Cross Technologies 210-01 Instruction Manual Download Page 12

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3.2.3 Tuner Load - The microprocessor programs the tuner, A1. The
microprocessor refreshes the tuner approximately every 30 seconds.

CROSS TECHNOLOGIES, INC.

6170 SHILOH ROAD

ALPHARETTA, GEORGIA 30005

Phone (770)-886-8005

Toll Free (888)-900-5588

FAX (770)-886-7964

WEB www.crosstechnologies.com

E-MAIL [email protected]

210-01 manual Rev B

Page 12

2/18/00

Summary of Contents for 210-01

Page 1: ...o crosstechnologies com Data drawings and other material contained herein are proprietary to Cross Technologies Inc and may not be reproduced or duplicated in any form without the prior permission of...

Page 2: ...210 01 manual Rev B Page 2 2 18 00...

Page 3: ...products are warranted against defective materials and workmanship for a period of one year after shipment to customer Cross Technologies Inc s obligation under this warranty is limited to repairing...

Page 4: ...the data matches the location code of this unit it switches audio from an external audio source to the paging audio A Carrier Presence LED Data Activity LED and Power LED indicates the operating stat...

Page 5: ...requency Response 2 dB 50 Hz to 12 kHz Level 8 dBm PPL adjustable Impedance out 100 ohms unbalanced S N 50 dB Data Channel Characteristics Type AFSK Rate BER 9600 baud 10 6 Controls Location Code Two...

Page 6: ...t derives DC from the wall power supply 12V unregulated See Figure 2 1 IF LVL REM GAIN ALARM FREQUENCY GHZ TUNE 8 1 3 3 2004 TEST UPCONVERTER CROSS TECHNOLOGIES INC 25 45 65 UP DOWN FIGURE 2 1 SERIES...

Page 7: ...DC POWER AUDIO OUT RF IN J1 J3 J2 CROSS TECHNOLOGIES INC AUDIO LEVEL J3 RF Input The 50 to 300 MHz input This is a 75 F female connector at 20 to 70 dBm input level J2 Audio Out The switched audio ou...

Page 8: ...el pot R47 to the desired paging volume 11 Using a small flat blade screwdriver CAREFULLY adjust the external audio level through the hole on the top back of the chassis 12 Note the proper pages reach...

Page 9: ...To remove U10 and replace it with a new controller at a different frequency 1 Remove DC Power 2 Remove four 4 rear panel screws see Figure 2 1 3 Gently pull the backplane and PCB assembly completely o...

Page 10: ...and U5A provide a 12 kHz lowpass filter for the audio signal and U5B is the output audio amplifier The demodulated FM signal from U1 U9 also goes to 21 31 kHz bandpass filter which selects the AFSK d...

Page 11: ...es contain the bit assigned address of each 210 01 which is to enable and provide paging audio A1 A12 These twelve address bytes select 96 bit assigned addresses for control of the audio for each addr...

Page 12: ...refreshes the tuner approximately every 30 seconds CROSS TECHNOLOGIES INC 6170 SHILOH ROAD ALPHARETTA GEORGIA 30005 Phone 770 886 8005 Toll Free 888 900 5588 FAX 770 886 7964 WEB www crosstechnologie...