Valcom V-9923B Instruction Manual

Other manuals for V-9923B: User Manual, Datasheet

Summary of V-9923B

  • Page 1

    Issue 5 1 947923 v-9923b code call unit introduction the v-9923b code call unit provides two or three digit code call paging via a loop start trunk port on a pabx or by the use of a spare line button on a key system. The v-9923b complies with part 68 of the fcc rules and regulations and has been gra...

  • Page 2

    2 947923 nominal timing and frequency specifications the timing and frequency specifications of the valcom v-9923b code call unit are shown in table 1. Figure 1 is a timing chart showing the nominal timing of a code call. Table 1 dial tone frequency 180hz coded tone frequency 550hz time tones broadc...

  • Page 3

    3 947923 installation precautions all precautions have been taken at the factory to insure that the equipment functions properly when installed correctly. Please follow the precautions listed below before applying power to the equipment or the equipment may be damaged and the warranty voided. A) if ...

  • Page 4

    4 947923 power connections the connections required to connect the v-9923b to a power supply are shown in figure 6. Correct polarity must be observed for the unit to function properly. Output connections the v-9923b contains a tone generator and isolation transformer to allow direct hook-up to the p...

  • Page 5

    5 947923 table 2 troubleshooting chart problems probable causes and solutions no dial tone no tone output unit doesn't answer unit cuts off on answer verify power connections; check operation of unit by placing test telephone across the t and r leads and going off hook. If dial tone present, check w...

  • Page 6

    6 947923 26 1 27 2 28 3 29 4 30 5 31 6 32 7 33 8 34 9 35 10 36 11 37 12 38 13 39 14 40 15 41 16 42 17 43 18 44 19 45 20 46 21 47 22 48 23 49 24 50 25 w/bl bl/w w/o o/w w/g g/w w/br br/w w/s s/w r/bl bl/r r/o o/r r/g g/r r/br br/r r/s s/r bk/bl bl/bk bk/o o/bk bk/g g/bk bk/br br/bk bk/s s/bk y/bl bl/...

  • Page 7

    7 947923 part of pbx loop start outgoing c.O. Trunk (rotary or t.T.) pbx analog station port t r t r t r to ro w/bl (1) bl/w (2) w/br (7) br/w (8) figure 4 connections of v-9923b to pabx t r w/bl (1) bl/w (2) part of connecting block row b inh l g/w (6) w/o (3) o/w (4) ls to 10 vac on power supply t...

  • Page 8

    8 947923 bk/bl bl/bk diode 1n4003 or eq. (portion of connecting block) dc power supply depends on relay requirements relay coil figure 7 connections of v-9923b for operating a dc slave relay three digit operation two digit operation no code verification code verification must be in the on position s...