HelixNet: How do I make a physical connection to a DX-210 4-wire port from HelixNet basestation?
Question: I have a HME DX-210 system and I'm considering upgrading our old party-line system to HelixNet, what extra hardware do I need to in order to connect the DX-210 base to HelixNet via 4-wire?
Answer: The HelixNet base station will require a 4-Wire module (HLI-4W2) , this will provide two analog 4-wire ports which can be routed to the 4-wire ports on the DX-210 base station PL A and PL B channels.
This connection will require a custom CAT-5 cable (audio crossover cable) where the audio pairs (blue and blue/white and green and green/white are reversed on one end of the CAT-5 cable when using a standard T568B CAT-5 patch cable. For detailed wiring on the cable see the diagram below. This will allow for a full duplex connection the between HelixNet base station and the DX-210 base station.
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Helixnet 4wire-RJ45 pin 3 (Audio out +) | DX210 4wire RJ45 pin 4 (Audio in +) |
Helixnet 4wire-RJ45 pin 6 (Audio out -) | DX210 4wire RJ45 pin 5 (Audio in -) |
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Helixnet 4wire-RJ45 pin 4 (Audio in +) | DX210 4wire RJ45 pin 3 (Audio out +) |
Helixnet 4wire-RJ45 pin 5 (Audio in -) | DX210 4wire RJ45 pin 6 (Audio out -) |
(i) Use the same Audio crossover cable when connecting a Helixnet basestation to a any Clear-Com wireless basestation (CellCom / Tempest)
(ii) Use a Straight CAT5 cable when connecting a DX210 basestation to any Clear-Com intercom matrix (Omega / Median / Delta / Pico)