Elster 6 Series Wiring Instructions

Communication Connections
5
Page 16 of 31
Wiring Instructions
UFM Series 6
5.1.2 Connector J4 (Ethernet RJ45 Connection)
Table 5 shows an overview of the connections on J4.
When connecting the communication through this connector, the TB2
connectors should be left disconnected.  See Chapter 5.1.1 - Connector
TB2 (p.15).
Pin Number
Signal name
Description
8
Unused / PoE Power -
RJ45 Power over Ethernet
(Power -) *
7
Unused / PoE Power -
RJ45 Power over Ethernet
(Power -) *
6
Receive - / PoE Receive
-
RJ45 Ethernet receive - **
5
Unused / PoE Power +
RJ45 Power over Ethernet
(Power +) *
4
Unused / PoE Power +
RJ45 Power over Ethernet
(Power +) *
3
Receive + / PoE Receive
+
RJ45 Ethernet receive + **
2
Transmit - / PoE Transmit
-
RJ45 Ethernet transmit - **
1
Transmit + / PoE
Transmit +
RJ45 Ethernet transmit + **
* Power over Ethernet (POE) complies with IEEE 802.3af. It requires an external
power supply, limited-energy (max. 48 Vdc max. 3 A), reinforced insulation is provided
between input and output by safety transformer and distances on PCB.
** Cable must be UTP, STP or FTP with category 5E or 6. Maximum cable length is
100 meter.
Table 5: Communication Connector, J4

Elster 6 Series Specifications

General

Brand	Elster
Model	6 Series
Category	Measuring Instruments
Language	English