TEM A07A2200S - Page 53

A07A2200S
380 221 R02
N° FUNCTION CONNECTION
1 NC
2 INPUT RS485 +
3 INPUT RS485 -
4 NC
5 GND
6
+8V (Opt remote Zarat)
7
NC
Remote State
8 NC
7
COM3B
RS485 to N+1 system
PIN
NUMBER
( DB9 )
9 NC
8
EXTERNAL MONO / MPX
INPUT ADJUSTMENT
Trimmer RT5 / AUDIO IN board
± 2 dB adj. ref to nominal value set for 75 Khz modulation
frequency
9
SUBCARRIER 1
INPUT ADJUSTMENT
Trimmer RT1 / AUDIO IN board
-20 dBu adj.
10
SUBCARRIER 2
INPUT ADJUSTMENT
Trimmer RT2 / AUDIO IN board
-20 dBu adj.
11
NOMINAL VALUE LF
INPUT SETTING
Jumpers Z3,Z4,Z5,Z6 / AUDIO IN board
0 , 4.1 , 6 , 12 dBm setting choice
11a
VARIABLE OR FIXED
LF INPUT LEVEL
Set jumpers on variable position to adjust the LF input level in
the range of ±2 dB respect the nominal level.
Set the jumpers on fixed position to keep the LF input level fix.
12
PREEMPHASIS
VALUE CHOICE
Jumpers Z8,Z2 / AUDIO IN board
50 / 75 microseconds choice
13
MONO INPUT ( L / R )
IMPEDENCE CHOICE
Jumpers Z1,Z7 / AUDIO IN board
600 Ohm / 10 Kohm choice
14
LEFT INPUT
ADJUSTMENT
Trimmer RT4 / AUDIO IN board
± 2 dB adj. ref to nominal value set for 75 Khz modulation
frequency
15
RIGHT INPUT
ADJUSTMENT
Trimmer RT3 / AUDIO IN board
± 2 dB adj. ref to nominal value set for 75 Khz modulation
frequency
16
SCA1 & SCA2
INPUTS
BNC connector
17 EXTERNAL MPX INPUT BNC connector
1 GND
2 LEFT + (unbalanced with GND)
18 LEFT INPUT
PIN
NUMBER
(Cannon)
3 LEFT –
(balanced with LEFT+)
1 GND
2 RIGHT + (unbalanced with GND)
19 RIGHT INPUT
PIN
NUMBER
(Cannon)
3 RIGHT –
(balanced with RIGHT-)
20 RF OUT 7/16” Connector
21 AC FUSES
22 ALARMS