ZyXEL Omni TA 128 User Guide - Page 168

Phone Jack Pinout, Assignments

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18 Phone Jack Pinout Assignments The TA128 features one RJ-45 phone jack and two RJ-11 phone jacks. The RJ-45 labeled "ISDN S" jack is for ISDN line connection (S/T interface), and the RJ-11 jack labeled "PHONE" (also known as an analog adapter in European countries) is for an optional connection to analog telephone equipment such as a telephone set, answering machine, fax machine or analog modem. RJ-45 Connector for the S/T Interface Model 1. Not Connected 2. Not Connected 3. RCV + 4. XMT + 5. XMT 6. RCV7. -48V 8. -48V RTN RJ-45 Connector for the U Interface Model 1. Not Connected 2. Not Connected 3. Not Connected 4. Ring 5. Tip 6. Not Connected 7. -48V 8. -48V RTN RJ-11 Analog Adapter (Phone 1&2) 1. Not Connected 2. Ring 3. Tip 156

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18
Phone Jack Pinout
Assignments
The TA128 features one RJ-45 phone jack and two RJ-11 phone
jacks. The RJ-45 labeled “ISDN S” jack is for ISDN line
connection (S/T interface), and the RJ-11 jack labeled “PHONE”
(also known as an analog adapter in European countries) is for an
optional connection to analog telephone equipment such as a
telephone set, answering machine, fax machine or analog modem.
RJ-45 Connector for the S/T Interface Model
1.
Not Connected
2.
Not Connected
3.
RCV +
4.
XMT +
5.
XMT -
6.
RCV-
7.
-48V
8.
-48V RTN
RJ-45 Connector for the U Interface Model
1.
Not Connected
2.
Not Connected
3.
Not Connected
4.
Ring
5.
Tip
6.
Not Connected
7.
-48V
8.
-48V RTN
RJ-11 Analog Adapter (Phone 1&2)
1.
Not Connected
2.
Ring
3.
Tip