XtendLan XL-GDB series User’s Guide
APPENDIX A:
Interface Pin Assignments
DTE Interface Pin Assignment Table
EIA DESCRIPTION
ABBR.
SIGNAL
TO
V.35
EIA-530 RS-449
X.21
Shield
A
1
1
Case
Signal Gnd
SG
B
7
19
8
DTE Common RTN
37
DCE Common RTN
20
Transmit Data (A)
TD(A)
DCE
P
2
4
2
Transmit Data (B)
TD(B)
DCE
S
14
22
9
Receive Data (A)
RD(A)
DTE
R
3
6
4
Receive Data (B)
RD(B)
DTE
T
16
24
11
Request To Send (A)
RTS(A) DCE
C
4
7
3
Request To Send (B)
RTS(B) DCE
19
25
10
Clear To Send (A)
CTS(A) DTE
D
5
9
Clear To Send (B)
CTS(B) DTE
13
27
Data Set Ready (A)
DSR(A)
DTE
E
6
11
Data Set Ready (B)
DSR(B)
DTE
22
29
Data Terminal Ready (A) DTR(A) DCE
H
20
12
Data Terminal Ready (B) DTR(B) DCE
23
30
Data Carrier Detect (A)
DCD(A)
DTE
F
8
13
5
Data Carrier Detect (B)
DCD(B)
DTE
10
31
12
Terminal Transmit Clock
(A)
TTC(A)
DCE
U
24
17
7
Terminal Transmit Clock
(B)
TTC(B)
DCE
W
11
35
14
Transmit Clock (A)
TC(A)
DTE
Y
15
5
Transmit Clock (B)
TC(B)
DTE
AA
12
23
Receive Clock (A)
RC(A)
DTE
V
17
8
6
Receive Clock (B)
RC(B)
DTE
X
9
26
13
Remote Loopback
RLB
DCE
N
21
14
Local Loopback
LLB
DCE
L
18
10
Test Mode
TM
DTE
NN
25
18
90
Summary of Contents for XL-GDB101E
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