ZyXEL U-336R User Guide - Page 156
Connector Pinouts
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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 A 2 RING 3 TIP 4 A1 PC Serial Port Pinouts Signal Pin 1 2 3 4 5 ITU-TSS Signal Name 101 EIA Signal Name 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 Direction DTE-DCE 142 Connector Pinouts
142
Connector 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
A
2
RING
3
TIP
4
A1
PC Serial Port Pinouts
Signal
Pin
ITU-TSS
Signal
Name
EIA
Signal
Name
Pin/Signal
Description
Direction
DTE-DCE
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
←