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1 Descriptions MIX 56 User Manual
1-2 Telect, Inc. 122188-10 A0
Features
• DSX and M13 in one chassis
• Two fully independent systems per chassis, each with 28 DSX jacks
and up to two M13 cards, in a 5.25 inch (3 RU) rack space
• Mounts in 19 inch (48.3 cm) or 23 inch (58.4 cm) WECO-spaced or
EIA-spaced racks
• Multiplexes 28 DS1 or 21 E1 signals into one DS3 signal and demulti-
plexes a DS3 signal into 28 DS1 or 21 E1 signals
• 1:1 redundancy with second M13 card
• Processor switching occurs in less than 50 ms
• LED status indicators and tracer lamps on front panel
• DSX jacks, tracer lamps, and alarm boards are field replaceable and
M13 cards are hot-swappable, all from the front of the chassis
• Form-C critical, major, and minor external alarm contacts
• Remote provisioning and monitoring through SNMP or two concurrent
Telnet sessions
• Separate alarm and event logs are rotating logs of up to 99 entries each
• Selectable alarm thresholds
• DS1 and DS3 loopback capabilities
•BER Testing
• DS3 signal format selectable between C-bit or M13 mode
• C-Bit Remote Control to the MIX 56 at the other end of the DS3 link
• DS1 line coding individually selectable between AMI or B8ZS for T1
and AMI or HDB3 for E1
• Adjustable DS1 transmit line build out (LBO) for each channel
• Automatic DS3 LBO
• DS3 transmit clock source either recovered from DS3 receive signal or
by internal oscillator
• Universal voltages: 20Vdc to 60Vdc
• Three levels of user login security
Part Numbers
Part No. Configuration
747-0000-2448 56 DSX Jacks, No M13 Cards
747-1103-2801 56 DSX Jacks, Two M13 Cards
747-1103-5601 56 DSX Jacks, Four M13 Cards