Clear-Com HLI-FBS - Manual (Page 130)

13.3.5 Four-wire connection with Tempest
To connect your HelixNet Partyline system with Tempest, using a four-wire connection:
1) On the HMS-4X Main Station, configure the Module Settings for the Four-wire
interface module, see 4.6.1 Configuring a Four-wire interface module.
2) On the Tempest Basestation, configure an intercom channel for four-wire connection:
a) Select the intercom channel (A or B), using the CHAN selection button on
the front panel.
b) Select four-wire connection for the intercom channel, using the two-wire /
four-wire selection button on the front panel.
3) Connect the HMS-4X Main Station and the Tempest Basestation, using four-wire
crossover CAT5 cabling.
Note: For pinout information for the two systems, see the quick reference
diagram in 13.3.4. Quick reference: Four-wire connection to Tempest.
RJ45 connectors are located:
• On the HMS-4X Main Station four-wire interface module.
• On the back panel (rear) of the Tempest Basestation (the top RJ45
connector is for intercom channel A and the bottom RJ45 connector for
intercom channel B).
4) Adjust the In / Out levels controls on the Tempest Basestation, where necessary.
For more information, see your Tempest reference manual.
Tip:
To optimize audio quality, you may also want to adjust the Audio Settings on the HMS-4X
Main Station. For more information, see 4.2 Configuring the Audio settings.
130 HelixNet Partyline User Guide