Datum Systems PSM-500 Appendix Download Page 13

Page: 13 / 13

Rev 0.11

Page G.703-13

Verify that the BER tester is able to achieve data synchronization and there are no errors. Once
the test is finished, remove the test mode by setting the IF Loopbck to Disable. The unit is now
ready for normal operation.

Summary of Contents for PSM-500

Page 1: ...ard is not already installed in the modem refer to Section 4 for installation information Typical use of the G5 interface is in a duplex point to point link with a similarly configured PSM 500 series...

Page 2: ...interface operates at a nominal rate of 2 048Mbps The data transferred over the E1 transport stream is organized in frames Each E1 frame contains 256 bits which are comprised of 32 timeslots each cont...

Page 3: ...of voice and data channels share a separate channel that is used only for control signals This signaling protocol can be SS7 ISDN or PBX Switch Proprietary protocols The channel used for common channe...

Page 4: ...G 703 E1 Interface from the front panel From the front panel you would select Intf I O Mode for the G 703 option This is accomplished by pressing the Int f button to the right of the LCD display then...

Page 5: ...03 interface Other options may be added in the future I O RTS Ignore Selection 0 Normal 1 Control CXR 2 Ignore Interface RTS line control I O CTS Normal Selection 0 Normal 1 Force Active Interface CTS...

Page 6: ...lection 0 Full E1 1 PCM30 CAS 2 PCM31 CCS Input Framing selection Full E1 Unframed Mode G703P1 TxCRC4 Enable Selection 0 Disable 1 Enable Cyclic Redundancy Check for error reporting G703P1 TxNx64k 512...

Page 7: ...eys to change Timeslot number Press enter to program all timeslots Used for FractionalE1 mode to select which timeslots 1 31 that are to be dropped from the input E1 framed signal and transmitted over...

Page 8: ...ion See Main User Manual for Description Test ModBER Disabled Selection 0 Disable 1 2047 2 2 23 1 3 Insert 1 Error if enabled BERT enable to modem transmit input Test DemodBER Disabled Selection 0 Dis...

Page 9: ...t 1 Table 2 Port 1 Port 2 Connector 120 ohm Balanced Pinouts RJ48c Signal Name Description Direction Pins SD T Send Data Tip To Modem 1 SD R Send Data Ring To Modem 2 RD T Receive Data Tip From Modem...

Page 10: ...ble for command line control and monitor of the Optional G5 processor card Table 4 Console Connector Pinouts 9 pin D female Signal Name Description Direction Pins Notes RXD Console RX From Modem 2 EIA...

Page 11: ...voltages and result in harm to personnel and equipment 3 1 Installing the G5 Interface Position the rear option plate supplied into the chassis and align the mounting plate holes with the holes in the...

Page 12: ...he receive data port by using the Local Loopback settings on the front panel Intf Test menu Refer to the front panel configuration menus in the PSM 500 I O Manual and Table 1 above for setup informati...

Page 13: ...13 Verify that the BER tester is able to achieve data synchronization and there are no errors Once the test is finished remove the test mode by setting the IF Loopbck to Disable The unit is now ready...

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Datum Systems PSM-500, Appendix

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