User's Manual
T6T VHF 100 W Transmitter Page 17 Installation
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T1/E1 Connector
The T1/E1 connector is an 8-way RJ48 socket used for connecting to a Mode 3 network computer or
connecting a transmitter and receiver together when operating as a Mode 2 base station. The connector
pin-out is detailed in Table 8.
Table 8 T1/E1 Connector
Pin Signal Characteristic
1 RRing T1 - Balanced 100 ohm (±10%), 1.544 Mbits per second (±50 ppm), AMI/B8ZS Coding.
E1 - Balanced 120 ohm (±10%), 2.048 Mbits per second (±50 ppm), AMI/HDB3 Coding.
Protected with 28 V differential and common mode clamp and 1.25 A fuse in each line.
2RTip
3 Not connected -
4 TRing T1 - Balanced 100 ohm (±10%), 1.544 Mbits per second (±50 ppm), AMI/B8ZS Coding.
E1 - Balanced 120 ohm (±10%), 2.048 Mbits per second (±50 ppm), AMI/HDB3 Coding.
Protected with 28 V differential and common mode clamp and 1.25 A fuse in each line.
5TTip
6 Not connected -
7 Not connected -
8 Not connected -
Pin 1
RJ48 Plug
Numbering is shown looking from the top of the connector.
The top is being viewed when the lever is on the bottom.