
Multi-Network 
Cable Tester 
User Manual
F4F314
P73237 F4F314-T
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1. Plug both ends of the cable into the female BNC 
connectors on the two RJ45/BNC adapter cables, thus 
changing the coax cable to a RJ45/RJ45 cable. Plug one 
end of the cable with the RJ45 connector into the 
modular jack on the master unit marked with “▲” and 
the other end to the receiving modular jack either on 
the master unit or the remote terminator (for 
F4F314-T only).
2. As soon as the power is turned on, select the scanning 
mode to “MANUAL” and then press the “TEST” button 
twice to see the first and second pair of LEDs which 
indicates the continuity of the cable tested. It is 
recommended to use ”MANUAL” mode for coax cable 
since coax cable has only two conductors. Refer to 
section “E” for further information.
A. To Test Twisted Pair (Shielded or 
Unshielded) Modular Cables
B. To Test Coax Cable (BNC)
1. Plug one end of the cable into the modular jack on the 
master unit marked with “▲” and the other end into the 
receiving modular jack on either the master unit or the 
remote terminator (for F4F314-T only).
2. As soon as power is turned on, select the scanning mode 
to either “AUTO” or “MANUAL”. To do the “AUTO” test, 
just press down the scanning mode button to “AUTO” 
and the LED display will light up in sequence for each 
conductor and show the pin-configuration of the cable. 
To test the cable manually, just leave the scanning mode 
button up on “MANUAL” mode, and press the “TEST” 
button to see the continuity and pin-out of one particular 
wire in the cables. Refer to section “D” and “E” for 
further information.
3. For shielded cables the 9th LED marked with “G” 
indicates the grounding/shielding of the cable. If the 
cable is properly grounded/shielded, the “G” LEDs on 
both lines should light up, otherwise the cable is not 
grounded/shielded.
1
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2
1. Plug the first end of the cable into the modular jack on 
the master unit marked with “▲” (plug the RJ45/BNC 
adapter on first for the coax cable testing), then plug the 
second end of the cable at the remote location into the 
modular jack on the remote terminator. Then repeat the 
instructions from section “A-2”, except compare the LEDs 
on the remote terminator to the LEDs on the master unit. 
If the remote end of the cable is connected to a faceplate 
or patch panel, you will need to use the included 
RJ45/RJ45 or RJ45/BNC adapters to connect the cable to 
the remote terminator. 
C. To do the Remote Test (F4F314-T only)
D. To Read the Test Results
1. Continuity:
2. Open:
3. Short:
4. Miswire:
Pin 2 is continued
Pin 2 is opened
Pin 2 and Pin 3 are 
shorted together
Pin 3 and Pin 6 are 
crossed
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3
4
2
1
3
4
2
1
3
4
2
1
3
4
2
1
G
76
8
5
G
76
8
5
G
76
8
5
G
76
8
5

E. The Configuration of Pin-Out Indicator for
RJ45, RJ11, and BNC Connectors
3
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1
3
2
RJ45
4
5
CENTER 
PIN
G
76
8
BNC
2
1
SHIELDING
3
4
5
RJ11 6-wire/RJ12
3
4
2
1
5
G
76
8
G
76
8

4
RJ45-RJ45
RJ45-BNC
RJ45-BNC
BNC-BNC
MASTER UNIT
REMOTE
TERMINATOR
(for F4F314-T only)
SCANNING
MODE
BUTTON
E. The Configuration of Pin-Out Indicator for
RJ45, RJ11, and BNC Connectors (continued)
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F. Pair Configurations For Cables 
with Modular Connectors
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PR2
PR1
PR3 PR4
1234
5678
EIA/TIA-568A
PR2
PR1
1234
5678
Ethernet
10Base-T
PR3
PR1
PR2 PR4
1234
5678 1234
EIA/TIA-568B
AT & T 258A
PR4 
PR3
PR2
PR1
1234
5678
USOC 8
PR2
PR1
5678
8 Position
Token Ring
PR3
PR2
PR1
1234
56
USOC 4 (Prs. 1 & 2)
USOC 6 (Prs. 1, 2 & 3)

Belkin Components B.V.
Diamantlaan 8 • 2132 WV 
Hoofddorp • The Netherlands
Tel: +31 (0) 235698765
Fax: +31 (0) 235612694
Belkin Components, Ltd.
Unit 13 • Gatelodge Close • Round Spinney
Northampton • Northants • NN3 8RX • UK
Tel: +44 (0) 1604678300
Fax: +44 (0) 1604678330
belkin.com
Belkin Components
501 West Walnut Street
Compton • CA • 90220 • USA
Tel: 310.898.1100 
Fax: 310.898.1111
©1999 Belkin Components. All Rights Reserved. All Trade Names are
Registered Trademarks of Respective Manufacturers Listed.
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