- Topic ID: id_16158095
- Version: 2.0
- Date: Jun 10, 2020 2:41:58 AM
DASM Settings and LEDs
1 GE Specific Jumper Settings
Figure 1. DASM Jumpers

2 GE Specific SCSI Settings
Figure 2. DASM Bottom, Showing SCSI Settings

3 DASM/LCAM Host Control Serial Link (Digital DASM Only)
RS232 serial host control interface, 25-pin D-type connector
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pin 2 (TX)
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pin 3 (RX)
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pin 7 (GND)
A null modem cable may be required (reverses pins 2-3) between some cameras.
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baud rate = 1200
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start bits = 1
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stop bits =1
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parity = even
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end of message = CR
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protocol = ACK/NACK (3M M952)
4 DASM LEDs
DASM green LEDs viewed from front of DASM and air vents at bottom. The “RDY” and “XFR” LEDs only exist on the analog VDB DASM.

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PWR - on whenever DASM power applied (+5VDC)
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CPU - flashes idle heartbeat at 1 CPS or indicates CPU activity
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SCSI - flashes when OC and DASM communicate over the SCSIbus
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PIF - flashes when the DASM and camera communicate over the serial port
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RDY - analog VDB only, indicates an image is ready to be “grabbed” by the camera video/analog input port
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XFR - analog VDB only, indicates an image is being “grabbed” by the camera video/analog input port
5 DASM/LCAM Image Data Interface
RS422/RS485 8-bit digital image data interface, 37-pin D-type connector (3M M952 defacto industry standard digital interface).
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pixels: 512
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lines: 512
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bits/pixel: 8
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protocol: 3M M952
The gray scale reference bar option at the left of the filmed images is NOT supported by the digital filming interface.