REV.-A
OPTIONAL EQUIPMENT 3
3.1 INTERFACE OPTIONS
The LQ-510 can utilize Model 8100 series optional interfaces. The main interfaces are listed in Table 3-1.
Table 3-1. Optional Interfaces
RS-232C
Current Loop
Model
8143
Buffer Size
None
Description
Flag Control
X-ON /OFF
Control
-
-
Max. Bit Rates
(bps)
-
8148
2K/8K
I
0
!
0
I
19200
I
IEEE-488
(GP-IB)
8165
Buffer Size
Function
2K/8K
AH, L, DC
Listen-Only
Operation
0
Address
Operation
0
NOTE:
For details, refer to the “Optional Interfaces Technical Manual.”
3.1.1
MODEL
8143 SERIAL INTERFACE OPERATION
With the optional Model 8143 interface, the printer can support the RS-232C data protocol and a 20 mAA
neutral current loop.
Specifications
Synchronization
Bit rate
Word length
Start bit
Data bits
Parity bit
Stop bit
Signal level
RS-232C
Current loop
Handshaking
l
Selectable by DIP switch.
Asynchronous
75 to 19200 bps
l
1 bit
7 or 8 bits*
Odd, even, or none*
1 bit or more
Mark
= logical “1” (-3 to -27 V)
Space = logical “0” ( + 3 to + 27 V)
Mark
= logical “1
n
(current ON)
Space = logical “0” (current OFF)
By REV signal or X-ON/OFF code
(Signal polarity can be inverted by jumper setting.)
NOTE:
If the parallel interface cable is connected, disconnect it before using the 8143 board, because parallel
interface input is used to read jumper settings and DIP switch status.
LQ-510
3-1
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