Netcomm NCT240 Manuel D’Utilisation
NetComm NCT240 Installation Guide Release 1.0
Figure 5-1. Connecting to the Punch-down Blocks
DB-9 Port Pin Assignments
EIA Circuit CCITT Signal
Description Switch’s
DB-9
DTE Pin #
PC DB-9 DTE Pin
#
BB 104
RxD
(Received Data)
2 2
BA 103
TxD
(Transmitted Data)
3 3
AB 102
SGND
(Signal Ground)
5 5
Console Port to 9-Pin DTE Port on PC
Switch’s 9-pin Serial Port
CCITT Signal
PC’s 9-pin DTE Port
2 RxD <----------RXD
------------ 3
TxD
3 TxD -------------TXD
-----------> 2
RxD
5 SGND ------------SGND
----------- 5
SGND
31