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V.35 Fiber Modem

User Manual

Version: 2.0.2

Data: 03.07.2005

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Summary of Contents for HPO-V35

Page 1: ...V 35 Fiber Modem User Manual Version 2 0 2 Data 03 07 2005 ...

Page 2: ... mountable casing 7 5 V 35 Fiber Modem Application 8 5 1 Definition of signal lines at V 35 interface 8 5 1 1 Distribution diagram of guiding feet on M34 cored jack 8 5 1 2 Definition of signal lines at V 35 interface 9 5 2 Standard V 35 crossover cable connection diagram 9 5 3 Sittings of switch and jumper 10 5 3 1 Clock setting 10 5 3 2 Phase selection 10 5 3 3 Settings of loopback test and pseu...

Page 3: ...k function Support pseudo random code test function 120km trunking free transmission distance for single mode optic fiber Capable to be communicated with FE1 Fiber Modem Available with complete line detection and alarm indications Available with independent structure and 19 inch Rack mountable structure Rack mountable structure can be inserted with 16 modules AC 220V and DC 48V inputs may be selec...

Page 4: ...V DC input 5V 16A 12V 1A output Power consumption 3W Operating temperature 0 50 Storage temperature 20 80 Humidity 5 90 free of condensate 4 Description on Installation and Panel 4 1 Unpacking After the equipment is unpacked a check shall be done for the completeness If any part is found missing please immediately contact our representative offices or agents Complete packing shall include the foll...

Page 5: ...htening indicates the alarm with local device Flash indicates the alarm with opposite device LOOP Indicator lamp of loopback test status When local device is at a loopback status the lamp flashes When local device is not at a framing mode it is unable to detect whether opposite device is at a loopback test status PTOK Indicator lamp of pseudo random code test When the device is at a loopback statu...

Page 6: ...back ON valid S5 6 Local digital loopback V 35 interface loopback ON valid S5 7 Remote digital loopback V 35 interface loopback ON valid Valid at framing mode 0 time slot unused S5 8 Pseudo random code test ON valid and valid at loopback status V 35 Fiber Modem bottom coded switch Baseplate Coded Switch After time slot 0 is valid other coded switches in whatever positions are all valid Select the ...

Page 7: ...upon data receiving at V 35 TXD lightening upon data sending from V 35 LOS lightening when the optic line gets lost LOF lightening after a synchronization of data out of frame TEST lightening during loopback test equivalent to LOOP PTOK lightening after a successful pseudo random code test RACK rear panel RACK Rear Panel This panel is composed of three small panels as described below V 35 Fiber Mo...

Page 8: ...edundancy power supply panel RACK DC DC Redundancy Power Supply Panel 40 60 VDC DC 48V input connector FG grounded with terminals connected with 48V input ON OFF power switch 5V 5V main power supply indicator lamp 12V 12V fan power supply indicator lamp 5 V 35 Fiber Modem Application 5 1 Definition of signal lines at V 35 interface 5 1 1 Distribution diagram of guiding feet on M34 cored jack Distr...

Page 9: ...ready input P TXD A transmitting data line A input S TXD B transmitting data line B input R RXD A receiving data line A output T RXD B receiving data line B output U EXTCLK A exterior clock line A input W EXTCLK B exterior clock line B input V RXCL A receiving clock line A output X RXCL B receiving clock line B output Y TXCL A transmitting clock line A output AA TXCL B transmitting clock line B ou...

Page 10: ...ceiving timing and the received data after buffering is synchronized with optic interface receiving timing Under this timing mode local time slot setting can automatically track the opposite time slot setting Local main timing S5 1 ON S5 2 ON the sending timing is of local crystal OSC and the received data after buffering is synchronized with local timing 5 3 2 Phase selection S5 4 is used for the...

Page 11: ...nt all time slots of E1 are used for transmitting the data from V 35 interface at a rate of 2048Kbps Through a transmission of loopback command from local device to remote device the command remote loopback is achieved Remote Loopback S5 8 Pseudo random code test control PATT OFF indicates normal operation ON indicates pseudo random sequence test The default is OFF It generates a pseudo random seq...

Page 12: ...S0 setting is used for specifying E1 frame to be transparent or framing 0 framing 1 non framing But the bit has to be specified in combination with other time slots TS16 setting is used for controlling E1 frame structure to be PCM30 CAS or PCM31 CCS 0 PCM30 at this moment 16th time slot must not be used for transmission service 1 PCM31 16th time slot can be used for transmission service Besides TS...

Page 13: ...interface not clean 2 Optic fiber not well inserted 3 Wrong clock setting 4 Time slots of the devices at two ends not conformance 5 Internal circuit damaged 1 Clean the connector of optic interface 2 Insert the SC connector in place 3 Refer to the description on rear panel 4 Returned to the manufacturer for repair 3 LOS data loss alarm lamp lightening 1 Optic fiber in wrong interconnection 2 Optic...

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