
Pinouts Smart 16e Shelf User Manual
52 © 2004 ADTRAN, Inc. 64202023L5-1B
EIA-232 (DB-9) Connector Pinout
Table A-3 shows the pinout for the EIA-232 (DB-9) connector.
Table A-3. EIA-232 (DB-9) Connector Pinout
DC Power Supply
Table A-4 shows the pinout for the DC power supply connection.
Table A-4. DC Power Supply Connector Pinout
Pin EIA Description
1 CF Received Line Signal Detector (DCD)
2 BB Receive Data (RD)
3 BA Transmit Data (TD)
4 CD Data Terminal Ready (DTR)
5 AB Signal Ground (SG)
6 CC Data Set Ready (DSR)
7 CA Request to Send (RTS)
8 CB Clear to Send (CTS)
9 — Unused
Pin Single DC Input Dual DC Input
1 Frame Gnd Frame Gnd
2 -48V Return -48V Return #2
3 -48V -48V #2
4 N/A -48V Return #1
5 N/A -48V #1
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