Product Operation; Continuity Testing - Doss NF-8209 Instruction Manual

Product Operation

Turn on the device and enter the below main Menu
CONT Lenght SCAN
1. CONT-- Test open, short, cross,ect for STP, UTP cable.
2. Length--measure length of lan cable, range is 2.5m~200m.
3. Scan--Analog/Digital/ PoE mode to locate lan cables.
4. PoE-- available for standard or non-standard PoE switch
(5~60V), identify AT or AF standard of PSE type.
5. Flash--locate network port by the flashing port light on
switch/ router.
6. Setting—Set Language, backlight time, auto-off time,
contrast and version.

1. Continuity testing

Connect one end of cable to "CONT" port of tranmistter on
the left side, the other end to the RJ45 port of remote, Press
"OK" to start testing.
If the cable is a good one, the result will be as below.
C
R : 1 2 3 4 5 6 7 8
M : 1 2 3 4 5 6 7 8
（UTP lan cable）
Your excellent helper in cable test!
3
POE Fiash Setting
C
R : 1 2 3 4 5 6 7 8 G
M : 1 2 3 4 5 6 7 8 G
（STP lan cable）
1.1 Possible results
Only if a cable exsits short circuit, no matter it exsits cross,
breakage or not,the testing result will only display "Short"
information. If it doesn't exsit short circuit, then it would
display what actually it is.
C short
R :
M : 1 2 3 4 5 6 7 8
（Pin12,
Pin45
are
both
shorted）
C
R : 1 2 3 4 5 6 7 8
M : 1 2 3 4 5 6 7 8
（Pin56,
Pin18
are
cross）
1.2 Cable Open
If the LCD screen display "Cable Open!", there are several
reasons for this.
1. all the pins are open indeed. 2. no cable is connected.
3. the remote is not connected. 4. Connect with wrong port.
C
Cable open!
Your excellent helper in cable test!
C
R : 1 2 3 4 X 6 7 X
M : 1 2 3 4 X 6 7 X
（Pin5
&
Pin8
are
broken）
C
R : 1 2 3 4 5 6 7 8
M : 1 2 3 4 5 6 7 8
（Good
condition）
4