10
HIGH-SPEED SME V.35
Any signal or pin designation that does not appear in the following chart is
not supported by the SME.
Table A-1. Pinout for connectors J1 and J2
M34
DB25
SIGNAL
DESCRIPTION
SIGNAL
DIRECTION
PIN
PIN
TYPE
A
1
FG
Frame Ground
Ground
——
P
2
SD (A)
Send Data (A)
Data
To DCE
R
3
RD (A)
Receive Data (A)
Data
From DCE
C
4
RTS
Request to Send
Control
To DCE
D
5
CTS
Clear to Send
Control
From DCE
E
6
DSR
Data Set Ready
Control
From DCE
B
7, 23
SG
Signal Ground
Ground
——
F
8
RLSD
Received Line Signal Detector
Control
From DCE
X
9
SCR (B)
Serial Clock Receive (B)
Timing
From DCE
W
11
SCTE (B)
Serial Clock Transmit External (B)
Timing
To DCE
AA
12
SCT (B)
Serial Clock Transmit (B)
Timing
From DCE
S
14
SD (B)
Send Data (B)
Data
To DCE
Y
15
SCT (A)
Serial Clock Transmit (A)
Timing
From DCE
T
16
RD (B)
Receive Data (B)
Data
From DCE
V
17
SCR (A)
Serial Clock Receive (A)
Timing
From DCE
U
24
SCTE (A)
Serial Clock Transmit External (A)
Timing
To DCE
Appendix: Connector Pinouts
A
C
F
D
E
P
R
S
T
U
V
1
9
6
7
5
4
3
2
8
W
X
Y
AA
11
14
15
16
17
23 24
12
B
V.35 Interface (Male
34-pin M-block Connector)
RS-530 Interface
(Male DB25 Connector)
