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ADCP-80-314 • Issue 6 • January 2001 • Section 3: Operation
This procedure is used to identify the equipment terminated at the opposite end of a cross-
connect jumper.
STEP
PROCEDURE
1
Pull the DSX-4H lamp switch (LS) button for the Known Equipment termination.
2
Observe all tracer lamps. The tracer lamp for the Known Equipment termination, and the
tracer lamp for the cross-connected Unknown Equipment termination, will both flash for
approximately 30 seconds and then remain lit.
3
Push lamp switch button back in to extinguish tracer lamps after use.
LAMP
SWITCH
OUT
KNOWN
EQUIPMENT
IN
Page 3-2
2001, ADC Telecommunications, Inc.
CROSS-CONNECT CIRCUIT IDENTIFICATION
X-O/
X-I
GND
-48V
MON
PROCEDURE 1
X-O/
X-I
MESSENGER
CORD
X-IN
X-IN
X-OUT
X-OUT
MON
OUT
OUT
IN
IN
LAMP
SWITCH
GND
-48V
OUT
UNKNOWN
EQUIPMENT
IN
1280-B
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