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STRATA DK
GENERAL DESCRIPTION
DECEMBER 1990
TABLED
DATA INTERFACE SPECIFICATIONS
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ITEM
SPECIFICATIONS
Terminal Interface Specification
RS-232C (EIA)
V.24/V.28 (CCITT)
Data Transmission Speed
Flow Control
Automatic Dialing
Up to 19.2kbps, asynchronous
Half and full duplex, utilizing RTS/CTS/CD control leads
Based on AT commands:
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Data speed of AT command is 300,600,
1200,2400,4800, or 9600
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Data bit: 7 or 8 bits
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Stop bit: 1 or 2 bits
. Parity bit: even, odd, or no parity
Maximum Distance: KSU to DKTAMJ
or DIU stand-alone
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With local power; 1000 feet with 1 -pair (24 AWG)
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With battery back-up: 330 feet with 1 -pair or 1000 feet
with 2-pair (24 AWG)
Number of Wire Pairs
1 -pair or 2-pair (24 AWG)
POWER: Lights when power is on
LED Indicators (stand-alone DIU only)
READY: Lights when DTE and DIU are ready
CONNECT: Lights when DIU is in transmission or ringing mode
Automatic Disconnect Timeout
Forced hang up when DIU does not detect space
signal on SD or RD within nine minutes
LSI Technology
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One-chip CPU with a clock frequency of 12.288MHz
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Memory: ROM, 16KB; RAM, 512kb
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Ping-pong transmission: LSI with bearer transmission rate of
512kbps, 2B+D-type link
STRATA DK
Option Compatibility
Digital telephones with integrated DIU:
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No HHEU (headset/loud ringing bell)
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No wall mount
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No DVSU (off-hook call announce)
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Compatible with associated digital DSS console
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DIU to DTE/DCE device: 8-wires,
Cabling/Connectors
50 feet maximum, 24 AWG: compatible with RJ-45, 8-wire
modular cable and RJ-45 to DB25 RS-232 modular adaptors
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Stand-alone DIU: RJll modular connector
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Integrated DIU: connected inside digital telephone
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Stand-alone DIU jumper plugs enable straight wire connection
to a DTE or DCE device without null-modem cables or adapton
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