Adtran TRC4305 Manual Do Utilizador
TRACER 4305 System Manual
Section 3, Engineering Guidelines
612804305L1A-1A
© 2002 ADTRAN, Inc.
29
Connector type (USOC)
DB-25
Table 5. RS-232 Connection Pinout
PIN
NAME
DESCRIPTION
1, 7
GND
GROUND
2
TX
TRANSMIT
3
RX
RECEIVE
4
RTS
REQUEST TO SEND
5
CTS
CLEAR TO SEND
6
DSR
DATA SET READY (MODEM CONTROL ONLY)
8
CD
CARRIER DETECT
9-19
—
UNUSED
20
DTR
DATA TERMINAL READY (MODEM CONTROL ONLY)
21
—
UNUSED
22
RI
RING INDICATOR
23-25
—
UNUSED
Table 6. TRACER 4305 (DCE) to Terminal (DTE) Diagram
PIN
NAME
PIN
NAME
2
TX
2
TX
3
RX
3
RX
4
RTS
4
RTS
5
CTS
5
CTS
6
DSR
6
DSR
7
GND
7
GND
Table 7. TRACER 4305 (DCE) to Personal Computer (DB-9)
PIN
NAME
PIN
NAME
2
TX
3
RX
3
RX
2
TX
4
RTS
7
RTS
5
CTS
8
CTS
6
DSR
6
DSR
7
GND
5
GND