Nortel-networks Circuit Card 311 Manual do Utilizador Página 57

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Serial Data Interface (SDI) cards 57
Data communication equipment (DCE) emulation mode
enable/disable switch and LED
input/output (I/O) device address selectable by on-board switches.
The QPC513 ESDI card provides these features:
fully synchronous serial data interface ports, each supporting
RS-232-C or modified RS-422-A interface
LAPB subset of the HDLC synchronous protocol
Data rates of 1200, 2400, 4800, 9600, 19200, 48000, 56000, and
64000 baud
Data terminal equipment (DTE) emulation mode
Data communication equipment (DCE) emulation mode
enable/disable switch and LED
input/output (I/O) device address selectable by on-board switches.
Specifications
This section lists the specifications shared by all of the SDI cards. See
the appropriate section in this document for information specific to any
particular card.
Power consumption
The SDI cards obtain their power directly from the module backplane. Power
consumption for each of the cards is shown in Table 9 "Power consumption"
(page 57).
Table 9
Power consumption
Maximum power consumption
Voltage
NT8D41BA
QPC841
+5 VDC ±5% 1.0 Amp 1.5 Amp
+12 VDC ±5% 100 mA 100 mA
–12 VDC ±5% 100 mA 100 mA
Environmental
The SDI cards operate without degradation under the conditions listed in
Table 10 "Environmental specifications" (page 58).
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.
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