Specifications

CHAPTER 2 – UNIVERSAL SOCKET PINOUT
Universal Socket Developer Guide
12
Chapter 2 – Universal Socket Pinout
Pinout Diagrams
Universal SocketModem Pinout
Note:
Some modems do not include all the pins shown above. Refer to your model’s Device Guide for model
specific pinout information.
Pin
Signal Name
In/Out
Description
1
Tip
I/O
Tip Signal from Telco. Tip connection to the phone line (RJ-11 Pin 4). The
SocketModem is Tip/Ring polarity insensitive.
2
Ring
I/O
Ring Signal from Telco. Ring connection to the phone line (RJ-11 Pin 3). The
SocketModem is Tip/Ring polarity insensitive.
3
Safety Void
N/A
Safety Clearance. 2.5 mm is required between TNV circuits and SELV circuits.
4
TX+
O
Transmit Outputs (TX+ and TX-). Differential transmit outputs for Ethernet.
5
TX-
O
Transmit Outputs (TX+ and TX-). Differential transmit outputs for Ethernet.
6
RX-
I
Receive Inputs. Differential receive input pins for Ethernet. Dummy pin for
MT810SWM-IP.
7
RX+
I
Receive Inputs. Differential receive input pins for Ethernet.
8
Safety Void
N/A
Safety Clearance. 2.5 31mm is required between TNV circuits and SELV circuits.
9
Dummy
Dummy pin for EDGE.