Chapter 2. Installation and Setup ASM-20 Installation and Operation Manual
2-6 Electrical Installation 11/4/99 14:09
Table 2-1 ASM-20 Strap Selection Settings (Cont.)
Jumper and
Switch Identity
Function Possible
Settings
Factory
Setting
SW2
ASYNC LENGTH
(3 dip switches)
Select character length in async mode
(see Table 2-2 for further explanation).
Selects the stop bit reduction rate to be used in
async mode.
S1 S2 No. Bits
OFF OFF 8
ON OFF 9
OFF ON 10
ON ON 11
S3
OFF 25%
ON 12.5%
S1 = OFF
S2 = OFF
S3 = ON
SW3
Baud Rate (kbps)
Selects the data rate. Rate
0) 256 kbps
1) 192 kbps
2) 144 kbps
3) 128 kbps
4) 115.2 kbps $
5) 112 kbps
6) 96 kbps
7) 72 kbps
8) 64 kbps
9) 57.6 kbps $
A) 56 kbps
B) 48 kbps
C) 38.4 kbps $
D) 32 kbps
E) 28.8 kbps $
F) 19.2 kbps $$
64 kbps
$ Async baud rate
$$ Async/Sync baud rate
Table 2-2 Async Character Length Setting
Start Bit Data Bits Parity Stop Bit No. of Bits
1 5 NONE 2 8
1 6 NONE 1, 1.5, 2 8
9
1 6 ODD, EVEN 1, 1.5, 2 9
10
1 7 NONE 1, 1.5, 2 9
10
1 7 ODD, EVEN 1, 1.5, 2 10
11
1 8 NONE 1, 1.5, 2 10
11
1 8 ODD, EVEN 1, 1.5, 2 11