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Chapter 2. Installation
WIRING
CONFIGURING EXTERNAL DCE
8
The DBU option module has a V.35 Winchester-style
connection as defined in Table 2-A.
PIN
CCITT
A
101
B
102
C
105
106
D
107
E
F
109
H
-
J
-
R
104
T
104
1 1 5
V
1 1 5
X
P
103
S
103
Y
1 1 4
AA
1 1 4
The external DCE is configured as follows:
Originate DCE
1. DTR - Dial number if on
2. CTS - Follows RTS
3. CD - Normal
Answer DCE
1. DTR - Answer if on
2. CTS - Follows RTS
3. CD - Normal
The number to be dialed when DTR is On must be
entered in the originating DCE.
Consult the manual for your external DCE device in
setting the above configuration.
DBU Interface Option Module User Manual
V.35 Winchester Pin Connection
DESCRIPTION
Protective ground (PG)
Signal ground (SG)
Request to send (RTS) to DCE
Clear to send (CTS) from DCE
Data set ready (DSR) to DTE from DCE
Received line signal detector (DCD) from DCE
Data terminal ready (DTR) to DCE
Ring indicator (RI) from DCE
Received data (RD-A) from DCE
Received data (RD-B) from DCE
RX clock (RC-A) from DCE
RX clock (RC-B) from DCE
Transmitted data (TD-A) to DCE
Transmitted data (TD-B) to DCE
TX clock (TC-A) from DCE
TX clock (TC-B) from DCE
Table 2-A
61200.089L2-1
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