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port is set to be a Master or Slave. On devices with Long-Reach EoVDSL ports, the
Master LED will be on all the time if the device is set to be the Master, or off if the
device is set to be the Slave.
Master
Link/Act
Pin-Out
The following is the pin-out for the RJ11 connectors:
Note
All RJ11 connectors conform to the standard telephony pin configuration.
6
Figure 4.8
4.3.1
EoVDSL Wiring
VDSL operates over 2-wire Category 3 (CAT-3) or higher twisted-pair wiring. Other
twisted-pair wiring with similar characteristics may work, although the performance
will vary depending on the cable characteristics and distance.
When wiring EoVDSL ports, note the following:
•
•
•
RUGGEDCOM RS900L
Installation Manual, 04/2021, C79000-G8976-1027-09
LED
EoVDSL RJ11 Modem Port
EoVDSL ports are designed to be used on private communications lines for
point-to-point connections and are not to be connected to the Public Switched
Telephone Network (PSTN).
To reduce the risk of fire, use only #26 AWG or larger telecommunication line
cord.
Twisted-pairs are an effective way of reducing both magnetic and capacitive
interference, as they reduce the magnetic loop area to nearly zero and maintain
a consistent distribution of capacitances to both ground and other sources.
Therefore, make sure twisting is consistent throughout the cable length.
State
Green (Solid)
Off
Green (Solid)
Green (Blinking)
Off
1
Communication Ports
4.3.1 EoVDSL Wiring
Description
The device is in Master mode.
The device is in Slave mode.
Link established
Link activity
No link detected
Pin
Description
1
Reserved (Do
Not Connect)
2
Reserved (Do
Not Connect)
3
Ring
4
Tip
5
Reserved (Do
Not Connect)
6
Reserved (Do
Not Connect)
25
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