Nortel Networks 1000 - Manual (Page 755)

NTAK02 SDI/DCH card 755
Table 313
NTAK02 connections at the cross-connect terminal - Port 2 (cont’d.)
RS422 RS232
Cabl
e
Signal
Designations
I=Input
O=Output
Designations I=I
nput O=Output
Signal
Pair Color DTE DCE DTE DCE DTE DCE DTE DCE
16T
16R
Y-BL
BL-Y —
— —
— I
O
O
I
RX
TX
TXD
RXD
17T
17R
Y-O
O-Y O
—
I
—
O
—
I
—
—
SG
—
SG
Table 314
NTAK02 connections at the cross-connect terminal - Port 3
RS422 RS232
Cabl
e
Signal
Designatio
ns I=Input
O=Output
Designations
I=Input O=Output
Signal
Pair Color DTE DCE DTE DCE DTE DCE DTE DCE
17T
17R
Y-O
O-Y SCTEA
—
SCTA
—
O
—
I
—
O
—
I
—
SCT
—
SCT
—
18T
18R
Y-G
G-Y SCTEB
DTR
SCTB
DCD
O
O I
I —
— —
— CH/CI
DTR
—
DCD
19T
19R
Y-BR
BR-Y DSR
DCD
CH/CI
DTR
I
I O
O I
I O
O DSR
DCD CH/CI
DTR
20T
20R
Y-S
S-Y RTS
CTS CTS
RTS O
I
I
O
O
I
I
O
RTS
CTS CTS
RTS
21T
21R
V-BL
BL-V SCRA
SCTA
SCTEA
RXCA
I
I O
O I
I O
O SCR
SCT
SCT
—
22T
22R
V-O
O-V SCRB
SCTB
SCTEB
RXCB
I
I O
O —
— —
— —
— —
—
23T
23R
V-G
G-V RXDA
TXDA
TXDA
RXDA
I
O
O
I
I
O
O
I
RXD
TXD
TXD
RXD
24T
24R
V-BR
BR-V RXDB
TXDB
TXDB
RXDB
I
O
O
I
—
— —
— —
— —
—
25T
25R
V-S
S-V —
SG
—
SG
—
— —
— —
— —
— SG
—
SG
—
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.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.