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CHAPTER 9: Data-Channel Configuration
97
Autobaud Rate Detection (ABR). The Multiserver
5000 has the capability of automatically
determining the data rate of a port in the range of
50 to 19,200 bps by dynamically examining the first
(sign-on) character after a connect. In addition, the
Multiserver will pass the sign-on character (a
carriage return) to a host computer, if the port
configuration is set in the following manner:
• Port where the sign-on character is originated.
Data Rate (option 1) = ABR
Channel End To Host/
To Terminal (option 6) = Terminal
• Port where the sign-on character is received.
Data Rate (option 1) = ABR
Channel End To Host/
To Terminal (option 6) = Host
The data rates supported are shown in Table 9-9.
Code Level and Parity Conversion. When you select
the code level, note that Multiserver’s code level
includes parity in its data bits. Table 9-10 shows the
actual bit conversion.
Table 9-9. Autobaud Rates
Rate Code Level ABR Sign-on
(bps) (bits) Stop Bits Character
50 5 1.5 <cr>
75 5 1.5 <cr>
110 8 1 <cr>
150 8 1 <cr>
200 8 1 <cr>
300 8 1 <cr>
600 8 1 <cr>
1200 8 1 <cr>
1800 8 1 <cr>
2400 8 1 <cr>
4800 8 1 <cr>
9600 8 1 <cr>
19200 8 1 <cr>
Table 9-10. Multiserver Bit Conversion
Code Level* Parity Number of Number of
(option 2) (option 3) Data Bits Parity Bits
9 E, O 8 1
8N 80
8 E, O, M, S 7 1
7N 70
7 E, O, M, S 6 1
6N 60
6 E, O, M, S 5 1
5N 50
Key: E = Even
* Includes parity bit
M = Mark
N = None
O = Odd
S = Space