|
NEW SERIAL INTERFACE #8143
EPSON, INC.
NEW SERIAL INTERFACE #8143
|
Card Type
|
Serial interface card
|
|
Chipset/Controller
|
Unidentified
|
|
I/O Options
|
Serial interface
|
|
Maximum DRAM
|
N/A
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
|
Serial Interface
|
CN1
|
|
HANDSHAKING PROTOCOL
|
|
Function
|
J1
|
J2
|
J3
|
J4
|
J5
|
|
Pull up "TTY-TXD" to +12V via 470
W
|
On
|
Off
|
Off
|
Off
|
Off
|
|
Connect : "TTY-TXD Return" to Signal Ground
|
Off
|
On
|
Off
|
On
|
Off
|
|
Pull up "TTY-RCD" to +12V via 470
W
|
Off
|
Off
|
On
|
Off
|
Off
|
|
Pull up "DSR" and "DCD" to +12V via 4.7k
W
|
Off
|
Off
|
Off
|
Off
|
On
|
|
Note:The factory default setting for J1, J2, J3, and J4 is Off. The factory default setting for J5 is on.
|
|
DTR PROTOCOL
|
|
Signal
|
JNOR
|
JREV
|
| »
|
DTR=MARK (RS232), TTY-TTD = MARK (current loop)
|
On
|
Off
|
|
|
DTR=SPACE (RS232), TTY-TXD = SPACE (current loop)
|
Off
|
On
|
|
Note:MARK = logic "1" (-3 to -27V), SPACE = logic "0" (+3 to +27V) for RS232C For Current loop, MARK = logic "1" (current on), SPACE = logic "0" (current Off).
|
|
INPUT DATA CONFIGURATION
|
|
Data
|
JC
|
JRS
|
| »
|
RS232 level
|
Off
|
On
|
|
|
Current loop level
|
On
|
Off
|
|
OUTPUT DATA CONFIGURATION
|
|
Output
|
JF
|
JX
|
| »
|
Reverse channel flag to TTY-TXD (current loop)
|
Off
|
On
|
|
|
X-On/X-Off signal to TTY-TXD (current loop)
|
On
|
Off
|
|
DATA BIT SELECTION
|
|
Data Bit
|
SW1/2
|
| »
|
7
|
On
|
|
|
8
|
Off
|
|
PARITY CONFIGURATION
|
|
Setting
|
Parity check
|
SW1/5
|
SW1/6
|
| »
|
Enabled
|
Even
|
On
|
On
|
|
|
Disabled
|
Odd
|
Off
|
Off
|
|
INTERFACE SELECTION
|
|
Interface
|
SW1/8
|
| »
|
Serial interface is valid
|
On
|
|
|
Parallel interface is valid
|
Off
|
|
BIT RATE SELECTION
|
|
Bit rate
|
SW1/1
|
SW1/3
|
SW1/4
|
SW1/7
|
|
75
|
On
|
On
|
On
|
On
|
|
110
|
On
|
Off
|
On
|
On
|
|
134.5
|
On
|
On
|
Off
|
On
|
|
150
|
On
|
Off
|
Off
|
On
|
|
200
|
Off
|
On
|
On
|
On
|
|
300
|
Off
|
Off
|
On
|
On
|
|
600
|
Off
|
On
|
Off
|
On
|
|
1200
|
Off
|
Off
|
Off
|
On
|
|
1800
|
On
|
On
|
On
|
Off
|
|
2400
|
On
|
Off
|
On
|
Off
|
|
4800
|
On
|
On
|
Off
|
Off
|
|
9600
|
On
|
Off
|
Off
|
Off
|
|
19200
|
Off
|
On
|
On
|
Off
|
|
19200
|
Off
|
Off
|
On
|
Off
|
|
19200
|
Off
|
On
|
Off
|
Off
|
|
19200
|
Off
|
Off
|
Off
|
Off
|
|