3Com S330 manual Rts Cts

46CHAPTER 2: INSTALLATION

Table 14 Connector Pinouts for RS-449 DCE Cable (60-pin Connector) to DB-37 Female

	Pin # on 60-pin	Pin # on DB-37	Direction (for
Signal Name	Connector	Connector	Serial Port)
Frame GND	46	1
Circuit GND	15, 16, 30	19, 20, 37
RTS	1, 2	7, 25	In
CTS	9, 10	9, 27	Out
DSR	7, 8	11, 29	Out
DCD	5, 6	13, 31	Out
DTR	3, 4	12, 30	In
LL (not used)	29	10	In
SD+	28	4	In
SD-	27	22	In
RD+	11	6	Out
RD-	12	24	Out
SCTE+	26	17	In
SCTE-	25	35	In
SCR+	24	8	Out
SCR-	23	26	Out
SCT+	13	5	Out
SCT-	14	23	Out
Shorting GR 1	48, 49