Paradyne 3510 - Manuals

3 5. Perform the Device Test as described in the Operation section of the User’s Guide. If the DSU fails this test, replace the DSU. 6. Connect the network interface. The Model 3510 DSU’s rear panel contains a miniature universal service orderingcode (USOC) type RJ48S jack for connecting your DSU to...

4 Model 3511 DSU Installation This section includes the installation procedures for the Model 3511 DSU, which isdesigned for installation in a COMSPHERE 3000 Series Carrier. Before installing theDSU, verify that the carrier has been installed properly and is operational. CAUTION: Discharge any stati...

5 Installing the Rear Connector Plate To install a DSU and its rear connector plate for the first time: Procedure 1. Configure the DSU to meet the requirements of the application (refer to Hardware Strapping on page 8). Do not disable the front panel switches at this time. 2. At the rear of the carr...

6 5. At the front of the carrier, hold the DSU vertically with the latch on its faceplate in the open position. Then, insert the circuit card into the top and bottom circuit cardguides for the slot that contains the rear connector plate. 6. Aligning the circuit card with the rear connector plate, sl...

7 25-Pin Connector V.35 Adapter V.35 Cable Thumbscrews 99-16298 Model 3511 DSU V.35 Adapter Installation (Feature Number 3000-F1-510) Connecting to the Digital Network The installed DSU is connected to the digital network through the 50-pin connectors onthe rear of the carrier. These interfaces are ...

8 Hardware Strapping Both Model 3510 and 3511 DSUs can be configured for installation at the local orremote end of a network by setting onboard straps. The straps also allow you toconfigure either type of DSU (Model 3510 or 3511) as a LADS for connection to 4-wiremetallic circuits. 98-12303a S1 S3 S...

9 For the Model 3510 DSU, the straps are concealed behind the faceplate. To remove the faceplate to change the hardware straps: Procedure 1. With your thumbs under the edge of the front bezel, firmly press upward to lift the bezel from the tabs securing it in place. 2. Swing the front bezel up and s...

10 Table 1. Straps S1 through S5 (1 of 2) Switch Selection Position Function S1–1S1– 2 S1– 3 S1– 4 S1– 5 S1– 6 —— R F R F R F R F See Table 2, Timing Signal Source SelectionSee Table 2, Timing Signal Source Selection Disables circuit assurance function (Default)Enables circuit assurance function Hol...

15 Table 4. Network Address Selection for Model 3510 (4 of 4) Network Address Switch S4 Selection Network Address 6 5 4 3 2 1 56 F F F R R R 57 F F F R R F 58 F F F R F R 59 F F F R F F 60 F F F F R R 61 F F F F R F 62 F F F F F R 63 F F F F F R 64 (Default) R R R R R R F = Front R = Rear DSU Strap ...

16 S1-4: DSR Normal during Local Loopback – DSR ON during Local Loopback. Whenenabled, this strap forces the DSR lead ON during a Local Loopback. This allows DTEsthat rely on DSR being on to send test messages to the DSU. When disabled, DSR is turned Off during a Local Loopback. S1-5: Elastic Store ...

18 ! Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. This product is intended to be used with a 3-wire grounding type plug – a plug which has a grounding pin. This is a safety feature. Equipment grounding is vi...

19 Notices ! WARNING: ! WARNING: ! Government Requirements Certain governments require that instructions pertaining to connection to the telephonenetwork be included in the installation and operation manual. Specific instructions arelisted in the following sections. United States – Notice to Users o...

20 No repairs may be performed by the user. Should you experience difficulty with thisequipment, refer to Warranty, Sales, Service, and Training Information inside the cover of this document. For Digital Data Service (DDS) installations, inform the local telephone company of theappropriate facility ...