Clear-Com HLI-FBS - Manual (Page 100)

9.3.5 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.
For the procedure, see
5.6.1 Configuring a Four-wire interface module.
2. On the Tempest BaseStation, configure an intercom channel for four-wire connection:
d. Select the intercom channel (A or B), using the CHAN selection button
[ ] on the front panel.
e. Select four-wire connection for the intercom channel, using the two-wire / four-wire
selection button [ ] on the front panel.
1. Connect the HMS-4X Main Station and the Tempest BaseStation, using four-wire crossover
CAT5 cabling.
Important note:
For pinout information for the two systems, see the quick reference diagram in
9.3.4. 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).
3. 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 5.2 Configuring the Audio settings.
98 HelixNet Partyline User Guide