Nevion ARC-SD-XMUX4 - Manual (Page 25)

ARC-SD-XMUX4 Rev. B
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6.2 GPI alarms
The UDC-HD-XMUX4 has one GPI output. This reflects the status of the card, see the table
below.
6.2.1 Functions of 8pin modular jack
GPI name Function Pin # Mode Direction
Status General error status for
the module. Will also
activate at firmware
upgrades. Pin 1 Inverted Open
Collector
(open is alarm)
Output
GPI 1 GPI default scaling
select. Least significant
bit. Pin 2 TTL, 0V =
active level
Input
GPI 2 GPI default scaling select Pin 3 TTL, 0V =
active level
Input
DATA-link
output RS422+ Pin 4 RS422 Output
DATA-link
output RS422- Pin 5 RS422 Output
GPI 4 GPI default scaling
select. Most significant
bit. Pin 6 TTL, 0V =
active level
Input
GPI 3 GPI default scaling
select. Pin 7 TTL, 0V =
active level
Input
Ground 0 volt pin Pin 8 0V.
6.3 RS422 commands
6.3.1 FLP4.0 required commands
Block Blk
#
Commands Example Response Control
- - ? ? product name\
SW rev n.m\
FW rev r.s\
protocol ver 4.0\ Hello command.
Note 1: No other commands will be
available until the card has received
this hello.
Note 2: This command will also
enable checksums.
Note 3: Cards are designed to be
hot-swappable. To sync with the start
of a new command, the cards will
wait for a character before
looking for a valid command.
conf 0 - conf 0 *too long to list* Configuration settings
Retrieves the card's configurable
settings. Each addressable block is
represented by a single line. Dynamic
status may be included in response,
but is usually reported in info only.
- - info info *too long to list* Dynamic status info
Blocks with static settings only will
usually not be included, see conf
above.