I. PANELS

The faceplate of the EFT4 veneer has veneer indicators, interfaces, and barcodes.

1. Panel Diagram

The exterior view of the EFT4 single board panel is shown in Figure 1.

Figure 1 EFT4 panel appearance diagram

The indicators on the single board panel are:

1) Single-board hardware status lamp (STAT)-red and green dual-color indicator lamps

2) Service activation status light (ACT) - green indicator light

(3) Single-board software status light (PROG) - red and green dual-color indicator light

4) Service warning lamp (SRV) - red, green, yellow color indicator

(5) Connection status indicator (LINK) - green light

6) Data transmitting and receiving indicator (ACT) - orange light

For the specific meaning of the single board indicator, please refer to

3. Interface

There are 4 FE interfaces on the EFT4 single board panel, and the types and purposes of each interface are shown in Table 1.

Table 1 EFT4 single board interface description
Panel Interface	Interface Type	Purpose
FE1	RJ-45	Receives and sends 10Base-T/100Base-TX signals.
FE2	RJ-45	Receives and sends 10Base-T/100Base-TX signals.
FE3	RJ-45	Receives and sends 10Base-T/100Base-TX signals.
FE4	RJ-45	Receives and sends 10Base-T/100Base-TX signals.

The pin descriptions for the RJ-45 interface are shown in Table 2.

Table 2 RJ-45 Interface Pin Descriptions for EFT4 Single Boards
Pin	Description
1	Transmit Positive
2	Transmit Negative
3	Receive Positive
4	Ground
5	Ground
6	Receive Negative
7	Ground
8	Ground

II. Technical specifications

EFT4 veneer metrics include mechanical metrics and power consumption.

1. Mechanical indicators

EFT4 board mechanical indicators are as follows: veneer size: 111.8mm (H) × 220mm (D) × 25.4mm (W); weight: 0.5kg

2.Power consumption

EFT4 veneer at room temperature (25 ℃) under the condition of veneer maximum power consumption is 14W.

The technical information in this chapter and the related SDH equipment troubleshooting procedures are provided by Shenzhen Optical Transmission Network Technology Co. Huawei SDH optical transmission equipment, SDH transmission equipment sales phone: 13430988088 Welcome to call!