STEP 1 -
Connect the local unit to a DTE device
CONNECT THE DTE DEVICE
Connect the local unit's DB9 female connector
to a PC or Data Terminal Equipment (DTE)
device.
TABLE 1-1. DB9 CONNECTOR PINOUT
DB9 SIGNAL NUMBER
DB9 SIGNAL NAME
LOCAL DCE
REMOTE DTE
1
Carrier Detect
Asserted high
No connection
2
Received Data
Output
Input
3
Transmitted Data
Input
Output
4
Data Terminal Ready
No connection
Asserted high
5
Signal Ground
RS-232 Ground
RS-232 Ground
6
Data Set Ready
Asserted high
No connection
7
Request To Send
Input
Output
8
Clear To Send
Output
Input
9
Ring Indication
No connection
No connection
LOCAL UNIT’S
DB9 FEMALE CONNECTOR
