SDIports Page237 of 544
Option11C and 11C Mini TechnicalReference Guide
Characteristics of the low speed port

Ports 0 and 2 are asynchronous, low speed ports. They transfer data to and

from the line one bit at a time.

Table 8 0
NTAK02 connections at the cross-connect terminal — Port 1
RS422 RS232
Cable Signal
Designations
I=input
O=output
Designations
I=input
O=output
Signal
Pair Color DTE DCE DTE DCE DTE DCE DTE DCE
5T
5R
W-S
S-W
SCTEA
-
SCTA
-
O
-
I
-
O
-
I
-
SCT
-
SCT
-
6T
6R
R-BL
BL-R
SCTEB
DTR
SCTB
DCD
O
O
I
I
-
-
-
-
CH/CI
DTR
-
DCD
7T
7R
R-O
O-R
DSR
DCD
CH/CI
DTR
I
I
O
O
I
I
O
O
DSR
DCD
CH/CI
DTR
8T
8R
R-G
G-R
RTS
CTS
CTS
RTS
O
I
I
O
O
I
I
O
RTS
CTS
CTS
RTS
9T
9R
R-BR
BR-R
SCRA
SCTA
SCTEA
RXCA
I
I
O
O
I
I
O
O
SCR
SCT
SCT
-
10T
10R
R-S
S-R
SCRB
SCTB
SCTEB
RXCB
I
I
O
O
-
-
-
-
-
-
-
-
11T
11R
BK-BL
BL-BK
RXDA
TXDA
TXDA
RXDA
I
O
O
I
I
O
O
I
RXD
TXD
TXD
RXD
12T
12R
BK-O
O-BK
RXDB
TXDB
TXDB
RXDB
I
O
O
I
-
-
-
-
-
-
-
-
25T
25R
V-S
S-V
SG
-
SG
-
-
-
-
-
-
-
-
-
SG
-
SG
-