Nortel Meridian 1 option 11C Planning And Installation Manual page 23

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The Option 11C Main cabinet can be connected to;
• up to two expansion cabinets using single port Fiber Expansion
Daughterboards.
• up to four expansion cabinets using dual port Fiber Expansion
Daughterboards.
The Fiber Expansion Daughterboards are mounted on the on the NTDK20
SSC card (see Figure 5 on page 25). Each port on the Fiber Expansion
Daughterboard also provides an additional 16 channels of conferencing
capabilities.
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The NTDK20 SSC card contains three SDI ports used to connect on-site
terminals or remote terminals through a modem. The default settings on the
ports are as follows:
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The NTDK20 SSC card is equipped with a 10 Mbps Ethernet port. External
connection to the Ethernet port is provided by a 50 pin connector located in
the main cabinet. An NTDK27 Ethernet Adaptor Cable adapts this 50 pin
connector to the standard 15 pin AUI interface for a MAU.
Note: The Ethernet interface uses the same connector as the copper
expansion connector (NTAK04). Therefore, it can be used only on
systems with a Main cabinet or Main cabinet and fiber expansion
cabinets.
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