1 DISPLAY
2 FbA (Function button A)
3 PTT button
4 RS (Rotary Switch)
TA-7625
VHF Transmitter
5 Low indicator LED
6 Remote LED
7 Front connector
8 FbC (Function button C)
9ON/OFF
10 FbB (Function button B)
11 OUT LED
12 SWR LED
13 ALARM LED
14 STANDBY LED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TA-7625
Front RJ45 connector
Front Connector, RJ45
Name PIN Purpose
Mic input
Mic GND 2
Headset 3
RS232 4 RS232 Tx
RS232 5 RS232 Rx
PTT 6 Key at GND
+12VDC 7 +12 VDC to external equipment (10mA)
GND 8 Common ground
1
Dynamic. Sensitivity 2.5mV nominal.
TA-7625
Technical data, 1 of 3
Standards; ICAO annex 10, EN300 676(AM, AM-MSK),
EN301 841(VDL2 – Physical layer)
EMC: EN 301 489 – part 22
Environmental: Temperature range -20°C to +55°C (operating) -
40°C to +70°C (storage) Humidity 90% @+40°C
(non condensing)
Shock Transport: IEC-721-3-2, Class 2M3
Vibration Transport: IEC-68-2-32, Class 2M3. IEC-68-2-6
Weight: 3.0 kg
Dimension: 142mm(28TE)(W) * 230mm(D) * 128mm (H)
TA-7625
Technical data, 2 of 3
Transmitter AM 25kHz AM 8.33kHz
Adjacent channel power: >70dB >60dB
Frequency response: 300-3400 Hz 350-2500 Hz
RF modes: 6K80A3EJN 5K00A3EJN
Keying time: < 1,0ms < 1,0ms
BITE monitoring: VSWR, Voltages, Currents, Levels, Lock
detect, Temperature, Output power, Reflected
power, a.o.
Supply voltage: DC 21.6 - 31.2VDC negative ground
Power consumption: < 280VA
MTBF: >10 years / unit
MTTR: <30 minutes at lowest replaceable unit
TA-7625
Technical data, 3 of 3
Data ports: RS232, RS485, 100/10BaseT
Protocol: (SNMP v.2)
RS232/RS485 Jotron proprietary
Output power: 1-50W ±1dB
Duty cycle: 100% continuous operation @ ambient
below 40ºC
VSWR: 1: infinity
Intermodulation protection: >40dB when interfering signal is
decoupled with at least 30dB
Modulation level: Up to 95%
Distortion: < 3%
Line input: 600Ω, -36 to +7 dBm
TX timeout: 15s to 5 min in 1s steps
Simple Network Management
Inband keying: Configurable tones 100 – 5000Hz
Carrier offset: 2, 3, 4, or 5
Wide band noise: <150dBc @ 1% frequency offset
TA-7625
Menus, 1 of 16
FbA
RS
NOTE: RS can be pushed and turned.
The radio is controlled through an advanced menu system.
The access level for each menu is restricted by a user parameter.
The System Operator can change all user parameters from SNMP, or
FbB
FbC
from the menu using a hardware key.
TA-7625
Menus, 2 of 16
There are four user access levels:
User
parameter:
1 System Operator Full access to all parameters
2 Technician Access to some settings in TX
3 Operators Access only to Volume,
4 Restricted Restricted to Volume and
Name of menu: Access and restrictions:
(R/W by System Operator)
menu system + bite (R/O)
Frequency and memory store
and recall
memory recall
TA-7625
Menus, 3 of 16
When operated locally, the operator has full access to all facilities
using the various controls at the front panel.
Push RS
TA-7625
Menus, 4 of 16
TA-7625
Menus, 5 of 16
TA-7625
Menus, 6 of 16
TA-7625
Menus, 7 of 16
TX config subtree menu, 1 of 2
TA-7625
Menus, 8 of 16
TX config subtree menu, 2 of 2
TA-7625
Menus, 9 of 16
Interface config subtree menu, 1 of 2
TA-7625
Menus, 10 of 16
Interface config subtree menu, 2 of 2
TA-7625
Menus, 11 of 16
Bite system subtree, 1 of 2
TA-7625
Menus, 12 of 16
Bite system subtree, 2 of 2
TA-7625
Menus, 13 of 16
To maneuver in the menu systems, use the up-button FbA,
the down-button FbB or (preferably) turn the RS.
The different submenus are selected by pressing the rotary
switch and turning up/down until the desired menu is
reached. (FbA, FbB and FbC may be used as well)
To return to previous menu, press RS (or FbC) when “ ,,,” is
selected in the present menu.
The TA-7650 will enter the Operator menu when turned
“ON”.
Press RS
TA-7625
Menus, 14 of 16
Operator menu, 1 of 3
Normal operating display
Normal operating display with no channels
stored. Press FbC to recall stored channels.
Press RS
PressRS
Press RS
Set headset volume by turning
RS. Press FbC to mute headset
See part 3 for selecting frequency
Press RS
TA-7625
Menus, 15 of 16
Operator menu, 2 of 3
Press FbC to store new frequency on specified
channel. Select storing channel by turning RS
Select brightness level by turning RS.
Press RS
Press FbA
TA-7625
Menus, 16 of 16
Operator menu, 3 of 3
Select 8,33kHz steps by turning RS. For no changes
press FbC.
Select 100kHz steps by turning RS.
Press FbA
Press FbC
Select 1MHz steps by turning RS.
Press FbC to store new frequency and return.
TA-7625
Rear RJ45 connectors, 1 of 6
1 EARTH TAG
2 ANTENNA CONNECTOR
1 2 3 4
3 ANTENNA
OUTPUT CONNECTOR
STANDBY / RX ANTENNA
4 DC INPUT CONNECTOR
5 LAN CONNECTOR
6 AUX 1 CONNECTOR
7 AUX 2 CONNECTOR
8 REMOTE CONNECTOR
9 RX CONNECTOR
5
6
7
8
9
TA-7625
Rear RJ45 connectors, 2 of 6
LAN interface connector
PurposePINName
Tx data1LAN_TXP
Tx data2LAN_TXN
Rx data3LAN_RXP
Optional4LAN_D3P
Optional5LAN_D3N
Rx data6LAN_RXN
Optional7LAN_D4P
Optional8LAN_D4N
TA-7625
Rear RJ45 connectors, 3 of 6
Aux 1 connector
Name PIN Purpose
ALARM_P 1 Alarm out – rele
ALARM_N 2 Alarm out – rele
Select_in_P 3 Select in – opto isolated
RS232_S 4 RS232 Transmit data
RS232_R 5 RS232 Receive data
Select_in_N 6 Select in – opto isolated
+12V 7 12V output to ext
equipment (D/O: 300mA)
GND 8 Common ground
TA-7625
Rear RJ45 connectors, 4 of 6
AUX 2 connector
Name PIN Purpose
Key_out_P 1 Closed=Transmitting - opto output
Key_out_N 2 Closed=Transmitting - opto output
MONITOR_P 3 Monitor output to tape recorder
TXLOW_P 4
TXLOW_N 5
MONITOR_N 6 Monitor output to tape recorder
TXKEY_P 7
TXKEY_N 8
Applying a voltage > 5VDC between
pin 4 and 5 forces the transmitter into
low power
Applying a voltage > 5VDC between
pin 4 and 5 forces the transmitter into
low power
Applying a voltage > 5VDC between
pin 7 and 8 will key the transmitter
Applying a voltage > 5VDC between
pin 7 and 8 will key the transmitter
TA-7625
Rear RJ45 connectors, 5 of 6
REM connector (Interface to remote equipment)
Name PIN Purpose
RS485_Z 1 RS485 (-)
RS485_Y 2 RS485(+)
LINE_P 3 Diff. line input/output to TX/RX, 600 ohm
TX_KEY_G 4 Key at GND
RX_BUSY_
OUT
LINE_N 6 Diff. line input/output to TX/RX, 600 ohm
ALARM 7 Low=Alarm (TX or TX/RX)
GND 8 Common ground
5 RX Busy indicator output (Squelch indicator)
TA-7625
Rear RJ45 connectors, 6 of 6
RX connector (Interface to receiver, transceiver config)
Name PIN Purpose
RS485_Z 1 RS485 (-)
RS485_Y 2 RS485(+)
LINE_P 3 Diff. line input to RX, 600 ohm
TX_BUSY 4 TX Busy indicator output (Mute output)
RX_BUSY 5 RX Busy opto-input (Repeater Key input)
LINE_N 6 Diff. line input to RX, 600 ohm
INT_ALARM
GND 8 Common ground
7
Low=Alarm (Note: I/O – low input will also be
recognized as an alarm (EXT)
TA-7625
External wiring
RJ45 KRONE
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