User`s manual

ManualsBrandsDynamix ManualsComputer equipmentDW 2 FXO

F RJ21 (Telco 50) Cable and Patch Panel Install

1. General Description

Depend on customer’s requirement, there are two kinds of accessories of FXS/FXO

wiring for SB800 / S1600 / S2400 series: RJ21 (Telco 50) cable only and RJ21 cable

with patch panel. The RJ21 cable only is suitable for customers who have their own MDF

(Main Distribution Frame), and the cable length is about 2.7m. The RJ21 cable with

patch panel is suitable for customers who need RJ11 wiring to phone or PSTN directly,

and the cable length is about 1.6m.

2. RJ21 cable wiring

The RJ21 cable consists of 25 pairs of wires for

FXS/FXO wiring (S2400 series use 24 pairs). Each

wire is colored uniquely to be identified easily.

Basically, the color codes are composed of 2 group

of colors and the color code for each wire and pair

is as the following:

Color Group 1

Blue Orange Green Brown Gray

Color Group 2 White Red Black Yellow Purple

Pair 1 Pair 2 Pair 3 Pair 4 Pair 5

Wire 1 Wire 2 Wire 3 Wire 4 Wire 5 Wire 6 Wire 7 Wire 8 Wire 9 Wire 10

Blue-

White

White-

Blue

Orange-

White

White-

Orange

Green-

White

White-

Green

Brown-

White

White-

Brown

Gray-

White

White-

Gray

Pair 6 Pair 7 Pair 8 Pair 9 Pair 10

Wire 11 Wire 12 Wire 13 Wire 14 Wire 15 Wire 16 Wire 17 Wire 18 Wire 19 Wire 20

Blue-

Red

Red-

Blue

Orange-

Red

Red-

Orange

Green-

Red

Red-

Green

Brown-

Red

Red-

Brown

Gray-

Red

Red-

Gray

Pair 11 Pair 12 Pair 13 Pair 14 Pair 15

Wire 21 Wire 22 Wire 23 Wire 24 Wire 25 Wire 26 Wire 27 Wire 28 Wire 29 Wire 30

Blue-

Black

-Blue

Orange-

Black

-Orange

Green-

Black

Black-

Green

Brown-

Black

Black-

Brown

Gray-

Black

Black-

Gray

Pair 16 Pair 17 Pair 18 Pair 19 Pair 20

Wire 31 Wire 32 Wire 33 Wire 34 Wire 35 Wire 36 Wire 37 Wire 38 Wire 39 Wire 40

Blue-

Yellow

Yellow -

Blue

Orange-

Yellow

Yellow -

Orange

Green-

Yellow

Yellow -

Green

Brown-

Yellow

Yellow -

Brown

Gray-

Yellow

Yellow-

Gray