Functionality - Avaya Communication Server 1000M Single Group Manual
Mini-carrier remote fundamentals
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Figure 7: RMI Multi-I/O Cable Assembly (NT5D87)
Functionality
The Mini-Carrier Remote system can be user-configured to use only certain timeslots, allowing
"drop-and-insert" channel banks to use the timeslots not used by MCR. This allows customers
to use LAN bridges via the remaining timeslots to connect between local and remote LANs.
MCR always uses the first two channels of T1 (channels 1 and 2).
ESF and D4 framing modes are supported, CRC-6 errors are counted in ESF mode, and
bipolar violations are counted in D4 mode to determine system health. B8ZS must always be
used for MCR. Signaling must be clear-channel end-to-end. Robbed-bit signaling is not
supported.
One Mini-Carrier Remote system supports eight IPE cards physically located up to 4000 miles
apart (depending on actual T1 routing) over as many as 2 standard T1 (1.544 Mbps) facilities.
Mini-Carrier Remote Fundamentals
Functionality
March 2013
27
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