Technical information

2.3.8 DSV11 Synchronous Controller
The DSVII is a two-channel, high-speed, synchronous controller that
interfaces Q22-bus backplanes.
Functionallnformation
Supported line interfaces
Supported protocols
Operating mode
Character size
Modem
support
Supported modems
Ordering Information
DSVll-SF
DSVll-SG
Performance Information
RS-423
RF-422
RS-232N.24, V.35
DDCMP
HDLC/SDLC
BISYNC
Full or half-duplex
Full modem control
Field-installed
kit (first DSVll)
Field-installed kit (additional DSVlls)
TransmitlReceive data transfers DMA
Transmit buffer size
Receive buffer size
Data rate, Mhits/second (maximum)
Configuration Information
Form factor
Power requirements
Power consumption
Bus loads
RS-232-CN.24 = up to 20K
RS-423 = lOOK
RS-422 = 256K
V.35 = 48K
Quad height
+5 Vdc, 5.43 A (typical)
+12
Vdc, 0.69 A (typical)
35.43
W
3.9 ac
1.0 dc
2-40 VAX 4000 Model 300 Technical Information
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