Clear-Com HLI-FBS User Manual
Page 22
Four-wire interface
module (HLI-4W2)
This is a two channel device that enables interoperability with the
Eclipse digital matrix system and other four-wire audio sources
(telephone hybrids, AB-120/-100, PA (Public Address) / SA (Stage
Announce) systems.The module also enables HelixNet-to-HelixNet
connections using four-wire audio ports. Two four-wire connectors
(Ethercon type RJ45 socket) are provided with the following pin out:
Pin
Function
1
RS-422 data TX+
2
RS-422 data TX-
3
Audio send +
4
Audio receive +
5
Audio receive -
6
Audio send -
7
RS-422 data RX+
8
RS-422 data RX-
Table 14: four-wire interface module pin out
Ethernet interface
module (HLI-ET2)
Enables linking of Main Stations via ethernet. Contains Two 10/100
Mbps RJ45 EtherCON ports.
Pin
Name
Function
1
TX+
Transmit Data+
2
TX-
Transmit Data-
3
RX+
Receive Data+
4
n/c
Not connected
5
n/c
Not connected
6
RX-
Receive Data-
7
n/c
Not connected
8
n/c
Not connected
Table 15: Ethernet interface module pin out
Warning:
Both ports are configured to bridge traffic from
one port to the other in order to work in daisy-chain.
Spanning Tree Protocol is not enabled on those ports,
therefore do not connect them both to the same network..
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HelixNet Partyline User Guide