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700-701-100-02 Reference Information
UTU-701 and ETU-751 List 1 August 9, 2002 65
ECA-800 CONNECTOR ADAPTER (DB25M TO M34F FOR V.35)
The ECA-800 connector adapter (Figure 45) converts the DB25F data port connector on the desktop unit rear
panel to a standard V.35 34-pin female connector. Table 36 lists the ECA-800 pinouts.
Figure 45. ECA-800 DB25M to M34F (V.35) Connector Adapter, Part Number 150-1470-01
Table 36. ECA-800 DB25M to M34F (V.35) Connector Adapter Pinouts
DB25M Connector M34F (V.35) Connector
Signal Pin Pin Signal
Shield 1 A Frame ground
Send Data A 2 P Send Data A
Send Data B 14 S Send Data B
Receive Data A 3 R Receive Data A
Receive Data B 16 T Receive Data B
Request to Send A 4 C Request to Send
Clear to Send A 5 D Clear to Send
Data Set Ready A 6 E Data Set Ready
Data Terminal Ready A 20 H Data Terminal Ready
Signal Ground 7 B Signal Ground
Received Line Signal Detect A 8 F Received Line Signal Detect
Send Timing A 15 Y Serial Clock Transmit A
Send Timing B 12 AA Serial Clock Transmit B
Receive Timing A 17 V Serial Clock Receive A
Receive Timing B 9 X Serial Clock Receive B
Terminal Timing A 24 U Serial Clock Transmit External A
Terminal Timing B 11 W Serial Clock Transmit External B
Local Loopback 18 L Local Loopback
Remote Loopback 21 N Remote Loopback
Test Mode 25 NN Test Mode
1
14
25
13
C
A
D
B
F
L
R
V
Z
J
N
T
X
BB
DD
JJ
NN
FF
LL
E
K
P
U
Y
H
M
S
W
AA
CC
HH
MM
EE
KK