Figure 3-2, Table 3-2, As def – ADC RS-232/V24 User Manual
Page 42
ADCP-50-304 • Issue 19 • June 1999 • Section 3: PatchSwitch V.35
Page 3-3
© 1999, ADC Telecommunications, Inc.
Figure 3-2. V.35 Interface Module and Conversion Board
Table 3-2. Normal Pin Assignments
V.35 PIN
NAME
ORIGIN
SIGNAL
DESCRIPTION
DB-25
CONNECTOR PIN
A
FG
Frame Ground
1
B
SG
Signal Ground
7
C
RTS
DTE
Request to Send
4
D
CTS
DCE
Clear to Send
5
E
DSR
DCE
Data Set Ready
6
F
DCD
DCE
Data CXR Detect
8
H
DTR
DTE
Data Term Ready
20
J
RI
DCE
Ring Indicator
22
P
TD (+)
DTE
Trans Data (+)
2
S
TD (–)
DTE
Trans Data (–)
14
R
RD (+)
DCE
Rec Data (+)
3
T
RD (–)
DCE
Rec Data (–)
19
U
TCE (+)
EXT
Trans Clck Ext (+)
24
W
TCE (–)
EXT
Trans Clck Ext (–)
23
STATUS, DELAY, AND
ALARM CIRCUITS
FRONT LOADING BOARD
PATCH
MODULE
A
C
REAR BOARD
FEMALE A
FEMALE C
V.35
BACKPLANE
1624-A