C2G 26847 LANtest Pro 256652 User Manual
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on model 256652/IDT)
Verification of shield integrity 
Cross talk detection in excess of 3dB + 0.3dB at 3.5Mhz 
between any two pairs
Specially designed remote unit that enables one person to
test installed cables
Easy to read fault display and high speed testing 
Debug mode for detailed fault identification results 
Auto sleep mode and power off switch to decrease power 
consumption
LANtest Pro Specifications
Connectors
LANtest Pro Main Unit
RJ45 jack
Remote Unit
RJ45 jack
 Pairs tested
 1/2, 3/6, 4/5, 7/8 and shield
LED display
 Horizontal: 5 Green LEDs for pair and shield display
 
(1-2, 3-6, 4-5, 7-8 and shield)
TONE G. LED (for models 256652/LBT, 256652/TK,
256652/TFK and 256652/IDT)
 Vertical: 5 Red LEDs for fault display and #ID display 
 
(OPEN, SHORT, REVERSED, MISWIRE,
SPLIT PAIRS and LOW BATTERY)
 For 256652/IDT the fault display shares with the #ID 
 Display (#1, #2, #3, #4) 
 Cable test length limit
 Minimum: 0.4m Maximum: Over 200m 
 Power:
 LANtest Pro: 6V alkaline DC battery 
 Remote identifier: No battery required
Dimensions:
 LANtest Pro: 125 x 52 x 30 mm (L x W x H) 
 Low battery indicator 
LANtest Pro Cable Test Operation:
 1.Select "Cable" position on the toggle switch.
 2.Plug one end of the subject cable into the RJ45 jack on 
the master unit and the other end into the RJ45 jack on 
the remote terminator.
Note:
The remote terminator can be slipped and locked into the
master unit for convenient testing of patch cables.
3.Push the test button and check the results: First, check
the 5 horizontally aligned green LED indicators (1-2, 3-
6, 4-5, 7-8, SHIELD) for integrity status:
Solid light
: pair is OK
Flashing light
: pair is faulty
No light
: open pair
a. Simultaneously, check the 5 vertically aligned LED
indicators (SHORT, REVERSED, MISWIRE, SPLIT 
PAIRS) for the wiring faults.
b. For more detailed information about what faults are
occurring in which pairs, hold the TEST button for 2 
seconds to activate "Debug mode." The tester will test 
each pair one by one, pausing briefly on each pair, and 
display the corresponding fault status.
LANtest Pro Tone Generator Operation (only 
available on models 256652/LBT, 256652/TK, 
256652/TFK and 256652/IDT):
 
 1. Slide the toggle switch on the LANtest Pro to the "Tone" 
position
2. Quickly press the TEST button once for continuous tone
mode, or hold down for two full seconds for warble tone
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