Midian Encryption Programming and Service Manual
TM8000 Encryption
51
June 2006
© Tait Electronics Limited
4.3
Link Setting
The table below describes link setting for other available options.
10
IOP_TXD
Asynchronous serial port - Transmit data
Digital
3.3 V
CMOS
11
CS1
Code space 1 output/ Input (default is out)
Digital
3.3 V
CMOS
12
CS2
Code space 2 output / Input (default is out) Digital
3.3 V
CMOS
13
CS3
Code space 3 output / Input / wakeup / ind. Digital
3.3 V
CMOS
14
CS4
Code space 4 output / Input / wakeup / ind. Digital
3.3 V
CMOS
15
GND
Ground
Ground
Link Description
Setting
1-2
Comment
Link 1
Rx Busy
1-2
Rx busy from RSSI detect
Factory fitted default
2-3
External Rx Mute
SK1 pin1
Link 2
External PTT (OTAR base)
Fitted
Fit link and remove R19
R19 must be removed
Link 3
Direct PGM IN
Fitted
Fit for direct PGM
Not used in this application
Link 4
Direct PGM OUT
Fitted
Fit for direct PGM
Not used in this application
Link 5
Alert Tones
Not fitted Fit link for go-ahead beep
Future Develpment
Link 6
External Encryption Indicator
Fitted
Fit for external indicator
Future Development
Link 7
Wake up
1-2
Fit for Wake up from GPI07
Not used in this application
2-3
Fit for Wake up from GPI08
Link 8
Indicator link
1-2
Fit for IND to GPI06
Not normally fitted
2-3
Fit for IND to GPI08
Link 9
Code space 8
1-2
Fit for GPI07 to CS8 (Normal) Factory fitted default
2-3
Fit for ground on CS4
Link 10 Code space 4
1-2
Fit for GPI06 to CS4 (Normal) Factory fitted default
2-3
Fit for ground on CS4
