38
System components
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minimum installation configuration
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optional access over the Internet for maintenance and troubleshooting
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command line interface
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embedded Telnet Server
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embedded FTP Server for firmware upgrades over the Internet
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database backup and restore through FTP or e-mail
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Status LEDs
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embedded Clock Reference functionality
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Gain Control and Voice pad
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Web-based Error logs
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continuity tests
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Nortel CardLAN interface
The E1/T1 card serves up to four spans (or up to eight spans with
E1/T1 expansion daughterboard equipped) and is a motherboard to
the NTBK51AA/NTBK51CA Downloadable D-channel handler and the
NTAK93AB D-channel handler.
The E1/T1 card requires one slot on the 19-inch 2u MGP shelf. The other
slot on the shelf is reserved for the Media Gateway Controller.
E1/T1 card expansion daughterboard
The E1/T1 base card houses one E1/T1 expansion daughterboard to
support up to eight spans. This expansion mates with connector pins on
the E1/T1 card motherboard.
LED indicators
The E1/T1 card is equipped with the following 33 LED indicators on the
faceplate controlled by the card software as shown in
indicators on the E1/T1 card" (page 38)
Figure 7
LED indicators on the E1/T1 card
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one LED for power
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one LED for fans
Nortel Communication Server 1000
Media Gateway 1000E PRI Gateway Installation and Commissioning
NN43041-311 04.01
4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
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Содержание 1000E PRI
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