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MODEL7
MODEL7
MODEL7
MODEL7304
V.35
Optic
Fiber
V.35
V.35
V.35 Optic
Optic Fiber
Optic
Fiber Modem
Fiber
User
User
User
User Manual
Shenzhen
Shenzhen
Shenzhen
Shenzhen 3onedata
3onedata
3onedata Technology
3onedata
Tel: +86-755-26702688 Fax: +86-755-26703485
www.3onedata.com
304
304
304
Modem
Modem
Modem
Manual
Manual
Manual
Technology Co.,Ltd
Technology
Technology
Co.,Ltd
Co.,Ltd
Co.,Ltd
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Table of Contents
Related Manuals for 3One data 7304
Summary of Contents for 3One data 7304
- Page 1 V.35 V.35 Optic Optic Optic Fiber Fiber Fiber Modem Modem Modem User Manual User Manual User User Manual Manual Shenzhen Shenzhen Shenzhen Shenzhen 3onedata 3onedata 3onedata 3onedata Technology Technology Technology Technology Co.,Ltd Co.,Ltd Co.,Ltd Co.,Ltd Tel: +86-755-26702688 Fax: +86-755-26703485 www.3onedata.com...
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Page 2: Table Of Contents
MODEL7304 User Manual Contents Contents Contents Contents 1. 1. 1. 1. Introduction Introduction Introduction Introduction ............................3 2. 2. 2. 2. Product Product Product Features Features Product Features Features ..........................3 3. 3. 3. 3. Specifications Specifications Specifications Specifications ............................. 3 4. 4. 4. 4. Description Description Installation Panels... -
Page 3: Introduction Introduction
MODEL7304 User Manual 1. 1. 1. 1. Introduction Introduction Introduction Introduction MODEL7304 is a high-performance V.35 optic fiber modem developed by using a dedicated integrated circuit. It is to modulate a N×64K V.35 data signal directly over single- or multi-mode optic fiber for a transmission via optic cable line. At another end of the optic cable, optical signal is demodulated into a V.35 data signal. -
Page 4: Description Description On On On Installation Installation Installation And And And Panels Panels
MODEL7304 User Manual Rack-mountable: 19in 4.5U standard casing Power Power Power Power supply supply supply supply： Independent:85V～264V AC input, 5V/2A output -36V～-72V DC input , 5V/2A output Rack-mountable:150V～260V AC input,5V/16A ,12V/1A output -38V～-58V DC input,5V/16A ,12V/1A output Power consumption: 3W Operating temperature: 0°... -
Page 5: Model7304 Model7304
MODEL7304 User Manual 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 status, pseudo-random code test can be made. - Page 6 MODEL7304 User Manual Select the number of time slots according to the expected rate. Normally for an independent type, a time slot setting of automatic tracking Central Site module is selected. Coded switches of plate-clip time slot correspond to S1, S2, S3 and S4. Rear Rear Panel...
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Page 7: Model7304 Application Application
MODEL7304 User Manual � � � � RACK/DC RACK/DC redundancy power supply panel RACK/DC RACK/DC DC DC redundancy redundancy redundancy power power power supply supply supply panel panel panel： RACK/DC RACK/DC RACK/DC RACK/DC DC DC Redundancy Redundancy Redundancy Redundancy Power Power Power Power Supply... -
Page 8: Standard Standard Standard V.35 V.35 V.35 Crossover Crossover Crossover Cable Cable Cable Connection Connection Connection Diagram Diagram Diagram
MODEL7304 User Manual RXD B receiving data line B output EXTCLK exterior clock line A input EXTCLK exterior clock line B input receiving clock line RXCL A output receiving clock line RXCL B output transmitting clock TXCL A output line A transmitting clock TXCL B... -
Page 9: Setting
MODEL7304 User Manual 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 5.3.2 Phase Phase selection selection 5.3.2 5.3.2 Phase Phase selection selection S5.4 is used for the receiving phase selection of V.35 interface. 5.3.3 5.3.3 Settings... -
Page 10: Framing/Non-Framing Framing/Non-Framing
MODEL7304 User Manual V.3 5 Fiber Link V.3 5 Fiber Modem V3 5 Fiber Modem V3 5 Local R e m o te pseudo-random Code Test pseudo-random pseudo-random pseudo-random Code Code Code Test Test Test Remark: Remark: Remark: Pseudo-random sequence code test can be made only under a loopback status. At Remark: this moment, constantly lightening of LOOP and PTOK/CRC lamps shows local status, flash shows remote status;... -
Page 11: Common Common Common Problems Problems
MODEL7304 User Manual 6. 6. 6. 6. Common Common Problems Common Common Problems Problems Problems Common Common Failures Failures Solutions Solutions Common Common Failures Failures and and Solutions Solutions No. Failure Cause Solution power supply 1.Power supply not properly 1.Check power switch jack...