Table of Contents
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6.2.1
Basic Functional Test ............................................................................. 41
6.2.2
Tone Transmission Test ......................................................................... 41
6.2.3
Full Duplex Loop Back Test .................................................................... 42
6.3
Troubleshooting ........................................................................................... 42
7
SPECIFICATIONS ....................................................................................... 44
8
APPROVALS AND CERTIFICATIONS ....................................................... 46
Figure 1: 5902 Module Layout ............................................................................................. 9
Figure 2: RS-232 Port Connector (DCE) ............................................................................10
Figure 3: RS-232 Wiring - 5902 (DCE) to DTE ..................................................................11
Figure 4: Four Wire Network ..............................................................................................13
Figure 5: Two Wire Network ..............................................................................................13
Figure 6: Four Wire RJ-45 Connection ...............................................................................14
Figure 7: Two Wire RJ-45 Connection ...............................................................................14
Figure 8: Four Wire Terminal Block Connection .................................................................15
Figure 9: Two Wire Terminal Block Connection .................................................................15
Figure 10: Typical Connection to Maxon Radio ..................................................................17
Figure 11: Typical Connection to Johnson Radio ...............................................................17
Figure 12: Typical Connection to Motorola Radio ...............................................................17
Figure 13: Transmit Timing with Soft Carrier Turnoff .........................................................24
Figure 14: Receive Timing without Soft Carrier Turn-off ....................................................25
Figure 15: Receive Timing with Soft Carrier Turn-off .........................................................25
5902 Bell 202 Modem Hardware Manual
October 19, 2007
Index of Figures
4
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