3.2.3. Earth Point
The earth stud on the rear panel is provided for protective earthing of the equipment.
This should be connected using heavy duty earthing wire with as few bends as
possible, typically 6 mm Green/Yellow with 5 mm eyelet tag.
3.2.4. P3 USB A Dual
The USB Type A connector is used as the host connection. The connector pin-outs are
detailed below in Table 3.
Pin Function
1 Vcc (+5v)
2 Data-
3 Data+
4 Ground
Table 3: USB Type A Connector Pin-outs.
3.2.5. P4 USB B
The Universal Serial Bus (USB) Type B connector is used as the peripheral connection.
The connector pin-outs are detailed below in Table 3.
Pin Function
1 Vcc (+5v)
2 Data-
3 Data+
4 Ground
Table 4: USB Type B Connector Pin-outs.
3.2.6. P5 Ethernet
The P5 Ethernet connector uses standard network cable wiring for an RJ45, which is
detailed below in Table 5.
Pin Description
1 Tx Data+, balanced I/P 1
2 Tx Data-, balanced I/P 2
3 Rx Data+, balanced O/P
4 NC
5 NC
6 Rx Data-, balanced O/P 2
7 NC
8 NC
Table 5: Ethernet RJ45 Connector Pin-outs.
Doc Number: TNM-I-E-0046 ISSUE 1.2 Page 31
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