Technical information

2.3.4 DESQA Ethernet Controller
The DESQA Ethernet controller provides a high-speed asynchronous
connection
between a Q22-bus system and a Local Area Network (LAN)
based on Ethernet or IEEE 802.3. The DESQA supports either standard
or Thin Wire Ethernet cabling.
Functional Information
Supported protocols
Ordering Information
DESQA-SF
External cable (standard)
External cable (Thin Wire)
Performance
'I.ransmitlReceive data transfers
'I.ransmit data transfers
Receive data transfers
Throughput at maximum rate
Configuration Information
Form factor
Power requirements
Power consumption
Bus loads
Module connectors
(standard)
Module connectors (Thinwire)
Related Documentation
EK-DESQA-TM
Ethernet, IEEE 802.3
Maintenance Operation Protocol (MOP)
DESQA
field-installed kit
BNE3B or BNE3D
BC16M
Up to 32-byte block mode DMA
2-Kbyte
FIFO for DMA transfers
4-Kbyte FIFO for DMA transfers
10 Mbitslsecond
Quad height
+5 Vdc, 2.4 A
+12 Vdc, 0.22
A
14.64 W
2.2 ac
0.5 dc
One 15-pin D-type
T-connector
to BNC connector on DESQA
DESQA
Technical Manual
Option Specifications 2-33