Tpi 527 Isdn Basic Rate Test Set

US $8600

Houston, Texas, United States
Jun 18th

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TPI 527 ISDN Basic Rate Test Set CASE INCLUDED ISDN test unit in excellent condition. The battery is not guaranteed. Included with this unit is the power adapter, operators manual, various test cables, and a soft travel case. Features: The Tele-Path Instruments Model 527 ISDN Test Unit is a compact, battery operated device used to conduct testing of ISDN circuits at the customer premise, the input and output of the ISDN repeater housing, or at the main distrubtion frame. The Model 527 is designed both for rugged durability and ease of use, with LCD and audio response to setup and testing. The Model 527 will function as a NT1/NTE (Network Termination/Terminal Equipment). It is connected to the DSL (Digital Subscriber Loop) at the U interface. It is compatible with the 2B1Q DSL interface. The Model 527 ISDN Test Unit allows you to establish a loopback on either B channel. In NT1/TE mode, it will respond to a B1, B2, or full bandwidth (2B+D) loopback command from the Central Office. ISDN tests made by the Model 527 include: # FEBE (Far End Block Errors) and NEBE (Near End Block Errors) in ISDN U interface mode # FE (Frame Errors) and BPV (Bipoloar Violations) in ISDN S/T interface mode # U interface line polarity # Bearer service selections: circuit-switched voice and 3.1 kHz audio, 56 and 64 kb/s circuit-switched data, D packet # Intelligent Testing (IT Trademark of TPI) features: Guess SPID, Auto Call Control, Call Yourself, Loop, and BERT macro, Sense-IT (TM) (sense data on the line) # Bit Error Rate (BER) testing # Cause message decode # Pre-Qualification of the loop: Generate 40 kHz tone # Establish B1/B2 loopback from unit # Response to B1, B2, and 2B+D loopback commands from the C.O. # Supports BRIV (Basic Rate Interface Verification) To my valued customers: we are thankful for your business and strive to make every transaction a pleasant one. from time to time human errors may occur and we ask that you reach out to us before opening a case with eBay. if you look at our feedback profile you will see we do right by our customers,and will certainly make sure that you are 100% satisfied with your pruchase! Please note that most items are Not Tested so the item condition is unknown and not guaranteed unless described otherwise. All items are for sale AS ARE ! If for any reason you are not satisfied with your purchase please contact us immediately by Email or Phone, before contacting eBay Resolution center / Leaving Feedback ! If you are satisfied with your purchase please leave us a positive feedback ! Feel free to contact me via e-mail for questions or for additional photos. All e-mails will be answered as soon as possible ! PAYMENT PayPal Payment is accepted. INTERNATIONAL BIDDERS International bidders are always welcome. Taxes and customs duties are the responsibility of the international buyer. SHIPPING Buyer will pay actual postage charges. Your purchase will be carefully packaged for shipping using bubble wrap and/or shipping peanuts for fragile items. There is NO extra charge for packing materials or "handling" unless specified in the item description above. PLEASE NOTE: I reserve the right to refuse to ship items to "unconfirmed" PayPal addresses. We are shipping all items by Post Office's Air Mail / EMS / UPS - depends on weight. Buyer can choose his preferred way of shipping - but has to pay for it. We are responsible for any D.O.A. issues. SHIPPING Timeout office and custom. If you haven't receive your item within 26 business days after making the payment please contact us iN We will ship the item within 1 business days after receiving the payment from the buyer. Buyer usually receive the item within 21 business days after the shipping. It all depends on the Immediately. Be note, when leaving us the seller rating on eBay, shipping time is NOT a delivery time! Delivery time depends on post office and customs only! Please feel free to contact us any time with any question ! Thank you for your purchase !