Installation
1040-0011 Revision 43
Connector J18 (Laser) Signal Descriptions
Odd-numbered Pins (1 – 49)
Even-numbered Pins (2 – 50)
LASER_STAT6_ISO_RETURN
Current return for LASER_STAT6
LASER_STAT45COM_ISO
Optical isolator common for signals
LASER_STAT4_ISO_ADC0 and
LASER_STAT5_ISO_ADC1
SPI_MISO
Reserved for future use
SPI_MOSI
Reserved for future use
SPI_SS_LASER0_N
Reserved for future use
SPI_CLK
Reserved for future use
SPI_SS_LASER1_N
Reserved for future use
CHASSIS
Expected to be tied to earth ground
AUX_SCL
Reserved for future use
AUX_SDA
Reserved for future use
EXT_VCC5V0
5 Volt source for use in laser signal
conditioning circuitry
GND
Digital ground reference
+24V
Connected to customer-supplied 24
volts on Connector J3
NOTE: Current limiting is not
provided.
LASER_MOD3
Programmable laser modulation;
used for first pulse suppression or as
a programmable modulation source
for synchronous operation.
LASER_TX
Provided for configuration and
status access to RS-232-equipped
lasers
LASER_RX
Provided for configuration and
status access to RS-232-equipped
lasers
LASER_ANALOG1
Normally mapped to the laser
power setting; can be optionally
made independent.
LASER_ANALOG2
Independent setting for laser power
EXT_VCC5V0
5 Volt source for use in laser signal
conditioning circuitry
LASER_MOD2
Programmable laser, 180 degrees
phase shifted from LASER_MOD2