Northern Telecom DMS-100 Series Installation And Maintenance Manual page 117

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0
0 LED
0 LIU
0 LLB
0
0 MI
0 MTBF
0 NPA
0 NTP
0
0 PDC
0 RTS
0 SW
0 TCM
0 TI
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0 UL
0 VPL
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Light Emitting Diode
Line Interface Unit
DCE/DTE interface
request a loop 3 test condition.
Mode Indicator
Mean Time Between Failures
Numbering Plan Area
Northern Telecom Practice
Power Distribution Center
Request To Send
Switch
Time Compression Multiplexing
DCE/DTE interface lead used to indi-
cate a test condition.
Underwriters Laboratories
Virtual Private Line
297-2121-226
VINTAGE 05.01
lead used to
7-3