AAxeon MSC-108B Installation Manual - Page 3

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Note:

and JP3. They were kept there to prevent from loosing.

Terminator Settings (JP4 for S1, JP6 for S2, JP8 for S3, JP10 for S4,

JP5 for S5, JP7 for S6, JP9 for S7, JP11 for S8):

Jumper Name

S1 TERM

(S2 TERM)

(S3 TERM)

(S4 TERM)

(S5 TERM)

(S6 TERM)

(S7 TERM)

(S8 TERM)

Note:

IN :

OUT :

3. S1~S4 Connector Pin Assignments

The RS422/485 signals are connected by a DB62 octopus

cable to 8 DB9-male connectors, the DB9-male pin

assignment as follows:

Please use the spare jumpers that were kept on JP2

RS485 TXD Termination Resistor

Enable/Disable

Jumper Settings

OUT

(Default)

Jumper Installed

Jumper Not Installed

8-Port RS422/485 Serial PCI Card

Termination Resistor Setting

TXD (DATA- and DATA+)

Termination Resistor Enabled

TXD (DATA- and DATA+)

Termination Resistor Disabled

9 Pins

Signal

TXD- (DATA-)(A)

TXD+ (DATA+)(B)

RXD+

RXD-

GND