700-712-100-01, Revision 01
Reference Information
UTU-712 and ETU-762 List 1
May 10, 1999
63
ECA-801 C
ONNECTOR
A
DAPTER
(DB25M
TO
DB15F
FOR
X.21)
The ECA-801 connector adapter (
) converts the DB25F data port connector on the desktop unit rear
panel to a standard X.21 15-pin female connector.
lists the ECA-801 pinouts.
Figure 48.
ECA-801 D25M to DB15F (X.21) Connector Adapter, Part Number 150-1470-01
Table 35.
ECA-801 DB25M to DB15F (X.21) Connector Adapter Pinouts
DB25M Connector
DB15F (X.21) Connector
Signal
Pin
Pin
Signal
Send Data A
2
2
Send Data A
Send Data B
14
9
Send Data B
Receive Data A
3
4
Receive Data A
Receive Data B
16
11
Receive Data B
Request to Send A
4
3
Control A
Request to Send B
19
10
Control B
Signal Ground
7
8
Signal Ground
Receive Line Signal Detect A
8
5
Indication A
Receive Line Signal Detect B
10
12
Indication B
Receive Timing A
17
6
Signal Element Timing A
Receive Timing B
9
13
Signal Element Timing B
Terminal Timing A
24
1
DTE Signal Element Timing A
Terminal Timing B
11
15
DTE Signal Element Timing A
1
9
14
1
25
8
13
15
