HP 30242 Installation And Service Manual page 15

Table 1-1. Specifications (Continued)
LANIC at AUI Connector:
AUI signalling conforms to IEEE 802.3
CO not driven
VP +12V +/-6%
@
0.5A; overcurrent protected
@
1.2A maximum
Interframe spacing
=
9.6 usec minimum
MAU at AUI Connector:
AUI signalling conforms to IEEE 802.3
CO terminated but unused
Jabber is reset by VP shutdown only
Operating voltage: 9.5V to 15.75V at 460mA maximum
MAU at Coaxial Cable:
Coax signalling compatible with IEEE 802.3 recommended
signalling levels
Receiver based collision detection
Will tap any 0.4 inch coaxial cable meeting IEEE 802.3
physical specifications
MAU Coaxial Cable to AUI Cable Isolation:
+/-707V DC, 500VAC RMS, 50/60Hz
Will conduct repetitive surges of up to 4A without damage
(between the shields)
DC Impedance, Coaxial Shield to AUI Shield: 928K ohms
General Information
Feb 85
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