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Summary of Contents for Intellisystem IT-7301-PC
- Page 1 User Manual IT-7301-PC...
- Page 2 Statement Copyright Notice Information in this document is reserved by Intellisystem Technologies. Reproduction and extract without permission is prohibited. Agreement As the product version upgrades or other reasons, this document is subject to change without notice. Unless other agreement, this document only as a guide to use. all statement, information and suggestion in this document, without warranty of any kind, either expressed or implied.
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Page 3: Table Of Contents
4.2 FRONT/REAR PANELS OF AN INDEPENDENT CASING ..................5 4.3 FRONT AND REAR PANELS OF RACK MOUNTABLE CASING ................7 5. IT-7301-PC APPLICATION ............................9 5.1 E1 CONFIGURATION ..............................9 5.2 CONNECTION THE TWISTED PAIR (120 OHM) TO THE G.703 NETWORK ............9 5.3 SITTINGS OF SWITCH AND JUMPER ........................ -
Page 4: Product Overview
1. Product Overview IT-7301-PC is a high-performance E1 fiber optic modem developed by using a dedicated integrated circuit. It is to modulate a non-framing E1 data signal directly into 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 non-framing E1 data signal. -
Page 5: Description On Installation And Panel
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 following items (for an independent product): One set of IT-7301-PC E1 Fiber Modem One IT-7301-PC Operation Manual ... -
Page 6: Front/Rear Panels Of An Independent Casing
4.2 Front/rear panels of an independent casing IT-7301-PC front panel： Front panels of IT-7301-PC POWER：Power supply indicator lamp. Constantly lightening after the machine is turned on. E1 LOF：Alarm indicator lamp for input signal out-of-frame in E1 line. Constantly lightening indicates the alarm with local device;... - Page 7 S5.7: Remote digital loopback (remote optic interface loopback), ON valid. Non-framing mode is invalid. S5.8: Pseudo-random code test, ON valid, and valid at loopback status. IT-7301-PC bottom coded switch： 1 2 3 4 5 6 7 1 2 3 4 5 6 7...
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Page 8: Front And Rear Panels Of Rack Mountable Casing
4.3 Front and rear panels of Rack mountable casing RACK front panel： RACK Front Panel +5V：5V main power supply indicator lamp +12V：12V fan power supply indicator lamp Under the panel is a group of indicator lamps matrix: PWR: power supply lamp； RXD: lightening upon data receiving；... - Page 9 This panel is composed of three small panels, as described below： IT-7301-PC module panel： IT-7301-PC Module Panel RACK AC redundancy power supply panel： RACK AC Redundancy Power Supply Panel 160~270 VAC：AC 220V input jack ON OFF: power switch +5V: 5V main power supply indicator lamp；...
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Page 10: 7301-Pc Application
5. IT-7301-PC Application 5.1 E1 configuration The device support two physical match impedance of the E1 interface, which can automatics 120ohm balanced twisted-pair and 75-ohm non-balanced coaxial cable interface. Users can select the appropriate interface to connection dispense with any operation. - Page 11 Optical FE1 Fiber Modem Interface Local Loop back Schematic S5.6: local digital loop back control (DLOOP). “OFF” indicates normal operation; “ON” indicates local digital loop back. The default is “OFF”. With a loop back from local E1 interface to optic interface, it is used for testing whether the remote device and optic line are in normal operation.
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Page 12: Common Problems
6.Common Problems Common Failures and Solutions Failure Cause Solution 1.Power supply not properly connected 1.Check power switch and jack 2.Replace protector 2.Protector tube damaged PWR power supply indicator tube 3. -48V DC input tie-line in reverse lamp not lightening 3.Correct -48V power supply line connection connection 4.
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