JBL Professional VT4887ADP Stereo Amplifier User Manual


 
22
VERTEC User’s Guide
DPCN – Optional HiQnet Network Input Module
with CobraNet™ Digital Audio
See Figure 1b
In addition to all features included on the DPAN, the DPCN input module adds CobraNet and offers
the ability to direct up to 64 audio channels on one network, with digital audio and remote control and
monitoring via Ethernet combined on a single cable.
DPCN modules include the option to use an analog input as a backup audio source providing complete
reliability and fl exibility to cover any situation.
The HiQnet System Architect™ software user interface provides remote access to digital speaker preset fi les
in the JBL DrivePack®. As with the DPAN, user-addressable features include ten user defi ned presets, up
to 2 seconds of delay per channel, onboard noise and sine-wave generators, network device event logging,
and user alert messaging.
CONTROLS
1) ENABLE ALT PRESET button
Momentary, Enables or disables the selected function. Factory ALT Preset: On subwoofer applications
the subwoofer low-pass fi lter frequency is set to 80 Hz and for full range systems the high-pass is raised
to 80 Hz. (Knee shape and slopes are model dependent).
2) INTERNAL CONTROLS - Internal +4 dBu or +20 dBu sensitivity select switch. See NOTE on DPAN for details.
INDICATORS
2) ENABLE ALT PRESET
a) Orange LED, illuminates when the
function is enabled.
3) FAULT
a) Red LED illuminates during any fault condition.
4) THERMAL Protection
a) Orange LED illuminates during thermal
limiting: See DPAN for details.
5) READY
a) Green LED illuminates when the system is
ready for operation.
6) SIGNAL/CLIP
a) (Signal) Green LED indicates a detected input signal
above the threshold set at –70 dBu.
b) (Clip) Red LED indicates clipping
at any point is detected.
11a & 11b) CobraNet™
NETWORK 100MB ACTIVITY
a) The Activity LED on the RJ-45 connectors
display network information concerning the Ethernet
and CobraNet™ connections.
ai) Flashing Green indicates network activity.
aii) Flashing Orange on Activity and Link LEDs
simultaneously indicates a network FAULT.
12a & 12b) NETWORK 100MB LINK
a) The LINK LED on the RJ-45 connectors displays network information concerning the Ethernet and
CobraNet™ connections.
ai) Solid Orange indicates the device is linked to a CobraNet™ Network.
aii) Flashing Orange on the LINK indicator-only indicates this device is the CobraNet™ Conductor.
aiii) Flashing Orange on Activity and Link LEDs simultaneously indicates a network FAULT.
13) DATA
a) Yellow LED Flashes for received data packet addressed to this DPAN device.








Figure 1b