Clear-Com HLI-FBS - Manual (Page 36)

Key to analog and digital cabling comparison diagram
Feature Description
A
Example 4-channel analog main station (MS-704 shown).
B
HMS-4X Main Station (digital main station).
P1
P2
P3
P4
PF
Partyline channel 1
Partyline channel 2
Partyline channel 3
Partyline channel 4
Program Feed
C
In a traditional analog partyline system, one cable is dedicated to each partyline
channel. This can make it more difficult to build redundancy or spare capacity
into the installation (owing to the number of connectors / cables dedicated to the
delivery of channels).
D
In the HelixNet system, one cable can carry multiple channels. Because one
cable can carry all channels, the second connector for each line can either be
used for redundancy (flybacks) or for future extensions / changes to the cabling
topology (layout).
E
Example analog partyline devices including RS-701 beltpacks. Analog
beltpacks must be re-cabled to use alternative channels, requiring the physical
re-location of cabling for new configurations.
To aid switching, Clear-Com sells additional switching equipment (the SB-704
and RCS-2700 devices). The RS-702 (6-pin XLR) beltpack requires the YC-36
splitter / combiner to combine 2 channels into a 6-pin configuration, and multi-
conductor cables.
The RS-703 (3-pin XLR) beltpack requires a TWC-701 device to combine 2
Clear-Com channels in a single twisted pair.
F
Example analog partyline devices including HBP-2X Beltpacks. Digital
beltpacks can support any two of the partyline channels (plus Program Feed),
wherever they are physically located on the system.
New configurations of beltpacks and channels can be deployed without the
physical relocation of assets.
Table 3-1: Key to analog and digital cabling comparison diagram
Note: The capabilities of different cable types may impact how far away beltpacks can be placed
from the main station, and the topologies you use. For more information about cabling, see
17 Cabling reference.
36 HelixNet Partyline User Guide