Network Connections - GE 1200 Series Interconnection And Wiring Manual

1200-2000 Series Fire Panels, Repeaters, and Emulators
22
Interconnection and Wiring Guide
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 Figure 19)
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