TB4 Alarm Relay
TB3 Trouble Relay
TB2 SUPV/ALARM Relay
TB1 SECUR/ALARM Relay
Note: Relay circuits are power-limited (Class 2)
only if connected to a power-limited signal source.
Relays are rated for 2A@30VDC. See page 26.
SW2 Supervisory
SW1 Security
USB
Future Use
TB9 RDP pins: LCD-160 or LCD-80
(supervised)
TB5, left side. Printer (isolated)
TB5, CTX/CRX Keltron
printer supervision
(TB5, CTX & REF, No
connection)
J1, Network
Connection
(NUP),
Cable P/N
75556
J4 Backlight
connection
Lithium battery for backup of on-
board memory (See page 23)
J9 Keypad Connection
No Connection
TB6 - Accessory power.
See page 29.
J13 Power connections
(non-power-limited).
See page 29.
J6 Security switch connection
J5 Trouble bus connection
NCA2boardUL9.wmf
LED status
indicator, factory
use only. Refer to
page 36 for
keypad indicators.
J2 LCD
connection
TB7 ACS (power-limited/Class 2, supervised)
TB9 TOut pins: LCD-80 return
USB VeriFire Tools connection