ZyXEL Communications U-336S Connector Pinouts, Phone Jack Pinouts, PC Serial Port Pinouts

12 Connector Pinouts

Phone Jack Pinouts

The ZyXEL U-336S/SA modem features two RJ-11 phone jacks, one for 2-wire dial-up and 2-wire leased line connection (LINE) and one for an optional connection to a telephone set (PHONE). The signals on these pins are:

1

2

3

4

A

RING

TIP

A1

PC Serial Port Pinouts

Signal	ITU-TSS	EIA	Pin/Signal	Direction
Pin	Signal	Signal	Description	DTE-DCE
	Name	Name
1	101	AA	Protective Ground
			(GND).
2	103	BA	Transmitted Data	→
			(TXD).
3	104	BB	Received Data	←
			(RXD).
4	105	CA	Request To Send	→
			(RTS).
5	106	CB	Clear To Send	←

142 Connector Pinouts