Specifications

Diagnostic Support
MicroVAX Diagnostic Monitor
Self-tests
Related Documentation
EK-IEUQ1-UG
2.3.4 18Q01 Controller
Revision 2.3 and later
No
IEUll-AIIEQll-A User's Guide
The IBQOl is a DMA controller that interfaces a Q-bus system to R8-485
industrial control and measurement devices.
Functional Information
Communication protocol
Supported functions
Ordering Information
IBQ01-SF
Cables
Performance
Transfer mode
Data transfer rate
Form factor
Power
requirements
Power consumption
Modified
SDLC
Single
multidrop interconnect
250 BITBUS compatible devices
IBQ01 field-installed kit
User-supplied RS-485 BITBUS standard
Programmed I/O transfers with interrupt DMA
data transfer
Up to 2.4 Mbitslsecond at BITBUS length of 30 m
375 Kbitslsecond
at BITBUS length of 300 m
62.5 Kbitslsecond
at BITBUS length of 13,200 m
Quad height
+5 Vdc, 5.0 A
+12 Vdc,
0.0 A
25.0W
2-50 MicroVAX 3400 VAXserver 3400 Technical Information