NEC Neax 2400 Imx Installation Manual
Here you can view all the pages of manual NEC Neax 2400 Imx Installation Manual. The NEC manuals for Communications System are available online for free. You can easily download all the documents as PDF.
Page 111
NDA-24234 CHAPTER 3 Page 81 Revision 3.0 INSTALLATION PROCEDURE 4. BRANCHING OF POWER CABLES NAP-200-008 Sheet 10/13 Connection of Power and Ground Cables from the Power Equipment START Stripping Main and Branch Cable Referring to Figure 008-8, strip insulation coating with an electrician’s knife. Avoid damage to the conductor during the stripping process. Inserting of Cables into Terminal Insert the stripped main wire and branch wire into the terminal as shown in Figure 008-9. Clamping for...
Page 112
CHAPTER 3 NDA-24234 Page 82 Revision 3.0 INSTALLATION PROCEDURE Figure 008-8 Stripped Length of Main and Branch Cable NAP-200-008 Sheet 11/13 Connection of Power and Ground Cables from the Power Equipment Table 008-1 Stripped Length APPLICABLE TERMINALSTRIPPED MAIN-WIRE LENGTH I 1 [inch (mm)]STRIPPED MAIN-WIRE LENGTH I 2 [inch (mm)] T-20 Approx. 1.2 (28) Approx. 1.0 (24) T-26 1.3 (32) 1.2 (28) T-44 1.5 (37) 1.3 (33) T-60 1.6 (40) 1.5 (36) T-76 1.7 (42) 1.6 (39) T-98 1.8 (44) 1.7 (41) T-122 1.7–1.9...
Page 113
NDA-24234 CHAPTER 3 Page 83 Revision 3.0 INSTALLATION PROCEDURE Figure 008-9 Inserting of Cables into Terminal Figure 008-10 Clamping for Branch Jointing NAP-200-008 Sheet 12/13 Connection of Power and Ground Cables from the Power Equipment 1/8 inch (1 - 2 mm) BRANCH CABLEMAIN CABLE BEND PRIOR TO INSERTION T TYPE TERMINAL Note:Prevent the wires from slipping out of the clamp ter- minal by holding them firmly. Check the indication of the pressure regulator. Operate the pressure release lever to...
Page 114
CHAPTER 3 NDA-24234 Page 84 Revision 3.0 INSTALLATION PROCEDURE Figure 008-11 Taping Figure 008-12 Covering NAP-200-008 Sheet 13/13 Connection of Power and Ground Cables from the Power Equipment Note:Taping should be done in two rounds with the tape overlapping half the tape width. INSULATION TAPE 4-1.2 in (10 - 30 mm) More than.4 in (10 mm) INSULATION COVER
Page 115
NDA-24234 CHAPTER 3 Page 85 Revision 3.0 INSTALLATION PROCEDURE This NAP explains the following work items: Extraction of Mounted Circuit Cards Mounting of Circuit Cards Setting of Switch Positions on Circuit Cards Installation of CPR 1. PRECAUTIONS 1.1. Protection Against Static Electricity When setting switches on circuit cards, use a Portable Field Service Grounding Kit in order to prevent damage to static-sensitive components. Example: 3M Model 8012, consists of: 2 × 2 VELOSTAT ® Wo r k M...
Page 116
CHAPTER 3 NDA-24234 Page 86 Revision 3.0 INSTALLATION PROCEDURE 2. EXTRACTION OF MOUNTED CIRCUIT CARDS NAP-200-009 Sheet 2/11 Setting of Switch Positions and Mounting of Circuit Cards START Remove the Card Stopper Referring to Figure 009-1, remove the card stopper from the module. Extract Circuit Cards Referring to Figure 009-2, pull the card puller tabs in the direction indicated by the arrow. The card will release from the connector and can then be removed. Pull the card out about 50 mm (2 inches)...
Page 117
NDA-24234 CHAPTER 3 Page 87 Revision 3.0 INSTALLATION PROCEDURE Figure 009-1 Removal of Card Stopper NAP-200-009 Sheet 3/11 Setting of Switch Positions and Mounting of Circuit Cards AT T E N T I O NContents Static Sensitive Handling Precautions Required CARD STOPPER PAN HEAD SCREW (M3, 8mm (.3 inches) length) SPRING WASHER (M3) PLAIN WASHER (M3) Remove the card stopper from the module using a phillips-head screwdriver.(PL-C.P.l. MS3815BF)
Page 118
CHAPTER 3 NDA-24234 Page 88 Revision 3.0 INSTALLATION PROCEDURE 3. MOUNTING OF CIRCUIT CARDS NAP-200-009 Sheet 4/11 Setting of Switch Positions and Mounting of Circuit Cards START Unpacking the Circuit Cards Unpack each circuit card and remove it from its polyethylene bag. Clean the connector portion of the Circuit CardsWipe the connector portion clean using a soft cloth moistened with pure trichloroethylene or methanol (medical alcohol). Make sure that no lint or dust remains on the connector...
Page 119
NDA-24234 CHAPTER 3 Page 89 Revision 3.0 INSTALLATION PROCEDURE 4. SETTING OF SWITCH POSITIONS ON CIRCUIT CARDS NAP-200-009 Sheet 5/11 Setting of Switch Positions and Mounting of Circuit Cards START Extracting the Circuit Cards from the ModuleExtract one circuit card requiring switch setting from the module. Place the extracted card onto the anti-static sheet. Perform switch setting Set the required switches according to the Switch Setting Sheets in the Circuit Card Manual. Mounting of Circuit Cards...
Page 120
CHAPTER 3 NDA-24234 Page 90 Revision 3.0 INSTALLATION PROCEDURE NAP-200-009 Sheet 6/11 Setting of Switch Positions and Mounting of Circuit Cards AT T E N T I O NContents Static Sensitive Handling Precautions Required About 50 mm (2 inches) About 50 mm (2 inches) CIRCUIT CARDS CARD PULLER TAB Figure 009-2 Extraction of Circuit CardsFigure 009-3 Circuit Card Mounting (Partial Insertion)