RJ45 Cable Specifications
Last edited: December 15, 2003 08:17 AM

Cable ends for all printers except EPSON, using cat 5 cable and adapters

Comp                                Printer
DB25F                              DB25M

---

red    2  TXD                      RXD 3  red
white  3  RXD                    TXD 2  white
blue    5  CTS [straight cat5]DTR 20  blue
black  6  DSR    [cable]        RTS 4  black
green  7  GND                    GND 7  green

DB9 Female                        DB25 Male

---

red    3 TXD                      RXD 3  red
white  2 RXD                      TXD 2  white
blue    8 CTS                      DTR 20  blue
black  6 DSR                      RTS 4  black
green  5 GND                      GND 7  green

Cat 5 cable color codes for cabling (note: this is Touch Menus standard, not industry standard)

pin 1 orange
    2 white/orange stripe
    3 green
    4 white/green stripe
    5 blue
    6 white/blue stripe
    7 brown
    8 white/brown stripe
UDM Local Printer Cables

black    2
green    3
orange  7
yellow  20
blue  —cut
white —cut
Revisions

5/3/95

To make connectors for printer ends the same for db9 and db25

5/6/95

Change CAT5 pinning to make cable easier to make for some people