2-30
IEN HARDWARE REFERENCE
940043-002
10Base-2 LAN
Table 2-10 lists the DB25 pin assignments for a 10Base-2 LAN physical interface.
Table 2-10 DB25 (10Base-2 LAN)
Note:
The LEC01 and LAU01 Ethernet adapters use this pinout to provide 10Base-2 and AUI
interfaces respectively.
PIN
10Base-2 LAN Pin Assignment
Key
1
Frame Ground
FG
2
Pin not used
N/A
3
Pin not used
N/A
4
Pin not used
N/A
5
Pin not used
N/A
6
Pin not used
N/A
7
Signal Ground
SG
8
Pin not used
N/A
9
Receive Positive
RX+
10
Positive Five volts
+5V
11
Transmit Positive
TX+
12
Pin not used
N/A
13
Carrier Detect Positive
CD+
14
Positive Twelve volts
+12V
15
Pin not used
N/A
16
Pin not used
N/A
17
Pin not used
N/A
18
Pin not used
N/A
19
Pin not used
N/A
20
Pin not used
N/A
21
Receive Negative
RX-
22
Pin not used
N/A
23
Transmit Negative
TX-
24
Pin not used
N/A
25
Carrier Detect Negative
CD-
Summary of Contents for IEN 1000
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