An external call station can be connected via the single wire terminal 'CN1' on the front of the PN2009-A1 or via an RJ45 plug 'J4' on the rear.

Single wire connector - 'CN1'

PN2009-A1' single wire connector - 'CN1'

Pin

Description

Remark

1

Signal out +

Isolated Analog audio out +

2

Signal out -

Isolated Analog audio out -

3

24 V

Isolated 24 V

4

D-

Isolated RS485 data -

5

D+

Isolated RS485 data +

6

GND

GND reference to isolated 24 V

7

Signal in +

Isolated Analog audio in +

8

Signal in -

Isolated Analog audio in -

If twisted pair cables are used, ensure that corresponding signals are connected to a pair of twisted wires, e.g. 24 V and GND, D- and D+.

RJ45 connector - 'J4'

PN2009-A1' RJ45 connector - 'J4'

Pin

Description

Remark: when used in a 2x4 wire cable

CAT5 according to T568B

Fire alarm cables color code according to VDE0815

1

Signal out +

White/orange

Grey

2

Signal out -

Orange

Yellow

3

24 V

White/green

Brown

4

D-

Blue

Red

5

D+

White/blue

Blue

6

GND

Green

Green

7

Signal in +

White/brown

White

8

Signal in -

Brown

Black