User Manual
IT-7301-PC
Страница 1: ...User Manual IT 7301 PC...
Страница 2: ...ersion 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...
Страница 3: ...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...
Страница 4: ...tic Support the loop back of local analog digital interface Support pseudo random code test function providing convenience for the test of optic fiber line status 120km trunking free transmission dist...
Страница 5: ...60V AC input 5V 16A 12V 1A output 38V 58V 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 Inst...
Страница 6: ...cal device LOOP Indicator lamp of loopback test status When local device is at a loopback status the lamp is constantly lightening when opposite device is at a loopback status the lamp flashes When lo...
Страница 7: ...me slot setting valid only when S5 1 OFF S5 2 ON S5 3 ON using local time slot setting S5 4 Reserved S5 5 Local loopback setting optic interface in direct loopback ON valid S5 6 Local digital loopback...
Страница 8: ...nel is a group of indicator lamps matrix PWR power supply lamp RXD lightening upon data receiving TXD lightening upon data sending LOS lightening when either optic line or E1 line gets lost LOF lighte...
Страница 9: ...160 270 VAC AC 220V input jack ON OFF power switch 5V 5V main power supply indicator lamp 12V 12V fan power supply indicator lamp RACK DC redundancy power supply panel RACK DC Redundancy Power Supply...
Страница 10: ...ng is synchronized with E1 port timing Optic interface receiving timing optic interface originated from the clock S5 1 OFF S5 2 ON the sending timing is optic interface receiving timing and the receiv...
Страница 11: ...2048Kbps Through a sending of loop back command from local device to remote device the command remote loop back is achieved Remote Loop back S5 8 Pseudo random code test control PATT OFF indicates nor...
Страница 12: ...ce 3 Refer to the description on rear panel 4 Returned to the manufacturer for repair 3 Optic LOS data loss alarm lamp lightening 1 Optic fiber in wrong interconnection 2 Optic fiber not well inserted...
