A6749A PCI MUX

Sl.	Scenario	Description	Solution 1	Solution 2
No.
	solution	supports only Male DB25	end.	order as described in
	(DB25 port	RS-232 serial ports.		Table 9, and connect
	module).	As a result, the existing	While designing	the wires to a DB25
		cables cannot be connected	the converter,	Female connector.
		to the AD279A 64 port	ensure that you
		DB25 RS-232 serial ports.	follow the
			specifications
			listed in Table 9.

3	Replacing	The A6749A 64- port	To connect the	Replace the 10-pin
	an existing	solution’s port module	custom made	RJ45 plug (signals
	A6749A	supports RJ45 RS-232 serial	cable, use a	compatible with the
	64- port	ports.	converter that	pin-out of the
	solution	The custom made cables for	supports a 10-pin	A6749A PCI MUX
	(RJ45 port	this solution include RJ45	RJ45 plug at the	solution)
	module)	plugs to connect to the RJ45	AD279A solution	of the custom made
	with an	RS-232 serial ports. The	end, and a 10-	cable with a 10-pin
	AD279A	AD279A 64 port solution’s	pin RJ45 jack at	RJ45 plug, whose
	64-port	port module also supports	the other end.	signals are compatible
	solution	RJ45 RS-232 serial ports.		with the pin-out of the
	(RJ45 port	However, the pin-outs of the	While designing	AD279A MUX
	module).	A6749A RJ45 serial ports	the converter,	solution.
		and AD279A RJ45 RS-232	ensure that you
		serial ports are different.	follow the	To replace the 10-pin
		As a result, the existing	specifications	RJ45 plugs, detach
		cables cannot be used with	listed in Table	wires from the 10-pin
		the AD279A 64-port RJ45	10.	RJ45 plug in sequential
		RS-232 serial ports.		order, as described in
				Table 10, and connect
				the wires to the new
				RJ45 plug.

Table 8 lists scenarios of incompatibility that prevent successful migration from A6749A 64-port DB25 solution to the AD278A/AD279A PCI MUX solution. It also describes methods to resolve issues of incompatibility.

Table 8: Migrating from the A6749A 64-Port DB25 Solution to the AD278A/AD279A PCI MUX Solution

Sl.	Scenario	Description	Solution 1	Solution 2
No.
1	Replacing	The A6749A 64-port	Use a DB25 Male
	an existing	solution’s port module	to Female gender
	A6749A	supports Female DB25 RS-	changer to connect
	64- port	232 serial ports.	the custom made
	solution	The custom made cables	cables to AD279A
	(DB25 port	for this solution include	RS-232 DB25
	module)	Male DB25 RS-232	serial ports.
	with an	connectors, to connect to
	AD279A	the A6749A DB25 RS-232
	64- port	serial ports. However, the

Scenario

AD279A MUX