Westermo EDW-120 - Manual (Page 25)

25 6616-2211
LED Status Description
PWR OFF No internal power
ON Internal Power OK
TD
(A and B)
OFF No serial data transmitted from A and B: RS-232
ON Serial data transmitted from A and B: RS-232
RD
(A and B)
OFF No serial data received to A and B: RS-232
ON Serial data received to A and B: RS-232
LINK OFF No Ethernet link.
Cable not connected.
ON Good Ethernet link.
Flash Ethernet data is transmitted or received, traffic indication.
STAT OFF Normally Off
ON Telnet session established to Telnet diagnostics service or
Ongoing configuration by Web tool.
RC OFF DIP switch settings are valid.
ON One or more DIP switches are overrid by remote configuration.
SPD ON Mbit/s
OFF Mbit/s
DPX ON Full duplex
OFF Half duplex
Position Direction* Signal name Description/Remark
No.1
In Transmit + Transmit data
No.2 In Transmit – Transmit data
No.3 Out Receive + (/–) Receive data, auto-polarity***
No.4 – - Terminated
No.5 – - Terminated
No.6 Out Receive – (/+) Receive data, auto-polarity***
No.7 – – Terminated
No.8 – – Terminated
Shield – Shield HF-connected to COM (via capacitor)
8
7
6
5
4
3
2
1
Ethernet 1
(Auto-Negotiation disabled**)
CAT 5 cable is
recommended.
Unshielded (UTP)
or shielded (STP)
connector might
be used.
* Direction relative this unit.
** Disable auto-negotiation also disables auto crossover (auto MDI/MDI-X).
*** Auto-polarity always enabled an only relevant for 10BaseT.
NOTE! Pin number and signal name relations might be changed by auto crossover or
auto polarity.
LED Indicators
Power
Transmit data
Receive data
Status
Remotely controlled
Speed Integrated in RJ-45
Green
Duplex Integrated in RJ-45
Yellow