Technical data

SYSTEM CONNECTOR INTERFACE
37
LZT 123 8020 R1A
T
PCMCLK
PCM clock period with 50/50 mark space ratio 5 µs
F
PCMSYN
PCM sync frequency 8 kHz
Typical Rise/Fall times Rise Time Fall Time Unit
PCMCLK 19 18 ns
PCMSYN 19 15 ns
PCMOUT 900 900 ns
PCMDLD 20 19 ns
5.9 Serial Data Interfaces
Pin Signal Dir Description RS232
CCITT
41 TD I Serial data to radio device (UART1) 103
42 RD O Serial data from radio device (UART1) 104
39 RTS
IO9
I
I/O
Request To Send (UART1)
General purpose input/output 9
105
40 CTS
O4
O
O
Clear To Send (UART1)
General purpose output 4
106
37 DTR
IN1
I
I
Data Terminal Ready (UART1)
General purpose input 1
108.2
32 DSR
O3
O
O
Data Set Ready (UART)
General purpose output 3
107
38 DCD
O1
O
O
Data Carrier Detect (UART1)
General purpose output 1
109
36 RI
O2
O
O
Ring Indicator (UART1)
General output 2
125
45 TD2 I Transmitted Data (UART2)
46 RD2 O Received Data (UART2)
43 TD3 I Transmitted Data (UART3)
44 RD3 O Received Data (UART3)
The serial channels, consisting of three UARTs, are
asynchronous communication links to the application or
accessory units.
• UART1 has RS-232 functionality and is used for all on- and
off -line communication.