cable to program question (nb)

hi, im new to this.
and i woud like to backup tre program of my:
AB
slc500
catno 1747-L532
os no 1747-os300 a 2

1) i have a touch screen plug in the serial port. I woud like to know if its possible to connect via dh485 (its a rj45 hole)??

2) i have found this cable
http://www.**********.com/shop/usb1747cp3usb-ab-slc-503504505-plc-programming-adapter-p-354.html

but its said 1747-pc3 and my catno is 1747-L532 is it ok ??

thx in advance

The "original" Rockwell Automation's converter/cable for this kind of connection (DH-485) is cat. # 1747-UIC (converter) + cat. #1747-C13 (cable)

Here a link for more infos: http://literature.rockwellautomation.com/idc/groups/literature/documents/in/1747-in063_-en-p.pdf

1747-CP3 is the RS-232 serial cable, and in this case isn't suitable for your needs.

PS: your web link is invalid, so I cannot see if it can fit.

- fuzzy logic