Vanguard Managed Solutions 6455 ユーザーズマニュアル
Installation and Replacement
3-11
Installing The Vanguard 6435/6455
DB25 V.24 Pinouts (with DIM in DTE position)
Pin
ITU Circuit
I/O
Signal Name
1
---
-----
Protective Ground
2
103
OUTPUT
Transmitted Data
3
104
INPUT
Received Data
4
105
OUTPUT
Request To Send
5
106
INPUT
Clear To Send
6
107
INPUT
Data Set Ready
7
102
-----
Signal Ground
8
109
INPUT
Data Carrier Detect
14
---
OUTPUT
Data Restraint Out
15
114
INPUT
Transmitted Clock
16
117
INPUT
Standby Indicator
17
115
INPUT
Received Clock
18
141
OUTPUT
V54 Loop 3
20
108/2
OUTPUT
Data Terminal Ready
21
140
OUTPUT
V54 Loop 2
22
125
INPUT
Ring Indicator
24
113
OUTPUT
External Tx Clock
25
142
INPUT
Test Indicator
DB25 V.35/V.36 Pinouts
Pin
Signal
DCE Position
DTE Position
1
GND
-------
-------
2
TXDA
IN
OUT
3
RXDA
OUT
IN
4
RTS
IN
OUT
5
CTS
OUT
IN
6
DSR
OUT
IN
7
SIGGND
-------
-------
8
DCD
OUT
IN
14
TXDB
IN
OUT
15
TXCA
OUT
IN
16
RXDB
OUT
IN
17
RXCA
OUT
IN