AT&T 3B2/300 Technical Reference Manual page 591

- - - - - - - - - - - - - - - - - A p p e n d i x : CONNECTOR AND CABLING INFORMATION
10-PIN DUAL UART CONNECTOR, JOI
PIN
DESCRIPTION
1 CONSOLE RECEIVE DAT A (BB 2) (RXDO[O])
2 CONSOLE TRANSMIT DATA (BA 3) (TXDO[O])
3 CONSOLE DATA TERMINAL READY (CD 20) (DTRO[O])
4 CONSOLE DAT A CARRIER DETECT (CF 8) (DCDO[O])
5 GROUND (GRD)
6
CONTTY TRANSMIT DATA (BA 3) (TXDl[O])
7 CONTTY RECEIVE DATA (BB 2) (RXDl[O])
8 CONTTY DATA TERMINAL READY (CD 20) (DTRl[O])
9 CONTTY DATA CARRIER DETECT (CF 8) (DCDl[O])
10 GROUND (GRD)
NOTE: The CONSOLE AND CONTTY are classed as
Data Terminal Equipment (DTE) connections.
FUNCTION
INPUT
OUTPUT
OUTPUT
INPUT
GROUND
OUTPUT
INPUT
OUTPUT
INPUT
GROUND
CONNECTOR AND CABLING INFORMATION B-9