Model7 model7 model7 model7304 304 304 304 v.35 v.35 v.35 v.35 optic optic optic optic fiber fiber fiber fiber modem modem modem modem user user user user manual manual manual manual shenzhen shenzhen shenzhen shenzhen 3onedata 3onedata 3onedata 3onedata technology technology technology technology c...
Model7304 user manual page 2 of 11 contents contents contents contents 1. 1. 1. 1. Introduction introduction introduction introduction ..........................................................................................................................................3 2. 2. 2. 2. Product produ...
Model7304 user manual page 3 of 11 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 ...
Model7304 user manual page 4 of 11 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 ou...
Model7304 user manual page 5 of 11 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. If t...
Model7304 user manual page 6 of 11 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 rear rear ...
Model7304 user manual page 7 of 11 rack/dc rack/dc rack/dc rack/dc dc dc dc dc redundancy redundancy redundancy redundancy power power power power supply supply supply supply panel panel panel panel： rack/dc rack/dc rack/dc rack/dc dc dc dc dc redundancy redundancy redundancy redundancy powe...
Model7304 user manual page 8 of 11 5.2 5.2 5.2 5.2 standard standard standard standard v.35 v.35 v.35 v.35 crossover crossover crossover crossover cable cable cable cable connection connection connection connection diagram diagram diagram diagram v.35 feet v.35 feet cgnd a ————— a cgnd gnd b ————— b...
Model7304 user manual page 9 of 11 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 5.3.2 5.3.2 phase phase phase phase selection selection selection selection s5.4 is used for the...
Model7304 user manual page 10 of 11 pseudo-random pseudo-random pseudo-random pseudo-random code code code code test test test test remark: remark: remark: remark: pseudo-random sequence code test can be made only under a loopback status. At this moment, constantly lightening of loop and ptok/crc la...
Model7304 user manual page 11 of 11 6. 6. 6. 6. Common common common common problems problems problems problems common common common common failures failures failures failures and and and and solutions solutions solutions solutions no. Failure cause solution 1 pwr power supply indicator lamp not lig...
