User Manual
Installation and Startup Guide
Rio Rancho, NM
7
SPNCWB
ASPEN PORT
ETHERNET
RS-232
CODEC
1
POWER AMP 
OUTPUTS
LINE 
OUTPUTS
CODEC
2
LINE 
INPUTS
CODEC
1
CODEC
2
1
2
TELEPHONE
LINE
REMOTE 
CONTROL
RC 2
RC 1
SET
GND
+5V
PROG IN
PROG 
OUT
S/N LABEL
DATECODE
 100-240V
50/60Hz 35W
Made In the USA
Rear Panel
Programmable Input and Output Ports
Programmable inputs and outputs used to control 
levels, settings, indicate the current state of a program-
mable input and control a variety of other parameters.
ASPEN Bus Data/Audio Ports
These RJ-45 jacks carry the audio signals and control 
data between units stacked together. 
Remote Control 
These RJ-45 jacks provide interfaces for RCWTH4 
remote control units. Each jack is assignable to CODEC 
1 or 2, or to the telephone line.
Audio Inputs and Outputs
Analog audio input and output connectors for the Codec 
ports.
Telephone Set/Line
RJ11 jacks for connecting a standard telephone line 
and a single-line telephone set.
Power Inlet RS232 
Serial Port
Programmable Input 
and Output Ports
Data/Audio 
Bus Ports
Line Inputs 
(Codecs)
Telephone 
Set/Line 
Line Outputs 
(Codecs)
Remote 
Control
Cooling Fan 
Outlet
Speaker 
Terminals
Ethernet 
Port










