If lit, the Expansion Network
Link LED
indicates that the Expansion Network device is com-
municating properly with HAL. If an Expansion Network device is properly connected to the
port yet the status LED remains dark, there is likely a problem with the connection.
5.
Digital Remote Device ports
Use these ports to connect each DR to the HAL via a standard CAT 5 cable. You must use a
standard Ethernet patch cable for this connection. There are 8 DR ports on a HAL1 device. If
you need more than 8 DR connections, you can use a RAD port to connect a DR.
6.
Remote Audio Device ports
Use these ports to connect each RAD to the HAL via a standard CAT 5 cable. You must use a
standard Ethernet patch cable for this connection. There are 4 RAD ports on a HAL1 device. If
you need more RAD connections, you will need to connect an Expansion Unit with RAD
ports (such as an EXP1) to your HAL device. You cannot connect a RAD to a DR port.
7.
Digital Remote Device LEDs
Provides information about the health of the CAT 5 connection between each DR and HAL.
The numbers 1 through 8 correspond to the DR ports 1 through 8 in the lower area of the rear
panel. The
Comm LED
(on the top row) lights solidly if the DR's data communications pair is
working properly. The
Power LED
(on the bottom row) lights solidly if HAL is supplying
adequate power to the DR port.
8.
Remote Audio Device LEDs
Provides status information about the health of the CAT 5 connection between each RAD and
HAL. The numbers 1 through 4 correspond to the RAD ports 1 through 4 in the lower right
corner of the rear panel. For example, the LEDs for number 1 provide information about the
RAD connected on port 1. Each LED corresponds with one twisted pair within the CAT 5
cable. If the twisted pair is functioning properly, the LED displays a solid green light.
l
Audio Rx LED
—lights solidly if the HAL receive pair is working properly.
l
Audio Tx LED
—lights solidly if the HAL transmit pair is working properly.
l
Comm LED
—lights solidly if the RAD's data communications pair is working prop-
erly.
l
Power LED
—lights solidly if HAL is supplying adequate power to the RAD port.
NOTE
:
The Remote Audio Device LEDs on the front panel differ from those on the rear
panel. The front panel LEDs provide information about signal activity on each audio
channel. See the "Front Panel Description" on next page for more details.
9.
Relay Out ports
Reed relay ports used to signal another device. A common implementation is to link a relay
port to a Toggle control so that an end user can change its value. Also, the Halogen software
contains a checkbox for each relay port, the value of which you can include in a preset or link
to another control, making it possible to use a preset or control to turn the relay port on or off.
HAL1 contains two Relay Out ports.
HAL SYSTEM INSTALLATION GUIDE
12
