C-TEC CAST XFP Engineering Manual page 13

CAST XFP 16 ZONE ANALOGUE ADDRESSABLE FIRE ALARM PANEL
Fig.12 : Typical network wiring
The network wiring should be installed to meet BS 5839: Part 1 and BS 7671 (Wiring Regulations) and/
or other national standards of installation where pertinent - see 'cable types & limitations', page 3.
It is recommended that 2-core screened, enhanced fire-resistant cable ≥1 mm
At each network driver card, connect A to A, B to B and terminate incoming and outgoing screens to
terminal C only as shown below.
At ONE network driver card, connect A to A, B to B and terminate screens to the panel's base earth
distribution post as shown below.
TO NEXT
NETWORKED
PANEL
(IF REQUIRED)
A B C A B
PANEL 1
NETWORK DRIVER
CARD
(XFP761)
AT ONE PANEL ONLY CONNECT SCREEN TO THE BASE
EARTH DISTRIBUTION POST (PANEL 1 SHOWN ABOVE)
ENGINEERING MANUAL • Approved Document No. DFU5010000 Rev 4 • Page 13 of 48
MAXIMUM NETWORK LENGTH = 1KM
A B A B
C
PANEL 2
NETWORK DRIVER CARD
(XFP761)
FOR OTHER NETWORKED PANELS DO NOT CONNECT
SCREENS TO THE BASE EARTH DISTRIBUTION POST
Base Earth Distribution Post
2
is used for network wiring.
A B A
B
C
PANEL N
NETWORK DRIVER CARD
(XFP761)
POWER SUPPLY
PCB
TO NEXT
NETWORKED
PANEL
(IF REQUIRED)