Main I/O Connector (J13) - VersaLogic Komodo VL-EPICs-36 Reference Manual

Main I/O Connector (J13)

The 50-pin I/O connector (J13) incorporates the COM ports, PS/2 keyboard and mouse,
programmable LED, reset button, soft power reset, and speaker interfaces. Table 15 illustrates
the function of each pin. The 5.0V power lines provided to J13 are protected by a 1 Amp fuse.
J13 VL-CBR-5009
Pin Connector
1 COM1
2 J3
3 Top DB9
4
5
6
7
8
9
10 COM2
11
J3
12 Bottom DB9
13
14
15
16
17
18
COM3
19 J6
20
21
22
23
24
25
VL-EPICs-36 Reference Manual
Table 15: I/O Connector Pinout
Pin Signal
1 Data Carrier Detect
6 Data Set Ready
2 Receive Data
7 Request to Send
3 Transmit Data
8 Clear to Send
4 Data Terminal Ready
9 Ring Indicator
5 Ground
10 Data Carrier Detect
15 Data Set Ready
11 Receive Data
16 Request to Send
12 Transmit Data
17 Clear to Send
13 Data Terminal Ready
18 Ring Indicator
14 Ground
RS-232 RS-232/422/485
1 Ground Ground
5 RTS TxD+
4 TXD TxD-
– Ground Ground
2 RXD RxD-
3 CTS RxD+
– Ground Ground
Interfaces and Connectors
J13 VL-CBR-5009
Pin Connector Pin
COM4
26 J5 1
27 5
28 4
29 –
30 2
31 3
32 –
33 4
Mouse
34 J4 1
35 Top 3
36 5
37 PBRESET 1
38 S1 2
39 (Reserved) –
40 –
41 –
42 –
43 Keyboard 4
44 J4 1
45 Bottom 3
46 5
47 PLED 1
48 D1 2
49 Speaker 1
50 SP1 2
Signal
RS-232 RS-232/422/485
Ground Ground
RTS TxD+
TXD TxD-
Ground Ground
RXD RxD-
CTS RxD+
Ground Ground
+5.0V (Protected)
Mouse Data
Ground
Mouse Clock
Pushbutton Reset
Ground
Ground
Not connected
Ground
Not connected
+5.0V (Protected)
Keyboard Data
Ground
Keyboard Clock
+5.0V (Protected)
Programmable LED
+5.0V (Protected)
Speaker Drive
36