Nortel-networks 1000M Manual de usuario Pagina 53

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Main components of the Chassis system 53
modems or Data Communication Equipment (DCE) for remote access
to the system
on-site Data Terminating Equipment (DTE) or TTY terminal for accessing
the system
connecting blocks for the cross-connect terminal
transformers and centralized power supplies for items such as digit
displays on telephones
optional equipment such as music sources, RAN machines, paging
equipment, and CDR devices
NT1R20 Off-Premise Station Analog Line Card. Each card has eight
ports. Each of the units on the card can be configured to be operated as
an OPS or in an On-Premise (ONS) configuration
additional Modem Eliminator (NULL Modem without hardware
handshaking). The A0601397 converter may be required to interface
the DTE to the system.
industry-standard Ethernet Media Access Unit (MAU)
NTTK43 EMC grounding clip is required, for EMC compliance, on the
fan baffle on the lower right-hand side of chassis using 100BaseT
connections. Refer to Figure 20 "EMC grounding clip on the chassis"
(page 53).
Figure 20
EMC grounding clip on the chassis
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
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