Rockwell Automation 1770 DH,DHII,DH485 CABLE - Manual (Page 110)

Constructing a DHĆ485 Cable System
Chapter 9
9-3
Prepare the Cable Wire
Important: The wire colors of Belden 9842 cable have changed. Refer to the
following table to determine the corresponding wire colors of the previous
version of Belden 9842 and the current version of Belden 9842.
This wire or wire pair on the PREVIOUS
version of Belden 9842 cable:
Corresponds to this wire or wire pair on the
CURRENT version of Belden 9842 cable:
Shield Shield
Black/White Blue-White Stripe/White-Blue Stripe
Black White-Blue Stripe
White Blue-White Stripe
Black/Red Orange-White Stripe/White-Orange Stripe
Black White-Orange Stripe
Red Orange-White Stripe
1. Cut the Belden 9842 cable to a length long enough to route from one node
to the next. Refer to ‘‘Determining Cable Length” in Chapter 8 for
guidelines for determining appropriate cable lengths.
2. Remove 1 inch (2.5 cm) of the PVC jacket from both ends of the cable
segment.
Important: In the next step, do not cut the drain wire.
3. Remove 1 inch (2.5 cm) of the braided shield under the PVC jacket.
4. Remove the foil that surrounds the twisted wire pairs and insulation.
5. Cut back the two white insulation strands.
6. Cut the white–blue stripe wire of the blue–white stripe/white–blue stripe
pair. It does not have a connection. Save the wire for a jumper.
7. Remove .25 inch (6.4 mm) of coating off the
orange–white stripe/white–orange stripe wires. Do not tin the wire tips.
8. Remove .25 inch (6.4 mm) of coating off the white–blue stripe wire. Do
not tin the wire tip.