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10.3 Interface Specifications
(1)
Transmission system
(2)
Transmission rates
(3)
Transmission codes
(4)
Signal levels
(5)
One-character bit configuration Start bit:
(6)
Parity bit:
Logic "1"
1
Logic "0"
Start bit
34
Serial transmission with start-stop synchronization
1200/2400/4800/9600 bps.
ASCII codes (8-bit)
Compliant with EIA RS-232C
HIGH level (Data logic 0)
LOW level (Data logic 1)
Data bit:
Parity bit: 0/1 bits
Stop bit:
none/odd/even
LSB
2
3
4
5
Data bit
+5 to +15 V
-5 to -15 V
1 bit
8 bits
2 bits
MSB
6
7
8
9
(may be omitted)
10
11
12
Stop bit
Parity bit
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