4.3.3 Desktop unit to Ascom rack system 20
4.3.4 Desktop unit to Ascom AM70 Multiplexer 20
5.1 QUICK GUIDE TO BASIC FAULT FINDING 21
5.2 DEFAULT CONFIGURATION 22
5.3 LINK PERFORMANCE 22
5.3.1 Local Loop 22
5.3.2 Remote Loop 23
5.3.3 Far End Local Loop 23
6.1 SETTING THE CONTRAST ON THE LCD DISPLAY 25
6.2 MENU STRUCTURE 26
6.3 CONFIG MENU 27
6.3.1 Modem Mode 28
6.3.2 Number Of Line Pairs 28
6.3.3 Line Rate 28
6.3.4 Internal / External Timing 29
6.3.5 Interface Control Line Transfer 29
6.3.6 Transmit power 29
6.4 OPTION MENU 30
6.4.1 Interface Type / Info 30
6.4.2 Interface Settings 30
6.4.2.1 V.35 and V.36 31
6.4.2.2 X.21 bis (V.24/V.28) 31
6.4.2.3 X.21 31
6 FRONT PANEL MENU SYSTEM 25
5 TROUBLESHOOTING 21
ASCOM USER GUIDE
High Speed Base Band Modems
5
6.5 STATUS MENU 32
6.5.1 Unit Status 32
6.5.2 Alarms 33
6.5.3 Line Quality 33
6.5.4 Interface Status 33
6.5.5 Menu Locked/Unlocked 34
6.6 TEST MENU 35
6.6.1 Local Loop On/Off 36
6.6.2 Loopback On/Off 36
6.6.3 Remote Loop On/Off 37
6.6.4 V.54 Loop On/Off 37
6.6.5 Data Test 38
6.6.6 In-service Test 39
6.6.7 Lamp Test 40
6.6.8 Self Test 40
7.1 QUICK SET-UP GUIDE 41
7.1.1 Before you start 41
7.1.2 Procedure 41
7.2 VT100 REQUIREMENTS 42
7.2.1 Cable Assembly 42
7.2.2 Terminal Requirements 43
7.3 USE OF CONTROLS USING TERATERM 44
7.4 LOGGING IN 45
7.5 SCREENS 47
7.6 TEST COUNTS 48
7.7 CHANGING PASSWORDS 50
7 VT100 SYSTEM CONTROL 41
4 ASCOM USER GUIDE
High Speed Base Band Modems
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