Raisecom RC904-V35FE1-BL User Manual Download Page 1

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RC904-V35FE1-BL

V35 to fractional E1balanced interface

converter

User manual

REV.C

Raisecom technology Co., Ltd

(10/2005)

Summary of Contents for RC904-V35FE1-BL

Page 1: ...RC904 V35FE1 BL V35 to fractional E1balanced interface converter User manual REV C Raisecom technology Co Ltd 10 2005 ...

Page 2: ...s strictly forbidden RC904 V35FE1 BL also provides standard E1 port that is compliant with ITU T norm to avoid damaging E1 port there must be grounding protection and the voltage between the two ends shielded layer of coaxial cable cannot be too high RC904 V35FE1 BL is an integrated device that has precise elements please avoid violent shakes and impacts and do not disassemble or maintain the devi...

Page 3: ...Raisecom Technology Co Ltd 2 not disassemble the device yourself we regard it as you waiver your rights of repair guarantee ...

Page 4: ...lanation 5 3 Parameters 6 3 1 V35 interface characteristic 6 3 2 E1 interface characteristic 6 3 3 Cable type 6 3 4 Power consumption 6 3 5 Dimensions 7 3 6 Environment requirements 7 4 How to use 8 4 1 Front panel 8 4 2 DIP Switch Setting 10 5 Installation Preparation 18 5 1 Installation preparation 18 6 Q A 19 7 Appendix How to make cable 21 ...

Page 5: ...ance is 1800m z Utilize ITU T G 704 frame format to adjust the bandwidth of V35 interface z Diversified E1 cable alarms provide local and remote alarm index z Support local and remote loop back function for error code test z Support both E1 fractional frame format and transparent frame format and in fractional mode all the time slots are available for configuration z Provide 3 kinds of clock mode ...

Page 6: ...ser module one V35 port HDB26 male one pair 75Ω coaxial ports support local network management RC903 V35FE1 Standalone device one V35 port M34 female one pair 75ΩBNC coaxial ports one120ΩRJ45 port The shadow part is the device type this manual describes RC903 V35FE1 standalone device includes RC903 V35FE1 AC RC903 V35FE1 DC and AC DC stand for the power supply type RC903 904 V35FE1 series converte...

Page 7: ...ced Connector RJ 45 connector Electrical feature Compliant with ITU T G 703 Other feathers Transfer feature jitter tolerance compliant with ITU T G 823 G 724 3 3 Cable type When connect HDB26 interface with DTE devices such as routers affixing CBL V35 HDB26M M34F cable provided by Raisecom is required If there is not enough cable you can order from Raisecom When connect HDB26 with other company DC...

Page 8: ...Raisecom Technology Co Ltd 7 3 5 Dimensions 91mm W 25mm H 178mm D 3 6 Environment requirements Temperature 0 45 Humidity 90 25 ...

Page 9: ...alarm LOMF alarm CRC4 error alarm or Coding Violation alarm In transparent mode there are local E1 Rx alarms AIS alarm or Coding Violation alarm Yellow Flicking There are remote Rx alarms AIS alarm G704 LOF alarm G704 LOMF alarm CRC4 alarm and Coding Violation alarm only when pair used the devices and in E1 fractional mode Note RC904 V35FE1 BL supports CRC4 auto adapt function when there is CRC4 i...

Page 10: ...Ground GND B Receive Data A RD A O R Receive Data B RD B O T Receive Timing A RCK A O V Receive Timing B RCK B O X Send Data A TD A I P Send Data B TD B I S Send Timing A TCK A O Y Send Timing B TCK B O AA Terminal Timing A SCTE A I U Terminal Timing B SCTE B I W Request to Send RTS I C Clear to Send CTS O D Data Set Ready DSR O E Data Carrier Detect DCD O F Data Terminal Ready DTR I H z E1 interf...

Page 11: ... the DIP switches before install the module into the chassis z Time slot configuration DIP switches SW1 to SW4 Time slot configuration switches are SW1 SW2 SW3 and SW4 In the following table indicates ENABLE and indicates DISABLE SW1 definition Default status OFF 1st bit 2nd bit 3rd bit 4th bit 5th bit 6th bit 7th bit 8th bit Definition Frame format TS1 TS2 TS3 TS4 TS5 TS6 TS7 ON Fractional OFF Tr...

Page 12: ... frame format If SW3 1 TS16 is disabled the device works in PCM30 frame format z Function select DIP switch SW5 The function select DIP switch is SW5 In the following table indicates ENABLE and indicates DISABLE SW5 definition 1st bit 2nd bit 3rd bit 4th bit 5th bit 6th bit 7th bit 8th bit Definition Timing Clock 1 Timing Clock 2 TS_FLOW Time slot follow switch BERT Error bit test RX CLK Phase ALO...

Page 13: ...N and enable the auto follow function then local time slots and frame format PCM30 PCM31 will follow that of remote device 3 4th bit error code test switch BERT default status OFF SW5 4th bit ON Enable inside error code test OFF Disable inside error code test Inside the device there is an error code test unit that generates pseudo random sequences in 2E15 1 Std format and transmits the sequences t...

Page 14: ...ive RX CLK rising edge updates RD signal RX CLK RD Note the TX CLK and TD phase is auto adjust and does not need to configure 5 6th 7th and 8th bits loop back test switches default status OFF The 6th 7th and 8th bits can control 3 types of loop back tests please be attention that only one kind of loop back test can enable at one time two or more loop back tests are not allowed to enable at one tim...

Page 15: ...e fault pass through function alarms of optical Rx and Tx will be passed through to DCD and CTS signal of V35 interface when disable fault pass through function DSR DCD and CTS will always valid If there are local alarms of RC904 V34FE1 BL there will be fault of RC904 and then DCD signal of V35 interface will be shutdown and DTE device will response If there are remote alarms of RC904 V34FE1 BL th...

Page 16: ...ects the input wave and compensates 15dB at most to adjust input E1 signal and this function is used for cable loss frequency but not flat loss resistive Gain Mode Equalizer detects the input wave and compensates 29dB at most to adjust input E1 signal and this function is used for flat loss resistive cable loss frequency The relationship between hardware configuration DIP switches and software con...

Page 17: ...and remote converter should be at slave clock mode follow E1 link clock z Point to point Terminal clock Slave clock topology When remote DTE equipments must follow local DTE equipments output clock namely TX CLOCK of local DTE is internal clock source local converter is configured in terminal clock mode and local converter in slave clock mode V 35 interface of local DTE equipment must configure cl...

Page 18: ...erface parameters of E1 line must first be confirmed such as fractional transparent E1 PCM30 31 CRC enable disable relationship of clock bandwidth distribution and time slots occupied etc If any one of those does not match the setting of the converter s there will be problems in connection In this case if both ends equipments work in fractional E1 mode the clock relationship can be easily omitted ...

Page 19: ...inverse connection of positive and negative polarity is forbidden Deployments z In equipment room this must be kept clean and with air conditioning devices z Recheck configuration switches and other parameters Test of connection z Make sure that no alarm in local equipment z Check if local DTE equipment can communicate with remote equipment If the data communication cannot be processed then check ...

Page 20: ...and yellow alternately when enable loop back function and use BERT Answer It will take 3 to 5 seconds for the device initialization and during this time the status of indicator lights is not normal 4 When there is conflict between network management software and hardware DIP switches which privilege is higher Answer CPU only reads DIP switches configuration once thereafter it will read network man...

Page 21: ...ed 7 Compatibility of Raisecom products with V 35 interface Answer RC800 30B FV35 series can also interoperate with other Raisecom products that have similar functions such as z RC903 V35FE1 standalone V 35 to fractional E1 interface converter z RC904 V35FE1 module V 35 to fractional E1 interface converter z SUBM FV35 N 64K V 35 interface extension module that can be installed in extendable optica...

Page 22: ...female interface M34 female interface 1 PGND A 2 TD A P 3 RD A R 4 RTS C 5 CTS D 6 DSR E 7 GND B 8 DCD F 11 TD B S 15 TCP A Y 16 SCTE B W 17 RCP A V 20 DTR H 21 RD B T 23 TCP B AA 24 SCTE A U 25 RCP B X Other pins do not connect cable Requirement the cable material is better than 80 30V CBL V35 HDB26M M34M X cable explanation This is cross cable used to connect V35 DCE interface of DDN type If the...

Page 23: ...Signal name pin number pin number Signal name TD A P 3 RD A TD B S 21 RD B RD A R 2 TD A RD B T 11 TD B RCLK A V 24 SCTE A RCLK B X 16 SCTE B SCTE A U 17 RCLK A SCTE B W 25 RCLK B SGND A 1 SGND GND B 7 GND TCLK A Y not connect 15 TCLK A TCLK B AA not connect 23 TCLK B DCD F 8 DCD DSR E 6 DSR CTS D 5 CTS RTS C 4 RTS DTR H 20 DTR Other pins do not connect cable Requirement the cable material is bett...

Page 24: ...Raisecom Technology Co Ltd 23 2005 Raisecom Technology Co Ltd All trademarks are the property of their respective owners Technical information may be subject to change without prior notification ...

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