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Xtreme/104 Opto User Manual

19 www.connecttech.com CTIM-00007 (0.10) 3/21/2012

800-426-8979 | 519-836-1291

Table 6: DB-9 Cable Connector Pinouts

No.

RS-232 Signal

Direction

RS-422/485 Signal

Direction

RxD (+)

input

RxD

input

RxD (-)

input

TxD

output

TxD (+)

output

TxD (-)

output

Isolated Gnd

signal gnd

Isolated Gnd

signal reference

CTS (-)

input

RTS

output

RTS (+)

output

CTS

input

CTS (+)

input

RTS (-)

output

Part Number: CAG104

You must connect pin 5 (the isolated ground) to the

ground of the connected external device.

The red stripe on the CAG104 cable indicates pin 1 on

the 10 pin header connector.

Ensure that you terminate the CTS signal if not required

by your application. This is commonly done by

connecting CTS to RTS. Failure to do so may result in a

loss of a performance on your Xtreme/104 Opto

adapter.

Factory Default Settings

Table 7: Xtreme/104 Opto Default Settings

Function

Factory Setting

I/O Port Address

JB3 is set for I/O port addresses 300, 308, 310, 318 hex and the

status port disabled (positions A, B, C, not jumpered).

Status Port Address

JB3 is set for the status port disabled (position F not jumpered).

Baud Rate

JB3 is set for the maximum baud rate of 115.2 Kbps (position G not

jumpered).

IRQs

1. JB3 set for all ports interrupting on a single interrupt (positions

D and E not jumpered).

2. JB1 and JB2 jumper blocks set for no interrupts (all positions

not jumpered).

Electrical Interface

JB4, JB5, JB6 and JB7 set for all ports RS-422/485 (position B

not jumpered).

RS-422/485 Mode

1. JB4, JB5, JB6 and JB7 set for all ports running in full duplex

mode (positions A and C not jumpered).

2. J1 and J2 are not jumpered.

Termination

JB4, JB5, JB6 and JB7 set for all ports being not terminated

(positions D, E, F, G, H, and I, not jumpered).

See Figure 1 and Figure 2 for the locations of these jumper blocks.

Revisions A and B of the Xtreme/104 Opto adapter do not have bias resistors

Revisions A and B of the Xtreme/104 Opto adapter do not have positions H and I on

jumper blocks, JB4, JB5, JB6, and JB7

Male DB-9 Connector

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