1200-2000 Series Fire Panels, Repeaters, and Emulators
Interconnection and Wiring Guide
22
3.6 Network
connections
3.6.1
RS485 / fibre-optic network interface
Figure 18: Network interface and associated connection
1.
Repeater mode selection
2.
NC2011 (RS485)
3.
Jumper J1 –Termination end of line (see
4.
Jumper J2 – Earth connection (see Figure 19)
5.
Channel A
6.
Channel B
7.
Screen
8.
NC2051 (optical)
9.
Tx – Transmit A
10.
Rx – Receive A
11.
Optical fibre connection channel A
12.
Tx – Transmit B
13.
Rx – Receive B
14.
Optical fibre connection channel B
