Overview; Accessories; Safety Information; Features - UNI-T UT685B Manual

I. Overview
UT685B KIT is a handheld TDR cable tester, suitable for copper cables (CAT 5E、CAT 6、
CAT 6A or CAT 8), used to detect and diagnose wiring condition of twisted pair and coaxial
cable, detect network service, short/open circuit in network cabling, split pair, miswire,
etc. It can also be applied to detect if there is PoE supply (POE module) in network cabling
and PoE standard (802.3AF, 802.3AT, 802.3BT). Wiremap, cable length, open-circuit
location and other information can be displayed on the screen simultaneously . The cable
tester is characterized by accurate, easy to operate, visibly-displayed, making it an ideal
tool for network communication maintenance, network engineering, wiring engineering,
etc.
II. Accessories
If any accessories listed below is missing or damaged, please contact with your supplier
immediately.
Items
UT685B TDR cable tester
1.5V AA alkaline battery
RJ45 adapting cable
RJ11 adapting cable
RJ11 adapting cable (adapted to alligator clip)
Plug, F-connector to F-connector
User manual
Carrying bag
UT683R receiver (For UT685B KIT only)
Micro USB charging cable (For UT685B KIT only)
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UT685B/UT685B KIT
Quantity
1 pc
3 pcs
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
UT685B/UT685B KIT
III. Safety Information
To avoid fire, electric shock or personal injury, please follows:
Do not open the casing, there is no any user-serviceable part inside.
Please operate the tester by following the user manual, otherwise the tester can be
damaged.
Check before use. Do not use damaged tester. Do not alter the tester.
Please stop use in case that the tester does not work normally.
Please replace the battery immediately if low battery symbol appears, so as to ensure
test accuracy.
IV. Features
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1. Mode knob: Wire tracking mode, testing mode, POE mode
2. Power button: Long press for 2 seconds to power on, short press for 1 second to
power off
3. The buttons (multiplexed) are used to view test result.
4. LCD display with backlight
5. Select RJ45 or coaxial cable connector
6. Short press this button to switch unit, long press about one second to turn on/of f the
backlight
Press , and power button at the same time to display the software version.
Press , and power button at the same time to calibrate measured length (Only
for test mode).
7. F-Connector for connecting coaxial cable
8. Modular jack for connecting to telephone and twisted-pair network cable. The jack
accepts 8-pin modular (RJ45) and 6-pin modular (RJ11) connectors.
9. Wiremap adapter with 8-pin modular jack and coaxial F connector.
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