Why buy from us?
HardwareJet is built for professionals who need dependable hardware without delays or guesswork. Our curated network of manufacturers ensures quality parts, fair pricing, and responsive service.
Ask a Question About This Product
ADC Kentrox 77123-L2 T-Serv II DSU/CSU Plus 77040 Enclosure
The T-SERV II T1 Basic Channel Service Unit (CSU) meets all FCC and carrier requirements for a standard interface between the user and the network. Its transparent operation passes AMI/B8ZS and ESF/D4 enhanced T1 formats unaltered. All basic CSU func... Read More
from
$48.95
- In Stock: 1
- Manufacturer: ADC Kentrox
- Model or Part: 77123-L2
- Condition: Refurbished
- Weight: 8.00lb
- Dimensions: 22.00in x 17.00in x 12.00in
United States of America Shipping
Orders over $200 qualify for Free Super-Saver Shipping and are shipped at our discretion via the lowest cost method. We use FedEx, UPS, and US Postal Service as shipping carriers. We cannot ship within the USA by billing directly to your shipper account number or by using a customer provided shipping label. All shipping charges must be pre-paid at checkout.
International / Foreign Shipping
Orders which are shipped internationally have a mandatory 2-5 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. International transport costs can be charged directly to your FedEx account number. We cannot ship internationally using your DHL, TNT, or UPS account number. We are able to ship internationally using customer provided labels from any shipping carrier.
Expedited and Rush Shipping
HardwareJet.com can usually provide expedited (1 or 2 day shipping), however there is an additional rush fee per unique item in addition to the product cost and expedited carrier shipping charges. If we can offer expedited shipping for an item, expedited shipping costs will be shown at checkout. If we cannot provide expedited shipping for an item, then you will not be presented with these options during the cart checkout process.
Orders over $200 qualify for Free Super-Saver Shipping and are shipped at our discretion via the lowest cost method. We use FedEx, UPS, and US Postal Service as shipping carriers. We cannot ship within the USA by billing directly to your shipper account number or by using a customer provided shipping label. All shipping charges must be pre-paid at checkout.
International / Foreign Shipping
Orders which are shipped internationally have a mandatory 2-5 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. International transport costs can be charged directly to your FedEx account number. We cannot ship internationally using your DHL, TNT, or UPS account number. We are able to ship internationally using customer provided labels from any shipping carrier.
Expedited and Rush Shipping
HardwareJet.com can usually provide expedited (1 or 2 day shipping), however there is an additional rush fee per unique item in addition to the product cost and expedited carrier shipping charges. If we can offer expedited shipping for an item, expedited shipping costs will be shown at checkout. If we cannot provide expedited shipping for an item, then you will not be presented with these options during the cart checkout process.
Item Condition:
New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
Some items drop ship from third party sellers.
New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
Some items drop ship from third party sellers.
The T-SERV II T1 Basic Channel Service Unit (CSU) meets all FCC and carrier requirements for a standard interface between the user and the network. Its transparent operation passes AMI/B8ZS and ESF/D4 enhanced T1 formats unaltered. All basic CSU functions are contained in the T-SERV II CSU, including bipolar violation (BPV) correction, Line Build-Out (LBO), loop-code generator, status indicators, test jacks, power options (line or local) and automatic keep-alive signal generation. Pulse Density enforcement can be set for 15 (AT&T TR62411), 47, or 80 (FCC Part 68) consecutive zeros.