Chapter 2: Installation
2-15
Serial Ports
The COM1 (J4) and COM2 (J5) se-
rial ports are located on the I/O
backplane (see Figure 2-3). See
the table on the right for pin defini-
tions.
Serial Port Pin Definitions
(COM1, COM2)
Pin Number
Definition
1
DCD
2
DSR
3
Serial In
4
RTS
5
Serial Out
Pin Number
Definition
6
CTS
7
DTR
8
RI
9
G round
10
NC
Wake-On-Ring (JWOR)
The Wake-On-Ring header is des-
ignated WOR. This function allows
your computer to receive and "be
awakened" by an incoming call to
the modem when in suspend state.
See the table on the right for pin
d e f i n i t i o n s . Y o u m u s t h a v e a
Wake-On-Ring card and cable to
use this feature.
Wake-on-Ring
Pin Definitions
(WOR)
Pin
Number
1
2
Definition
Ground
W ake-up
W O R
COM2
COM1
