Instruction manual
Appendix – General Specifications
Station Specifications
Strata DK General Description 6/00 129
Table 51 Data Interface Specifications
Item Specifications
Terminal or personal
computer interface
specification
RS-232C (EIA)
V.24/V.28 (CCITT)
TAPI compatible (RPCI-DI only)
Data transmission speed Up to 19.2 kbps, asynchronous
Flow control Half and full duplex, utilizing RTS/CTS/CD control leads
Automatic dialing Based on AT commands:
♦ Data speed of AT command is 300, 600, 2300, 2400, 4800, or 9600
♦ Data bit: 7 or 8 bits
♦ Stop bit: 1 or 2 bits
♦ Parity bit: even, odd, or no parity
Maximum distance: KSU to
DKT with integrated RPCI-
DI or stand-alone DIU
♦ With system power supply; 1000 feet with 2-pair (24 AWG)
♦ With battery back-up; 330 feet with 1-pair or 675 feet with 2-pair (24 AWG), or
1000 feet with external power to telephone
Number of wire pairs 1-pair or 2-pair (24 AWG)
LED indicators (stand-alone
DIU only)
Power: lights when power is on
Ready: lights when DTE and DIU are ready
Connect: lights when DIU is in transmission or ringing mode
Automatic disconnect time-
out
Forced hang up when RPCI-DI or PDIU does not detect data on SD or RD within
nine minutes.
LSI technology (RPCI-D1/
PDIU-DS only)
♦ One-chip CPU with a clock frequency of 12.288 MHz
♦ Memory: ROM, 16KB; RAM, 512KB
♦ Ping-pong transmission: LSI with bearer transmission rate of 512kbps,
2B+D-type link
Strata DK option
compatibility
Digital telephones with integrated RPCI-DI:
♦ No DVSU (Speaker Off-hook Call Announce only)
♦ No Add-on Module
♦ Compatible with associated DDSS console
♦ Compatible with headset (HHEU)
♦ Desktop or wall mount compatible
Cabling/connectors
♦ RPCI-DI, PDIU-DS to DTE/DCE device: 9-wires, 50 feet maximum, 24AWG:
compatible with RJ45, 8-wire modular cable and RJ45 to DB25 RS-232
modular adaptors
♦ Stand-alone DIU: RJ11 modular connector
♦ Integrated RPCI-DI: connected inside digital telephone
♦ Stand-alone DIU jumper plugs enable straight wire connection to a DTE or
DCE device without null-modem cables or adaptors










