Music Interface
Input Level
3 Volts peak-to-peak maximum
Input Impedance
Approximately 500 Ohms
Connector
RCA phono jack
Station Message Detail Recording Port
Format
Serial, pseudo RS-232C
Parity
None
Data Bits
7 or 8 (programmable)
Stop Bits
1 or 2 (programmable)
Baud Rate
Programmable in class of service
Handshaking
X on -X off
Hardware -CTS
Cable Length
500 feet maximum
PA Port
Output Level
400 Millivolts peak-to-peak (typical speech)
Output Impedance
Approximately 500 Ohms
Connector
RCA phono jack
Central Office Limits
Loop Limits
1900 Ohms maximum loop
Cable Insulation Leakage
15,000 Ohms minimum
Industry/Regulatory Standards
FCC Part 15, Class A RF emissions certified
FCC Part 68 Telco registered (fully protected)
IC CS03 Telco certified
UL 1459 safety approved by OSHA approved NAVLAP
CSA C22.2 No. 225 safety approved by OSHA approved NAVLAP
EIA RS478
Bell publication 48002 guidance
Hearing aid compatible handset
Regulatory Codes
CVWUSA-61535-KF-E
CVWUSA-61536-MF-E
02LS2
9.0Y
RJ14C or RJ21X
0.4B
1.2B
DSU II Digital Telephone System
IMI66–132
Introducing The DSU II Digital Telephone System 1–23
Содержание DSU II
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