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Connect Tech Xtreme/104-Plus, PCI-104 and PCI/104 Express Family User Manual

Revision 0.08

Xtreme/104 Plus Opto 4&8 Port

Table 3: 10 Pin R/A Port Header Pinouts on Opto Models

Pin No.

RS-232

Direction

RxD (+)

input

CTS (-)

input

RxD

input

RxD (-)

input

RTS

output

RTS (+)

output

TxD

output

TxD (+)

output

CTS

input

CTS (+)

input

TxD (-)

output

RTS (-)

output

isolated

gnd.

signal gnd.

isolated

gnd.

signal reference

N/A

Printed circuit board

Ribbon Cable

Red stripe = pin 1

10 pin header

Cable header

Arrow

View facing 10 pin header

Note: The red stripe on the CAG104 cable indicates pin 1 on the

10 pin cable header connector.

Table 4: DB-9 Male Fan-out Cable Pinouts

Pin #

RS-232

RS-422/485

RS-423 [1]

DB-9

Signal

Direction

Signal

Direction

Signal

Direction

DCD

Input

RxD+

Input

RxD+

Input

RxD

Input

RxD-

Input

RxD-

Input

TxD

Output

TxD+

Output

TxDRef (TxD+)

Signal Reference

DTR

Output

TxD-

Output

TxD-

Output

Signal Ground

Signal Reference

GND

Ground [2]

DSR

Input

CTS-

Input

CTS-

Input

RTS

Output

RTS+

Output

RTSRef (RTS+)

Signal Reference

CTS

Input

CTS+

Input

CTS+

Input

RTS-

Output

RTS-

Output

Notes:

[1] When CAG8104 cable assembly is attached.

[2] 47Ω to GND. Ground is connected to the DC ground by a 47Ω resistor to

reduce ground loop current

DB-9 Male

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 32 33

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