XtendLan INV-4E1 User Manual Download Page 6

INV-4E1 Interface Converter 

5.2.3 Balun HighTech HK-5201 RJ-45 Pinout definition: 

5.2.3 Balun HighTech HK-5201 RJ-45 Pinout definition: 

If you want to use 75ohm/BNC connector, please use the balun. 

If you want to use 75ohm/BNC connector, please use the balun. 

RJ-45 Pinout 

RJ-45 Pinout 

Signal 

Signal 

Description 

Description 

RX- 

Receive Input, Negative 

RX+ 

Receive Input, Positive 

3 S1 Transmit 

Ground 

TX- 

Transmit Output, Negative 

TX+ 

Transmit Output, Positive 

6 S2 Receive 

Ground 

Note: 

¾

 

Power input (PWR): INV-4E1 interface converters support three kinds of voltage, 220VAC, -48VDC and +24VDC. 

Please pay attention to the DC input and it’s negative polarities.

 It is better to use a multimeter to check if the 

power polarity and voltage value are according with those marked on equipment. 

¾

 

Ensure to fix a reliable grounding wire at the grounding point on the equipment. 

5.3

 

10/100Base-T interface definition: 

 

 

Pin 

1 2 3 4 5 6 7 8 

Function 

TX+ TX- RX+ NC  NC RX- NC NC- 

Note:

 NC means “ no connection available”

 

6. Installation 

Before installing the equipment, check the following conditions. 

6.1

 Field requirements 

Clean and well ventilated. 

Dry environment (relative humidity: 20% - 95%, no condensing). 

6.2 Power supply 

There shall be power supply applicable to the equipment in the installation field. 

6.3 Cable Connection 

6.3.1 LAN connection 

The equipment provides auto MII/MIIX interface in conformity with IEEE 802.3 protocol standard to support 10/100M 

full/semi-duplex work modes. It can run in any Ethernet work mode, i.e. supporting any Ethernet interface. According to 

the actual situation, prepare a crossed or straight-line cable in cooperation with RJ45 and connect one end with the UTP 

interface on the back board of the equipment and the other end with PC or SWITCH. When the equipment is open, if the 

connection is correct, LINK light will be ON.   

6.3.2 E1 connection

 

Insert the accessory BNC coaxial cable connector into E1 PORT. Then connect the equipment with transmission 

equipment (such as PDH or SDH optical multiplexer) with the coaxial cable. 

z

 

Check whether the E1 circuit is shortly connected, broken or poor in connection. If it goes through SDH equipment, 

the configuration of E1 circuit by network management must be checked. 

z

 

The error code rate of E1 circuit measured by an error code instrument must be lower than 10-7. 

 

5

Reviews: