RFL 9780 RFL Electronics Inc.
March 10, 2000 3-6 (973) 334-3100
3.5.5 ALARM OUTPUT CONNECTIONS
Alarm output connections are made to terminal blocks TB6 and TB7 on the rear of the RFL 9780
chassis. Terminal assignments are as follows:
Signal Name Contact Type Terminal Assignments
POWER FAIL Common TB6-1
Normally Open TB6-2
Normally Closed TB6-3
TX FAIL Common TB6-4
Normally Open TB6-5
Normally Closed TB6-6
LOGIC FAIL Common TB7-1
Normally Open TB7-2
Normally Closed TB7-3
LOW LEV Common TB7-4
Normally Open TB7-5
Normally Closed TB7-6
All alarm relays are normally energized.
3.5.6 OTHER CONNECTIONS
There may be unused terminals on some RFL 9780 rear-panel terminal blocks. These may be used for
making connections to any accessory equipment supplied with your RFL 9780 terminal. Refer to the
"as supplied" drawings furnished with your terminal for further information.
3.5.7 RF INPUT/OUTPUT CONNECTIONS
There are two rf connectors on the rear of the RFL 9780 chassis which are marked "TX" and "RX". The
outgoing coaxial cable is connected to the TX connector, and the incoming coaxial cable is connected
to the RX connector.
If the RFL 9780 terminal is equipped with an optional hybrid module (Section 18), a single coaxial
cable is used to carry both the transmitter output and receiver input signals. In these terminals, the
single coaxial cable is connected to the RX connector.
WARNING
THE RFL 9780 CHASSIS MUST BE PROPERLY GROUNDED AS DESCRIBED IN
THE FOLLOWING PARAGRAPH BEFORE ATTEMPTING TO CONNECT INPUT
POWER. IMPROPER GROUND CONNECTIONS MAY RESULT IN SYSTEM
MALFUNCTIONS, EQUIPMENT DAMAGE, OR ELECTRICAL SHOCK.
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