HIGH LEVEL INTERFACE
8
P/N 06-158
UL S3217
Rev 5, 02/2015
FM 3020297
2.3 ELECTRICAL
SPECIFICATIONS
The HLI provides two terminal blocks which allow connection of the 24VDC power input and VESDAnet
wiring. A RJ11 jack is provided to allow connection of the interconnection cable between the HLI and the
host control panel (See Exhibit 3).
Exhibit 4: Terminal Block Specifications
TERMINAL
DESCRIPTION
NOMINAL RANGE SPECIFICATION DETAILS
P10
Term: 24 VDC
0 VDC
24 VDC
0 VDC
24VDC Power input
Incoming
Outgoing
Power-limited
Supervised
245 mA @ 24VDC (standby and alarm)
Power for VESDA High Level Interface must
come from Power Supply on Fike Control Panel
or Ground fault could result.
Wiring 16AWG minimum, THHN
Terminal block accepts 12 AWG–16 AWG
P9
A+
A-
Shield
B+
B-
Shield
VESDAnet
Incoming
Outgoing
RS485
Non-power-limited
Supervised
120
Ω
impedance shielded twisted pair cable
(Belden 9841 wiring or equivalent)
4265 ft. (1300 m) maximum between two
VESDAnet devices
Maximum 40 VESDA detectors connected to
HLI if used for primary detection
Panel
RS232 data
RS232
Supervised
Non-power limited
Serial communication cable
20 ft. (6.1 m) maximum cable length in conduit
to Fike Control Panel located in same room
Cable shipped with assembly is 14 ft. (4.26 m)
in length
24VDC FROM PANEL
24VDC OUT TO NEXT DEVICE
SHIELD
WIRE
+24V
VESDA PC Link HLI
P10
P9
0V
+24V
0V
V'net A+
V'net A-
SHLD
V'net B+
V'net B-
SHLD
SHIELD
WIRE
VESDAnet IN
VESDAnet OUT
RS232 CABLE TO
CONTROL PANEL
Exhibit 3: Circuit Board Wiring Connections
