Nortel Networks 311 사용자 설명서
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.
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
consumption for each of the cards is shown in
.
Table 9
Power consumption
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
.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.