Velleman VTLAN7 Manual Del Usuario página 7

Crossed co nnections
Visible LEDs
• NO N-PAR ALLEL
• All numbe re d LEDS
No connectio n
Visible LEDs
NO CO NNEC TIO N
5.4 Test ing an RJ 11 cab le
Testing R J11 cables is sim ilar to R J45 cables.
An RJ11 cable can have 2, 4, or 6 conne ctions.
De pe nding on the num be r of conne ctions, the LEDs will light as
follows (provide d the cable is O K):
• 2 conne ctions: LED 3 - 4
• 4 conne ctions: LED 2 - 3 - 4 - 5
• 6 conne ctions: LED 1 - 2 - 3 - 4 - 5 - 6.
5.5 Test ing a c oaxia l ca ble (B NC)
The de vice can te st 25 Ω, 50 Ω, and 75 Ω cables.
1. C onne ct one e nd of the cable to the BNC conne ctor.
2. Attach a suitable te rminator to the othe r e nd of the cable .
3.
Press the Test button.
The LED corresponding to the e rror lights up.
Results
• SHOR T: short circuit
• CO NNEC TED: cable is O K.
• NO N-PAR ALLEL: crossed conne ction.
• NO CO NNEC TIO N: cable has no te rm inator or is de fe ctive .
V. 01 – 30/10/2013
VTLA N7
Beeps
2 bee ps
Beeps
1 bee p
7
Note
• C able s are crosse d.
• The num be red LEDs
indicate conne ctions but
do not indicate the
location of the cross.
Note
• The re is no cable
be twe en the rem ote
and the main unit.
• The cable has no intact
conductors.
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