Sl.

Scenario

Description

Solution 1

Solution 2

No.

 

 

 

 

 

 

of the A6748A RJ45 serial

While designing

AD279A PCI MUX

 

 

ports and AD279A RJ45

the converter,

solution.

 

 

serial ports are different.

ensure that you

 

 

 

As a result, the existing

follow the

To replace the 10-pin

 

 

cables cannot be used with

specifications

RJ45 plugs, detach

 

 

the AD279A 64-port RS-

listed in Table

wires from the 10-pin

 

 

232 RJ45 serial ports.

10.

RJ45 plug in sequential

 

 

 

 

order, as described in

 

 

 

 

Table 10, and connect

 

 

 

 

the wires to the new

 

 

 

 

RJ45 plug.

 

 

 

 

 

Table 7 lists scenarios of incompatibility that prevent successful migration from A6749A 64-port RJ45 solution to the AD278A/AD279A PCI MUX solution. It also describes methods to resolve issues of incompatibility.

Table 7: Migrating from the A6749A 64-Port RJ45 Solution to the AD278A/AD279A PCI MUX Solution

Sl.

Scenario

Description

Solution 1

Solution 2

No.

 

 

 

 

1

Replacing

The A6749A 64 port

To connect to a

Replace the RJ45 plug

 

an existing

solution’s port module

custom made

of the custom made

 

A6749A

supports RJ45 RS-232 serial

cable, use a

cable with a DB25

 

64- port

ports.

converter that

Female connector.

 

solution

 

supports a DB25

 

 

(RJ45 port

The custom made cables for

Female port at

To replace the RJ45

 

module)

this solution include RJ45

the AD278A

plugs with a DB25

 

with an

plugs, to connect to the

solution end, and

Female connector,

 

AD278A 8-

RJ45 RS-232 serial ports.

a 10-pin RJ45

detach wires from the

 

port

However, the AD278A 8-

jack at the other

RJ45 plug in sequential

 

solution.

port solution supports only

end.

order as described in

 

 

Male DB25 RS-232 serial

 

Table 9, and connect

 

 

ports.

While designing

the wires to a DB25

 

 

As a result, the existing

the converter,

female connector.

 

 

cables cannot be connected

ensure that you

 

 

 

to the AD278A 8-port DB25

follow the

 

 

 

RS-232 serial ports.

specifications

 

 

 

 

listed in Table 9.

 

 

 

 

 

 

2

Replacing

The A6749A 64-port

To connect to a

Replace the RJ45 plug

 

an existing

solution’s port module

custom made

of the custom made

 

A6749A

supports RJ45 RS-232 serial

cable, use a

cable with a DB25

 

64-port

ports.

converter that

Female connector.

 

solution

The custom made cables for

supports a DB25

 

 

(RJ45 port

this solution includes RJ45

Female port at

To replace RJ45 plugs

 

module)

plugs, to connect to the

the AD279A

with DB25 Female

 

with an

RS232 RJ45 serial ports.

solution end, and

connector, detach

 

AD279A

However, the AD279A 64-

a 10-pin RJ45

wires from the RJ45

 

64-port

port solution’s port module

jack at the other

plug in sequential