Vega Telex HB-3PLUS Technical Manual Download Page 1 | Manualshive

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Vega Telex HB-3PLUS Technical Manual Download Page 1

Model HB-3PLUS

Headset Adaptor Panel

Technical Manual

March

8,

2005

P.N. 804138 Rev A

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Summary of Contents for Telex HB-3PLUS

Page 1: ...Model HB 3PLUS Headset Adaptor Panel Technical Manual March 8 2005 P N 804138 Rev A ...

Page 2: ...nsole Connections 4 2 3 8 NENA Phone Connections 5 2 3 9 HB 3PLUS to PC Sound Card Connections 5 3 Audio Level Adjustments 6 3 1 Desk Microphone TX Level 6 3 2 NENA Phone Level 6 3 3 Recorder Level 6 3 4 Headset Transmit Level 6 4 Theory of Operation 7 4 1 Console Mode 7 4 2 PC Mode 7 5 Schematics and Parts Lists 7 6 Warranty Service Repair and Comments 8 Table of Figures Figure 1 HB 3PLUS Front V...

Page 3: ...ff hook the headset microphone audio is routed to the phone system and selected radio is transferred back to the SELECT speaker Telephone audio is routed to the headset as long as the system is off hook The HB 3PLUS Features 2 Dual headset jacks Independent SELECT volume controls Switch selectable headset on off 1 Desk microphone input 3 Independent footswitch inputs Power and PTT LED indicator 1 ...

Page 4: ...re a polarity symbol for stereo headsets Internal selectable jumpers set the configuration of each headset port Headset I JMP12 Routes SELECT or UNSELECT audio to the headset A UNSELECT and SELECT audio to headset B SELECT only audio to headset JMP10 11 Sets the DC voltage polarity to the headset mic A DC to the horizontal line jack B DC to the horizontal line jack CAUTION Both JMP10 AND JMP11 Mus...

Page 5: ...ply is included with the HB 3PLUS Power connection is made via a 2 5mm plug receptacle on the rear panel of the unit The positive terminal is the center conductor 2 3 2 Serial Connection The serial port is enabled in the HB 3PLUS when the PC Mode is set by JMP8 The serial port is configured for 9600 baud 1stop bit no parity and DCE connections A serial cable is provided for connection to the PC In...

Page 6: ...ELECT audio to a separate balanced output The UNSELECT Recorder Output is provided at pins 5 and 6 of the middle 6 pin screw terminal block marked UNSEL REC Out Refer to Figure 4 2 3 6 Footswitch Connections The HB 3PLUS provides separate PTT footswitch inputs for the desk mic Headset I and Headset II The PTT function is activated by a contact closure to ground Each input is diode protected from v...

Page 7: ...7 for the Wiring diagram and connector pin out Figure 7 NENA to PC Connections and Pinout 2 3 9 HB 3PLUS to PC Sound Card Connections Three Audio Cables are provided for connection of the HB 3PLUS to the PC sound card and desktop speakers The desktop speakers MUST be amplified Refer to Figure 8 PC with Soundcard L R Amplified Desktop Speakers SPKR IN MIC OUT SPKR OUT Speakers Mic SERIAL Select Uns...

Page 8: ... level may be adjusted through the hole on the bottom plate of the desk microphone This adjustment is usually set mid range Audio level to the console or C Soft application may be set from the DESK MIC LEVEL access point through the bottom of the enclosure 3 2 NENA Phone Level The NENA phone levels may be adjusted from the NENA IN and NENA OUT access points on the bottom of the enclosure 3 3 Recor...

Page 9: ...cuit if PTT is pressed the headset microphone is switched to the console TX circuit and console PTT is applied 4 2 PC Mode With JMP8 in the A position the HB 3PLUS will operate in the PC mode All PTT and Monitor actions are routed to the serial port and sent to the PC as serial commands Headset and desk microphone audio is routed to the MIC OUT jack Headset I TX audio may be switched to either the...

Page 10: ...TO 10 ADDED ITEM 65 ADDED ITEM 66 ADDED ITEM 67 ADDED ITEM 68 ITEM 53 CHANGED PART NUMBER This drawing written description or specification Is a proprietary product of TELEX Lincoln NE and shall not be released disclosed nor duplicated without the written permission of TELEX Telex Communications INC Lincoln Nebraska USA APPROVALS DR BY SBC DATE 01 25 2005 PROD CHK SBC DATE 03 04 05 APPD JRL DATE 0...

Page 11: ...621 4 D13 D14 D17 16 1 LED RT ANG LED RED GRN 508088000 D15 17 6 THYRISTORTVB170SA 710106 F1 F3 F5 F9 F10 F14 18 1 FUSE FUSE AND HOLDER 3 AMP 710105T F13 19 8 FUSE F1250T Teccor Fuse 710109T F2 F4 F6 F7 F8 F11 F12 F15 20 2 FERRITE 0805 FERRITE BEAD 723511T FB1 FB2 21 3 CONN 1 4 STEREO JACK RN112BPC 21 01 028713 J1 J3 J5 22 1 CONN HEADER 10 PIN SHROUDED 650381 J12 23 1 CONN RT ANG DB9 TH 640149 J13...

Page 12: ... 5 723488000T R18 R19 R21 R26 R77 R94 R96 R97 R98 R99 R100 R101 R102 R108 R111 R113 R127 R130 R135 R162 R163 R165 R166 R167 R168 R169 39 1 RES 475K 0603 1 723481465T R20 40 6 RES 100K 0603 1 723481400T R23 R53 R57 R110 R138 R144 41 2 RES 2 7K 0603 5 723488272T R32 R35 42 2 RES 15 OHM 0603 5 723488150T R40 R164 43 2 RES 47 OHMS 0603 5 723488470T R46 R151 44 4 RES 150 OHMS 0603 1 723481117T R5 R79 R...

Page 13: ...d nor duplicated without the written permission of TELEX Telex Communications INC Lincoln Nebraska USA APPROVALS DR BY SBC DATE 01 25 2005 PROD CHK SBC DATE 03 04 05 APPD JRL DATE 03 04 05 880125 REV LEVEL PCB ASSY HB3 PLUS TITLE PART NO A 66 1 RES 5 6K 0603 5 723488562T R72 67 4 RES 18 2K 0603 1 723481229T R15 R16 R122 R124 68 1 RES 2 21K 0603 1 723481233T R9 LN BE Page 4 of 5 ...

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Page 17: ...r limitation of incidental or consequential damages so the above limitation may not apply to you This warranty gives the customer specific legal rights and there may be other rights which vary from state to state Factory Service Center TELEX Communications Inc Vega Signaling Products 8601 East Cornhusker Highway Lincoln Nebraska 68507 Phone 800 752 7560 Fax 402 467 3279 E mail vega telex com Web w...

Page 18: ...ontact Ratings 1A 125Vac Form C Contacts Audio Distortion 2 THD maximum Frequency Response 1 5 dB 300 to 3000 Hz NENA Input Output Impedance 600Ω nominal Dimensions 11 W 28CM x 5 63 D 14 3CM x 1 75 H 4 4CM TELEX Communications Inc Vega Signaling Products 8601 East Cornhusker Highway Lincoln Nebraska 68507 Phone 800 752 7560 Fax 402 467 3279 E mail vega telex com Web www vega signaling com ...

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