CLSS Gateway - Installation and Users’ Manual | P/N:LS10248-000HW-E | REV. F | FEB/11/2022
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Silent Knight Panels
Connecting to the Panels
C.12 Silent Knight Panels
C.12.1 Connection Options
The gateway operates only with the Silent Knight fire alarm control panels as listed in the
table below:
Table C.10: Silent Knight Panel Connection Options
Minimum Required Versions
For the Panel: 6.05.01
For the CLSS Gateway: 3.1.4.74
C.12.2 To Use an RS-485 Connection
Using an RS-485 cable the CLSS Gateway connects with the annunciator primary
terminal of the panel.
1. On the Gateway Side
At the RS-485 A port in the gateway board:
• Connect the A connector to the IN+ pin of the RS-485 A port.
• Connect the B connector to the IN- pin of the same RS-485 A port.
The RS-485 ports in the gateway board are labeled as 3 and 4 in the
2. On the Panel Side
At the S-BUS board in the ANN-BUS PRI terminal:
• Connect the RS-485 +ve wire to the A port.
• Connect the RS-485 -ve wire to the B port.
3. Power Connection
On the Gateway Side
In the power supply port (labeled 7 in the
:
• Connect the Red wire to the +24V pin.
• Connect the Black wire to the Gnd pin.
On the Panel Side
In the power board of the panel:
• Connect the Red wire to the +ve pin.
• Connect the Black wire to the -ve pin.
Fire Alarm Panel Models
RS-485
UART/TTL
RS-232
USB
006700
Yes
No
No
No
006808
Yes
No
No
No
6820
Yes
No
No
No
6820EVS
Yes
No
No
No
!
CAUTION: WHEN SUPPORTING THE ALARM TRANSMISSION, IT IS RECOMMENDED THAT THE SILENT
KNIGHT PANEL SHOULD USE SECONDARY ANN BUS CHANNEL WITH CLASS A WIRING.
IF THE ALARM TRANSMISSION SERVICE IS
NOT
USED, THE PANEL CAN USE EITHER THE PRIMARY OR
THE SECONDARY ANN BUS CHANNEL FOR THE CLSS GATEWAY CONNECTION.
!
CAUTION: CONNECT EITHER THE CLSS GATEWAY OR THE ANN S/P G MODULE WITH THE PANEL. BOTH
OF THEM SHOULD NOT BE CONNECTED TOGETHER WITH THE PANEL.
