Owner`s manual

M SERIES DAC

CABLING

____________________________________________________________________________

NOTE: The HSO, HSI, and GND signals do not need to be connected if you

are not using hardware handshake lines.

14.3 V87 CABLING INFORMATION

The V87 module has four ports that are user selectable as EIA-422 or EIA-485 serial

interface. Ports on the V87 module use the following pins and signals for

communication:

V87 PINOUT INFORMATION

SERIAL INTERFACEPIN

EIA-422 EIA-485

DIRECTION DESCRIPTION

1 HSO HSO Output Handshake Out. Used to enable or disable

the receiving of characters

2 GND GND ---- Signal Ground

3 TX+ TX+/RX+ Output

Output/Input

422 - Transmit Data (+)

485 - Transmit/Receive Data (+)

4 TX- TX-/RX- Output

Output/Input

422 - Transmit Data (-)

485 - Transmit/Receive Data (-)

5 RX- NU Input/---- 232 - Receive Data (-)

485 - Not Used

6 RX+ NU Input/---- 422 - Receive Data (+)

485 - Not Used