
User manual
EXPERT 2K-FA
Pag. 32 of 32 Issue 2 – May 2011
12. CONNECTIONS
12.1 CAT Connector
In this diagram the rear panel CAT connector and pin-outs are shown. If you have
already used our 1K-FA amplifier you will note the connections are the same.
pin n.
pin name
Description
1
RX 232
9
TX 232
Used on KENWOOD and YAESU transceivers for the link with a RS-
232 connection.
2
/ TX - INH
Open collector normally off, stops transmission when gnd. (on).
10 RX
TTL
3
TX TTL
Used on Icom, KENWOOD and YAESU transceivers for the CAT 5V
TTL connection.
11
KEN TTL
Connect to GND if CAT 5V TTL KENWOOD connection.
4
GND
Signal ground.
12
RELAY
Connected in parallel with the RCA phono RELAY connector.
5
ALC
Connected in parallel with the RCA phono ALC connector.
13
TX - INH
Normally to gnd. (550 ohm), stops transmission when + 12V.
6
DATA A
Bit A of Band Data (digital switch of band for YAESU).
14
DATA B
Bit B of Band Data (digital switch of band for YAESU).
7
DATA C
Bit C of Band Data (digital switch of band for YAESU).
15
DATA D
Bit D of Band Data (digital switch of band for YAESU).
8
REMOTE ON
Applying a voltage from 9 to 15 Vdc. turns the amplifier ON.
Using the above information, an appropriate cable for your transceiver(s) may be
constructed, or you might wish to order a correctly made-up cable when you order your
amplifier from your local dealer. The amplifier connector is included with the amplifier,