3-ATM
Cisco
Looking for the Cisco ESR-8E3DS3-ATM? This circuit card / line card, described by the manufacturer as "8 PORT LINE CARD", is stocked and resold through Circular...
network/telecom equipment component
ESR-BLOWER
Cisco
Manufactured by Cisco, the ESR-BLOWER (Blower assembly for ESR10008) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and...