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Adtran 1202052L2 TSU 100 Modular DSU/CSU Multiplexer

TSU 100 Modular DSU/CSU Multiplexer

The ADTRAN TSU 100 is a full-featured T1/FT1 Data Service/ Channel Service Unit (DSU/CSU). The TSU provides an interface between T1 or Fractional T1 service and the end users Data Terminal Equipment(DTE) for applications such as LAN to LAN bridging, Frame Relay circuit termination and videoconferencing. The TSU 100 provides access to traditional dedicated point-to-point T1 services as well as network termination for Frame Relay. The TSU 100 supports synchronous data rates from 56 kbps to 1.536 Mbps at Nx56 or Nx64 kbps. A V.35 or RS-530 physical interface provides a connection to the end users DTE equipment. For configuration and testing, the TSU 100 provides the capability to control a remote TSU through the T1 FDL channel. If the FDL channel is unavailable, the TSU can use 8 kbps of the data traffic to provide configuration and control of the remote unit. The in-band control channel is used on an as needed basis and is automatically controlled by the TSU 100. The TSU 100 responds to standard local and remote loopback commands from the telephone company central office. In addition, the user has several built-in test capabilities including V.54 remote loopback and 511 BERT test patterns. Complete configuration and performance data is available from the front panel keypad and two-line by 16 character LCD display.


- Single built-in V.35 DTE interface for applications such as LAN-to-LAN bridging. Frame Relay circuit termination and videoconferencing
- Bantam test jacks
- Supports VT100 terminal configuration and control mode using control port
- Local and remote loop backs
- SF/ESF/Auto Detection
- Timing: Network, Internal, or DTE
- Single expansion slot supports up to four additional DTE interfaces
- User-programmable bandwidth allocation per port via front panel, VT100, SLIP management, or T-Watch PROTM
- SNMP management (SLIP interface only) Two DS0 configuration maps provisioned to switch at predetermined times

Every refurbished, pre-owned, and used Adtran 1202052L2 for sale is fully guaranteed by our extensive 90-day warranty. Please feel free to contact us regarding our inventory of refurbished Adtran networking equipment, or if you have any additional questions regarding this 1202052L2 TSU 100 Modular DSU/CSU Multiplexer.

Shipping Policies


US Orders: Orders for this Adtran 1202052L2 within the USA which qualify for Free Super-Saver Shipping are shipped at our discretion via the lowest cost method. This can be FedEx, UPS, or US Mail. Typically, orders ship within 48 hours.


Adtran 1202052L2 TSU 100 Modular DSU/CSU Multiplexer units which are shipped internationally have a mandatory 5-10 business day security holding period between payment being received and shipment processing. This security policy is to allow funds to fully clear our bank account.


Does HardwareJet.com offer expedited shipping?


Yes, HardwareJet.com can usually provide expedited (1 or 2 day shipping) for Adtran products, however there is an additional expedite fee per unique Adtran 1202052L2 TSU 100 Modular DSU/CSU Multiplexer in addition to the product fee and expedited carrier shipping charges. We can only provide expedited shipping to addresses within the USA. If we can offer expedited shipping for an item, expedited shipping costs will be shown at checkout. If we can not provide expedited shipping for an item, then you will not be presented with these options during the cart checkout process.

  • Manufacturer: Adtran
  • Part Number: 1202052L2
  • Availability: 5
  • Condition: Refurbished
  • Warranty: 90 Days
  • Description: Adtran 1202052L2 TSU 100 Modular DSU/CSU Multiplexer

  • Yes, we can ship this item overnight! (US Destinations Only)
  • Price: $52.95