CTP150 Platform Hardware Documentation
Table 8: X.21 Connector Interface Signals for HD-26 to Male DB-15 (continued)
HD-26 Pin
DB-15 Pin
10
12
11
5
12
—
13
—
14
9
15
14
16
—
17
13
18
11
19
—
20
—
21
—
22
—
23
—
24, 26
8
25
—
V.24 Connector Interface Signal Pinouts (RJ-45 Male)
Table 9: V.24 Connector Interface Signals for HD-26 to RJ-45
HD-26 Pin
RJ-45 Pin
1
5
2
1
3
3
28
Table 9 on page 28
lists the V.24 interface signal pinouts for the HD-26 connector to the
male RJ-45 connector for the CTP150 platform.
Description
Indication—B
Indication—A
—
—
Transmit—B
Byte timing—B
—
Signal timing—B
Receive–B
—
—
—
—
—
Ground
—
Description
TX
RCLK
TCLK
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