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B-7

DB25-to-DC-37 (RS449) DCE Connector Pin Assignments

Table B-7 describes the DB25-to-DC-37 (RS449) DCE connector pin

assignments.

Table B-7 DB25 to DC-37 (RS449) DCE Connector

Pin Assignments

DC-37 (RS449) DB25 Signal Name

8 24 A TT

26 11 B

13 4 A RTS

31 19 B

43A RD

22 16 B

62A SD

24 14 B

12 6 A DM

30 22 B

11 20 A TR

29 23 B

78A RR

25 10 B

17 17 A RT

35 9 B

19 7

NC NC

NC 1

1 2 ... 124 125 126 127 128 129 130 131 132 133 134 ... 146 147

DL600E E1 1
Data Multiplexer 1
UserÕs Guide 1
Product Limited Warranty 4
Disclaimer 5
ISO Registration 5
Table of Contents 7
Table of Figures 11
Table of Tables 13
¥ About this Manual xviii 15
About this Manual 16
Typographic Conventions 17
Send Us Your Comments 19
When Returning a Unit 19
About the DL600E Unit 21
Introducing the DL600E Unit 22
About the DL600E Unit 1-3 23
DL600E Features 24
About the Telnet Utility 25
Applications 25
Installing 27
Checking the Equipment 28
Equipment Model Numbers 29
Gathering Information 29
About the Power Supply 30
Warning! 31
CAUTION: 33
ConÞguring 35
Preparing to ConÞgure 36
Connection be set to 38
Modem in Menu-8 Alarm II 38
User Access Rights 40
Logging on from a Terminal 40
password a second time when 41
IP address 42
Logging off 43
Before You Begin 43
Using the Terminal Interface 43
Setting a Parameter in a Menu 43
Overview of the ConÞguration 43
About the Remote System 44
NET (the alternate clock 46
Downloading New Software 47
DOWNLOAD UTILITY 0.1 48
Operational Software: 48
Updated Download Utility: OK 48
Factory Download Utility: OK 48
Download RAM allocated: OK 48
Description* 49
Configuring the Data Port 50
Allocating Timeslots 51
Allocation Type 52
Allocation Type in edit mode 52
2 To specify Data Port 1: 53
1 To select Manual 53
Allocate by Port Þeld 54
ConÞguring for SNMP 55
Ñ public) 56
Ñ public) 56
Superuser Access Rights 57
Assigning User Passwords 57
ConÞguring Alarm Conditions 58
ConÞguring Alarms 59
Menu-7 Alarm I Parameters 60
Example: 1.2 x 10 61
Example: 61
Menu-8 Alarm II Parameters 62
15 Min. 30 Min., Unlimited 63
Monitoring and Managing 65
Introduction 66
Logging on to the DL600E 66
In Other Conditions 68
Logging Off 70
Monitoring Status 70
Menu-1 Main Status Parameters 71
E1 signal 72
DTR or RTS DTE lines, user 73
Menu-2 Data DTE Status 74
Data DTE Status Parameters 74
Reports which displays 75
CRC errors 76
CRC is incremented 76
Using the Front Panel 77
Interface 77
Front Panel Description 79
( ) and press ENTER 80
Front Panel Keys 81
Front Panel Key 81
Editing a Parameter 82
Required Information 83
Keeping a Record 83
UNIT CONFIG submenu appears 84
The UNIT CONFIG Submenu 85
The Comm Port Settings 86
The NET CONFIG Menu 87
Setting External Timing 87
NET TIMING 88
Enabling NET IBC 89
The AUX CONFIG Menu 89
ConÞguring the Data Ports 90
The TIMESLOT CONFIG Menu 91
01 - - 24 92
01, starts to blink) 93
TS CONF MANUAL and press 93
Using the MONITOR Menu 95
Using the TEST Menu 96
2 To end the test, press 97
Sending a Test Pattern 98
0 and can 99
Pattern Options 100
LAMP Test 101
Diagnosing 103
Running Diagnostic Tests 104
The Diagnostics Menu 105
Test Parameters 106
Test Types 108
Loop NET Test 109
Loop Payload Test 110
Send 1:2 Test 112
Appendix 113
Technical SpeciÞcations 113
Technical SpeciÞcations A-3 115
Terminal Supported 116
Equipment Grounding Conductor 116
Front Panel LEDs and Buttons 116
Technical SpeciÞcations A-5 117
Factory Default ConÞguration 119
ConÞguration Worksheet 120
DL600E Model Numbers 121
Appendix B 123
Connector and 123
Pin Assignments 123
E1 Network Pin Assignments 124
DCD signal 130
Glossary 133
Glossary G-3 135
DSU/CSU 137
T1 capacity (one or 137
DSU/CSU 138
MIB pro 138
QRW bit errors 139
Glossary G-9 141
DTE device 143
Index I-1 145
T1 network port 147
X.21 format 3-17 147

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