Chapter 8 Register Structure
Module status register (MDSR)
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+0
- - - - - - - - - OPM - EIE AVR ATR IERR ERR
Bit 15-7: Reserved
These bits are reserved bits. Usually "0" are set.
Bit 6: Operation mode bit (OPM)
The status of DIP-switch 1 is reflected on this bit.
Bit6: OPM Description
0 Normal operation mode
1 The other mode.
Bit 5: Reserved
This bit ais reserved bit. Usually "0" are set.
Bit 4: Ethernet information configuration error bit (EIE)
Illegal Ethernet parameters are set. In the case of this bit set "1", IER LED turns on.
Bit4: EIE Description
0 There is no error.
1 The illegal Ethernet parameters configuration (set-up) is detected.
Bit 3: Existence response bit (AVR)
The result of general working check for EH-ETH2. The data (IAV bit of Control Register) will be reflected here.
Bit3: AVR Description
0
1
The data set in Existence confirmation request bit (IAV) of Control Register are reflected.
Bit 2: Automatic Sending/Receiving enable bit (ATR)
This bit shows the current specified status of Automatic Sending/Receiving function is disable or enable.
Bit2: ATR Description
0 Automatic Sending/Receiving function is disable.
1 Automatic Sending/Receiving function is enable.
Bit 1: IER LED lighting condition bit (IERR)
This bit shows the current condition of IER LED.
Bit1: IERR Description
0 IER LED is turned off.
1 IER LED is turned on.
Bit 0: ERR LED lighting condition bit (ERR)
This bit show the current condition of ERR LED.
Bit0: ERR Description
0 ERR LED is turned off.
1 ERR LED is turned on.
8-2
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