2-13
Hardware Setup
MS-98K1
Serial Port Connector: JCOM1, JCOM2
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach serial devices to it through the optional serial
port bracket.
SKUs
Feature
SKU1
SKU2
SKU3
COM
4 x RS232/422/485
■
COM1: RS232/422/485, RI/5V/12V
■
COM2~4: RS232/422/485, 0V/5V/12V
1 x RS232/422/485, 3 x RS232
■
COM1: RS232/422/485, RI/5V/12V
■
COM2~4: RS232, 0V/5V/12V
RS232
PIN
SIGNAL
DESCRIPTION
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
DCD
SIN
SOUT
DTR
GND
DSR
RTS
CTS
VCC/RI
Data Carrier Detect
Signal In
Signal Out
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Voltage select setting by jumper/Ring Indicator
RS422
PIN
SIGNAL
DESCRIPTION
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
422 TXD-
422 TXD+
422 RXD+
422 RXD-
GND
NC
NC
NC
NC
Transmit Data, Negative
Transmit Data, Positive
Receive Data, Positive
Receive Data, Negative
Signal Ground
No Connection
No Connection
No Connection
No Connection
RS485
PIN
SIGNAL
DESCRIPTION
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
485 TXD-
485 TXD+
NC
NC
GND
NC
NC
NC
NC
Transmit Data, Negative
Transmit Data, Positive
No Connection
No Connection
Signal Ground
No Connection
No Connection
No Connection
No Connection