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Appendix 85
P0873832 Issue 05 CTA 500
dm
On Line Guide
DB-9 connection
Acronyms used in this document
ATMÑAsynchronous transfer mode
CHAPÑChallenge Handshake Authentication Protocol
CSAÑCanadian Standards Association
CTA 500dmÑComputer Telephony Adapter digital modem
modulator/demodulator)
CTIÑComputer Telephony Integration
DNÑDirectory Number
DTEÑData Terminal Equipment
FCCÑFederal Communications Commission
ICSÑ Integrated Communication System
IECÑInterExchange Carrier
IPÑInternet Protocol
ISDNÑIntegrated Services Digital Network
ISPÑInternet Service Provider
ITCÑIndependent telephone company
kbit/sÑKilobits per second
LANÑLocal Area Network
DB-9
pin
RS-232
function
CTA 500
dm
function
1 Received Line Signal Detector DCD
2 Received Data RD
3 Transmitted Data TD
4 DTE Ready DTR
5 Signal Common GND
6 DCE Ready DSR
7 Request to Send/Ready for Receiving RTS
8 Clear to Send CTS
9 Ring Indicator RI