Clear-Com RCS-2700 - Manual (Page 33)

R C S - 2 7 0 0 S O U R C E A S S I G N M E N T P A N E L 2 - 1 3
lines if the terminations are located at the RCS-2700 rather than at the main
stations or power supplies.
Terminations for each source channel should be switched on only at the
RCS-2700 main unit and expansion unit 1. Termination switches on all other
RCS-2700 expansion units should be switched off.
If there are unused source channels on any unit, the terminations to those source
channels should be turned on.
When the RCS-2700 is used for general switching of devices other than
Clear-Com party lines, the termination switches on all of the units should be
turned off.
Table 2-3: Termination Switch Settings
WIRING SOURCE CHANNELS
BASIC SWITCHING THEORY
Figure 2-14 is a schematic diagram of an RCS-2700 switching block. Under
microprocessor control, the switching block can move a destination between
sources 1 through 8.
Figure 2-14: Basic RCS-2700 Switching Block
Connection points for sources 1 through 7 are internally wired together.
Connection points for source 8 are not internally wired together, but are wired
outward instead, to pins on the rear panel of the RCS-2700 unit. This is done so
that source 8 can serve as a bridge to an expansion RCS-2700 unit, if necessary.
DEVICE TERMINATION SWITCH
Main source station off
Power supply off
RCS-2700 main unit on
RCS-2700 expansion unit 1 on
All other RCS-2700 expansion units off
Any unused source channel on any unit on
Source 8
Source 1
Source 2
Source 3
Source 4
Source 5
Source 6
Source 7
To Destination 1
• Source-8 pins must be
wired together in a
single-unit system, or
wired to another
RCS-2700 unit in a
multi-unit system.