User`s manual

Pair 21 Pair 22 Pair 23 Pair 24 Pair 25

Wire 41 Wire 42 Wire 43 Wire 44 Wire 45 Wire 46 Wire 47 Wire 48 Wire 49 Wire 50

Blue-

Purple

Purple -

Blue

Orange-

Purple

Purple -

Orange

Green-

Purple

Purple -

Green

Brown-

Purple

Purple -

Brown

Gray-

Purple

Purple-

Gray

The picture below shows the pair 1 to pair 5 wiring:

3. RJ21 cable with Patch Panel wiring

There are 25 RJ11 ports on patch panel, and each port is marked from 1 to 25 (S2400

series use port 1 to 24).

Each port has a LED indicator on it.

The LED indicator is lighted when

this port is for FXS functionality after

system booting complete. For FXO

port, the LED indicator is not lighted

till PSTN plugged with proper

polarity (RJ11 pin 4 is positive

polarity).

G SB800 / S1600 / S2400 Series module extension