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IT-7304-PC 

V.35 Optic Fiber Modem 

User Manual 

 

 

 

 

 

 

 

 

 

 

 

Содержание IT-7304-PC

Страница 1: ...IT 7304 PC V 35 Optic Fiber Modem User Manual...

Страница 2: ...pplication 6 5 1 Definition of signal lines at V 35 interface 6 5 1 1 Distribution diagram of guiding feet on M34 cored jack 6 5 1 2 Definition of signal lines at V 35 interface 6 5 2 Standard V 35 cr...

Страница 3: ...nicated 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 inse...

Страница 4: ...V 35 Fiber Modem IT 7304 PC One V 35 Fiber Modem Operation Manual One power line V 35 Fiber Modem AC Please also contact our representative offices or agents for any transportation damage found with t...

Страница 5: ...ber with TX as the sending terminal and RX as the receiving terminal There is a coded switch S5 on the panel which is used as the system configuration switch to set such functions as clock time slot p...

Страница 6: ...48V power supply connector The others are the same as AC Rear Panel 4 3 Front Rear panels of Rack mountable casing RACK front panel Front Panel of RACK 5V 5V main power supply indicator lamp 12V 12V...

Страница 7: ...cy 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...

Страница 8: ...ion output H DTR data terminal 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 EXT...

Страница 9: ...m the clock S5 1 OFF S5 2 ON the sending timing is optic interface receiving timing and the received data after buffering is synchronized with optic interface receiving timing Under this timing mode l...

Страница 10: ...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 lo...

Страница 11: ...switches to OFF indicates that 6th and 7th time slots are selected with a rate of 2 64K 128K TS0 setting is used for specifying E1 frame to be transparent or framing 0 framing 1 non framing But the b...

Страница 12: ...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...

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