9. CONNECTOR PIN TABLE
1) HOST I/F CONNECTOR
Pin No. Signal name Pin No. Signal name
1+5V2+5V
3+5V4+5V
5A156A14
7A138A12
9 /DPCS 10 /WR
11 A11 12 A10
13 /RD 14 A0
15 A1 16 A2
17 A3 18 A4
19 A5 20 A6
21 A7 22 A8
23 A9 24 D7
25 D6 26 D5
27 D4 28 D3
29 D2 30 D1
31 D0 32 /LRES
33 /INTSR 34 /INTSW
35 NC 36 NC
37 GND 38 GND
39 GND 40 GND
2) RELAY CABLE
Pin No. Signal name
1TX+
2TX-
3RX+
4RX-
5GND
3) RJ-45 CONNECTOR
Pin No. Signal name
1TX+
2TX-
3RX+
4NC
5NC
6RX-
7NC
8NC
10. SWITCH SETTING
The board has two switches on it: program loading EPROM(Master ROM)
selection switch (SW1) and flash memory write protect switch (SW2).
1) LOCATION OF SWITCHES
The two switches are located on the board as shown below.
2) SWITCH SETTING AT SHIPPING
The factory setting of the switches are as follows:
Switch Setting Details of setting
SW1 4pin side Boot from FLASH MEMORY
SW2 GND side Write protect into FLASH MEMORY
3) FUNCTIONS OF THE SWITCHES
3)-1. Program loading EPROM
(Master ROM) selection switch: SW1
SW1 selects booting from EPROM (Master ROM) to write program
data into flash memory.
When writing data from EPROM (Master ROM) to flash memory,
switch over to 6-pin side.
Usually, SW1 is set to the marking side.
3)-2. Flash memory write protect switch: SW2
SW2 inhibits writing into flash memory.
When writing data from the EPROM (Master ROM) to the flash mem-
ory.
Usually, the switch is set to the marking side.
SW1
SW2
4
5
6
1
2
3
FLASH
EPROM
SW1
Usual setting
Writing from EPROM
(Master ROM)
SW2
GND
VCC
Usual setting
Writing from EPROM (Master ROM)
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