Connector Pinouts; Phone Jack Pinouts; Pc Serial Port Pinouts - ZyXEL Communications U-336E User Manual

11

Connector Pinouts

Phone Jack Pinouts

The ZyXEL U-336E 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

PC Serial Port Pinouts

Signal
Pin
1
2
3
4
5
120 Connector Pinouts
A
RING
TIP
A1
ITU-TSS EIA
Signal Signal
Name Name
101 AA
103 BA
104 BB
105 CA
106 CB
Pin/Signal
Description
Protective Ground
(GND).
Transmitted Data
(TXD).
Received Data
(RXD).
Request To Send
(RTS).
Clear To Send
(CTS).
Direction
DTE-DCE