CSUs/DSUs
csus/dsus — pre-owned
Browse 590 csus/dsus — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Adtran Atlas 800 T1 Quad PRI 1200185L3 1200.185L3 830 1 Year Warranty Series
Adtran Atlas 800. T1 Quad PRI. 830, 890 Chassis.
LUCENT CONNECTREACH Network Dual T1 CSU DSU Integrator DSX Voice Channel Bank
Excellent - Minor surface blemishes that can be seen, but not felt. Technician Support. Good - Small Scratches, minor scuffing.
Westell Technologies - RMM-300 Remote System Base Unit (BG-SD)
The Westell Technologies RMM-300 Remote System Base Unit is a versatile and reliable remote unit designed for enterprise networking applications. This unit, specifically the model RMM-300, provides a secure and efficient way to remotely access and manage network devices. With Westell's trusted brand, you can be confident in the performance and compatibility of this remote system base unit. Ideal for businesses looking to streamline their networking operations and enhance their overall connectivity experience.
ADC Kentrox Data Smart T1 Quad port Rackmount
Kentrox DataSMART MAX T1 Dual-port Add Drop. Custom icons uniquely identify all Kentrox devices for easy recognition on the Network Node Manager topology map. To help you resolve performance problems on your circuit, DataSMART MAX DSU/CSUs provide comprehensive T1 diagnostic tools.
Adtran Atlas 890 Chassis 1200321L1 w/2*Controller +2*PSU Module
The Adtran Atlas 890 Chassis 1200321L1 is a data transfer switch designed for enterprise networking and servers. It comes with two controllers and two power supply module, providing high-performance capabilities for efficient data management. With the trusted ADTRAN brand and the specific model of Atlas 890, this product is ideal for businesses looking to enhance their networking infrastructure with a reliable and robust solution.
PAC TR7 Universal Trigger Output Module (Used)
Item is pre owned. Used condition. Please view pictures to assess item condition. Item pictured is what will be shipped.
ET90110SM302 StarTech 10/100 Mbps Single Mode Fiber Media Converter SC 30 km
It is our privilege and pleasure to serve you.
Genuine HPE JD092B X130 10G SFP+ SR 10GBASE-SR Module MMF 850nm 300m Transceiver
· This is a Genuine HPE SFP Transceiver complete with the HPE holographic sticker. This isNOT a third party or compatible SFP Transceiver. This is HPE Genuine SFP Transceiver complete with original holographic sticker.
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StarTech ET9100SC2 Gigabit Ethernet Multi Mode SC Fiber Media Converter FREE SH
Converts Gigabit Ethernet signals to multi-mode fiber for long-distance connectivity. Supports IEEE 802.3ab 1000BASE-T Ethernet. Connector Type: SC fiber connector. Fiber Type: Multi Mode (MMF). Ethernet cable.
Lot of 2x Adtran Atlas 800 830 890 Quad NX 56/64 V.35 1200184L1 Modules
The product is a lot of two Adtran Atlas 800 830 890 Quad NX 56/64 V.35 1200184L1 modules. These network modules are manufactured by ADTRAN, a well-known brand in the telecommunications industry. Made in China, these modules are designed to provide high-speed network connectivity and reliability for various communication and networking systems. Ideal for businesses and organizations looking to enhance their network infrastructure, these modules offer a reliable and efficient solution for expanding network capacity and improving performance.
Adtran Atlas 550 Chassis Router 1200305L2 T1 IAD Module 1200307L2 Tested
The Adtran Atlas 550 Chassis Router 1200305L2 with T1 IAD Module 1200307L2 is a high-quality networking device designed for enterprise use. With its DSL/Phone (RJ-11) interface, this router allows for reliable and efficient communication. The ADTRAN brand ensures durability and performance, making it a trusted choice for businesses looking to enhance their networking capabilities. Wear scratches show on pictures
Antaira Technologies Optolinx IMP-100A-S3-T Industrial PoE Media Converter
Antaira IMP-100A-S3-T. The IMP-100A-S3-T features a SC fiber connector as well as the STP-RJ45 Ethernet connector. Embedded 1 Port PoE Injector Function. Key Features RJ-45 Port Support Auto MDI/MDI-X Function.
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Adtran 4243924F2 Total Access 924e 3rd Gen Gateway 900e Life Line FXO IAD CSU
Refurb Indivually Boxed Reset Fact Fresh to GUI.
ADC Kentrox DataSMART T3/E3 IDSU / Model: 15951
As-Is - Major scratches, dents, discoloration or cracks; Broken off or missing panels. Good - Small Scratches, minor scuffing. Excellent - Minor surface blemishes that can be seen, but not felt. Product Condition Grading(If Applicable).
LOT OF 3 STARTECH HUBS-ET91000SC Gigabit Multi Fiber Ethernet Media Converter
Excellent - Minor surface blemishes that can be seen, but not felt. Technician Support. Good - Small Scratches, minor scuffing.
Adtran NetVanta 3205 Enterprise Router VPN Firewall Gateway P/N 1203870G1
Adtran NetVanta 3205 1203870G1 W Rack Ears. Condition is Used. Shipped with USPS Ground Advantage.
Sony BRU-SF10 HD Optical Multiplex Unit for BRC-Z330 (NO POWER SUPPLY)
Pulled from working system.
Adtran Atlas 800 830 890 Async-232 1200182L1 Module
The Async-232 Module combines with other ATLAS components to provide solutions for a variety of wide area networking (WAN) applications. For remote access applications, ATLAS receives incoming analog or ISDN-based signals from remote users, and concentrates them onto T1 or Primary Rate ISDN (PRI) circuits.
Adtran 4243924F1 Total Access 924e 3rd Gen Gateway 900e CSU DSU Warranty
Adtran Atlas 800 DSP 8-Channel Voice Compression 1200221L1 Module
Voice Compression 1200221L1 Module. Adtran Atlas 800 DSP 8-Channel. YOU WILL RECEIVE ONLY WHAT IS PICTURED IN THE AD UNLESS OTHERWISE NOTED. I WILL TRY MY BEST TO RESOLVE ANY ISSUE OR CONCERNS YOU MAY HAVE.
StarTech ET91000SFP2C GE SFP Fiber Media Converter Card for ETCHS2U *
StarTech ET91000SFP2C.
StarTech MCM110ST2 10/100 Multi Mode Fiber Ethernet Media Converter FREE S/H
We can then adjust your invoice before checkout. Requesting an Updated Invoice Local Pickup.
StarTech Gigabit Ethernet to Single Mode LC Fiber Media Converter 24.8miles/40km
Adtran Atlas 800 830 890 MODEM-24 1200782L1 Module
The Adtran Atlas 800 830 890 MODEM-24 1200782L1 Module is a network module designed by ADTRAN specifically for the 830 model. This module is a key component for providing modem functionality and ensuring reliable network connectivity. With its high-quality construction and compatibility with the Adtran Atlas 800 series, this module is a vital part of any network setup that requires seamless and efficient communication.
StarTech 10/100 Mbps Ethernet to Multi Mode SC Fiber Media Converter 2km
The unit is ingood physical condition and has been fully tested to ensure it works perfectly. No other accessories or cables included. Connector: SC.
TP-Link MC200CM Gigabit RJ45 to Multi-Mode SC Fiber Media Converter w CHARGER
The TP-Link MC200CM Gigabit RJ45 to Multi-Mode SC Fiber Media Converter is a reliable networking device that allows for the conversion of RJ45 Ethernet signals to SC fiber optic connections. With a single WAN port and a 2-year manufacturer warranty, this media converter is ideal for enterprise networking setups requiring a high-speed, wired-Ethernet connection. The unit is unmanaged and offers a RAID level of 1+0, making it a versatile and efficient option for businesses looking to enhance their network connectivity with a trusted brand like TP-LINK.
Adtran Atlas 800 830 890 HDLC 1200222L1 Module Free Shipping
The Adtran Atlas 800 830 890 HDLC 1200222L1 Module is a network module designed by ADTRAN, a reputable brand in the industry. This module is specifically designed for use with Adtran Atlas 800, 830, and 890 routers, providing high-definition voice and data capabilities. With free shipping included, this product offers convenience and reliability for businesses looking to enhance their network infrastructure.
Adtran Atlas 800 830 890 IMUX-56/64 1200262L1 Module
ATLAS 800 Series option module.
PAC TR-7 Universal Trigger Output Module for Video Bypass
PAC TR-7 Universal Trigger Output Module for Video Bypass
Black box MT132A-R2 CSU/DSU Channel Service Unit / Data Service Unit
Technician Support. Excellent - Minor surface blemishes that can be seen, but not felt. Any other parts/power adapters or accessories that are NOT shown in the pictures are NOT included! Good - Small Scratches, minor scuffing.
Adtran Atlas 800 T1 Quad PRI 1200185L2
Looks like new, not tested.
10x Adtran TSU ACE 2nd Gen CSU/DSU Data Channel Service Unit 1202295L1, FREESHIP
Model: TSU ACE 2nd Gen - P/N- 1202295L1 - TSU ACE. Make: Adtran. SUM Computers Inc. Item Details Warranty Information.
Adtran T3SU 300 1202217L2 T3 w/ 1x DSX-1 1200284L1 Module AC Multiplexer 3-Slot
The Adtran T3SU 300 1202217L2 T3 w/ 1x DSX-1 1200284L1 Module AC Multiplexer 3-Slot is a high-quality multiplexer product made by ADTRAN in the United States. This model is designed to provide efficient data transmission andmultiplexing capabilities for various communication systems. With its reliable brand reputation and specific model details, this product is a great choice for businesses and organizations seeking reliable network solutions.
ADTRAN INTERGRATED ACCESS SYSTEM W/ POWER SUPPLY #750
Total Access 750 Interface. AC Alarm output. -54V 2A output. Line Code: AMI / B8ZS. This is a very nice system in like new condition and it is fully guatranteed. DC Power: 40-56 vDC, 50W Max. NO RESERVE!
QNAP Server NAS TS-1253U 12x 6TB HDD HGST Hard Drive 0F23072 HDN726060ALE610 #1
Includes QTY 12 HGST 6.0TB Hard Drives. These were acquired by the storage owner and I bought them from him. I powered everything up and tested the hard drives with a SABRENT Docking Station/Reader and HD Tune PRO.
CISCO UCSC-PCIE-CSC-02 V04 Dual Port 10Gb SFP+ PCIe CNA ***Used Good***
TheCisco UCSC-PCIE-CSC-02 V04, also known as theCisco VIC 1225, is a genuine Ciscodual-port 10GbE SFP+ Converged Network Adapter (CNA) designed for Cisco UCS C-Series rack servers. Title: CISCO UCSC-PCIE-CSC-02 V04.
Adtran 4243924F2 Total Access 924e Black 3rd Gen Gateway 900e FXO Port Rear Qty
Refurb Indivually Boxed Reset Fact Fresh to GUI.
Adtran TSU 120e CSU/DSU Multiplexer 1202.129L1
Model: TSU 120e. Type:CSU/DSU Multiplexer. This item is exactly as pictured. Weight: 4.06 lb. Part Number: 1202.129L1.
Adtran T1 ESF CSU ACE ELA 232 T12
ADTRAN T1 ESFCSUACE P/N 1200.025L1
Adtran NT1 ACE4
Condition is Used.