User guide
viii Solo E1 DSU User GuideāJune 1998
Chapter 5, Diagnostics 5-1
Diagnostic Considerations 5-1
Running A Diagnostic 5-1
Shortcut 5-2
Self Test 5-4
The Loop DTE Test 5-6
Alternate Option 5-7
The Loop NET Test 5-7
The Loop Payload Test 5-7
The DTE/NET Test 5-8
Running Multiple Payload Tests 5-8
The Loopup/Down Remote Tests 5-9
Pattern Tests 5-10
The QRW Test 5-10
The Send 1:7 Test 5-10
The Send 3:24 Test 5-10
The Send 1:1 Test 5-10
The Send All Ones Test 5-10
The Send All Zeros Test 5-10
The Send 1:4 (or alternate) Test 5-11
The Send 1:2 Test 5-11
The User 1 Pattern and User 2 Pattern Tests 5-11
The Lamp Test 5-11
Status LEDs 5-12
Running Tests From Front Panel 5-12
DTE/NET Loopback 5-13
Loopup Remote and Loopdown Remote 5-13
The Pattern Tests 5-13