3One data 7304, User Manual, Page: 7 / 11

MODEL7304 User Manual
Page 7 of 11
�
� �
�
RACK/DC RACK/DC RACK/DC RACK/DC DC DC DC DC redundancy redundancy redundancy redundancy power power power power supply supply supply supply panel panel panel panel
：
RACK/DC RACK/DC RACK/DC RACK/DC DC DC DC DC Redundancy Redundancy Redundancy Redundancy Power Power Power Power Supply Supply Supply Supply Panel Panel Panel Panel
40~60 VDC
：
DC-48V input connector (FG grounded, with“- +” terminals connected with
48V input)
ON OFF
：
power switch
+5V
：
5V main power supply indicator lamp
+12V
：
12V fan power supply indicator lamp
5
5
5 5.... MODEL7304
MODEL7304
MODEL7304 MODEL7304 Application
Application
Application Application
5.1
5.1 5.1
5.1 Definition
Definition Definition
Definition of
of of
of signal
signal signal
signal lines
lines lines
lines at
at at
at V.35
V.35 V.35
V.35 interface
interface interface
interface
5.1.1
5.1.1 5.1.1
5.1.1 Distribution
Distribution Distribution
Distribution diagram
diagram diagram
diagram of
of of
of guiding
guiding guiding
guiding feet
feet feet
feet on
on on
on M34
M34 M34
M34 cored
cored cored
cored jack
jack jack
jack
Distribution Distribution Distribution Distribution diagram diagram diagram diagram of of of of guiding guiding guiding guiding feet feet feet feet on on on on M34 M34 M34 M34 cored cored cored cored jack jack jack jack
5.1.2
5.1.2
5.1.2 5.1.2 Definition
Definition
Definition Definition of
of
of of signal
signal
signal signal lines
lines
lines lines at
at
at at V.35
V.35
V.35 V.35 interface
interface
interface interface
As shown:(Operating mode
：
DCE)
Definition
Definition Definition
Definition of
of of
of Signal
Signal Signal
Signal Lines
Lines Lines
Lines at
at at
at V.35
V.35 V.35
V.35 Interface
Interface Interface
Interface
V.35 Feet Signal Function Direction
A CGND Frame ground ——
B GND signal ground ——
C RTS request to send input
D CTS consent to send output
E DSR data set ready output
F DCD data carrier detection output
H DTR data terminal ready input
P TXD A
transmitting data
line A
input
S TXD B
transmitting data
line B
input
R RXD A receiving data line A output