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Front Panel LED Reference

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Below is a picture of the front panel of the original MDR2000e (top) and the redesigned MDR2000e-R2 (bottom) illustrating the difference in LED indicators. Please refer to the chart below for a description on the relationship between the two devices.

 

 

 

 

Front Panel LED Reference

 

MDR2000e LED

MDR200e R2 LED

Notes

MSD
(Modem Send Data)

 

MDM
(Modem Data)

The MDR2000e MSD and MRD LED’s have been combined into a single multi-colored LED. The LED flashed Green for Send Data and Red for Receive Data.

MRD
(Modem Receive Data)

PBX

(PBX Receive Data)

PBX

This LED flashes with receive data from the PBX. In the MDR2000e this was only receive of serial data. In the MDR2000e-R2 this LED will also flash with the receiving of network data from a PBX.

BFL

(Buffer Full)

 

Full

This multi-colored LED indicates how full the MDR2000e-R2 is, as follows:
 

Buffer Percent Full

Full LED Red State

Full LED Green State

Empty

Off

On Solid

Less than 10%

1 Flash

9 Flashes

10% to 19%

2 Flashes

8 Flashes

20% to 29%

3 Flashes

7 Flashes

30% to 39%

4 Flashes

6 Flashes

40% to 49%

5 Flashes

5 Flashes

50% to 59%

6 Flashes

4 Flashes

60% to 69%

7 Flashes

3 Flashes

70% to 79%

8 Flashes

2 Flashes

80% to 89%

9 Flashes

1 Flash

90% to 99%

10 Flashes

0 Flashes

Full

On Solid

Off

 

BMT

(Buffer Empty)

RUN

RUN

This multi-colored Red/Green LED is red during start-up or during a master reset. It turns to green when the MDR2000e-R2 begins normal operation.


DHCP

This is a red LED, which when illuminated, indicates that the MDR2000e-R2 has received valid IP configuration data from a DHCP server.


HTTP

This LED illuminates Red during WEB Configuration as it processes each HTTP protocol request and response.


CFG

A Red LED indicating that the MDR2000e-R2 is connected through to a device and is being configured.


XFR

A Red LED that illuminates when a Data Retrieval Telnet session is open or an FTP connection is downloading data.


LINK

This is a green LED indicating that the Ethernet circuit is detecting the presence of valid link pulses.


ACT

This is a red LED that indicates activity on the Ethernet interface.