Specifications
025-9416
11
TELEPHONE INTERFACES
Number of Interfaces
2 (expandable to 4)
Line Types
Each telco trunk field-configurable for any one of:
•
End-to-End (typical “home” type line)
•
DID (Dedicated Inbound Dialing); immediate start or wink
start protocol
•
PABX E&M Tie Trunk Type I (2-Wire Hybrid audio)
Input Signaling
DTMF or Pulse Feed Digits
Optional MF type 2A decoder
Optional Dial Click decoder
Line Coupling
600
Ω
transformer, adjustable balance duplex hybrid
Connector
Male 50-pin connector similar to RJ2GX
TRANSMITTER INTERFACE
Transmit Audio
Balanced 600
Ω
transformer
250-3500 Hz
±
1dB
Selectable flat tone or –6 dB per octave de-emphasis
Selectable flat voice or +6 dB per octave pre-emphasis
Receive Audio
Balanced 600
Ω
transformer
Adjustable level -20 to +10 dBm
Selectable flat tone or –6 dB per octave de-emphasis
Format Encoding
Analog frequency accuracy
±
.02%
Analog tone distortion < 0.2%
Digital data stability
±
2 ppm
Control Relays
Analog PTT
Digital PTT
Auxiliary PTT
Digital Data
RS-232C compatible
Null modem cable
Field-programmable polarity and timing
CAS / COR Input
Selectable polarity, TTL or contact closure
Transmitter Request
RS-232C
Transmitter Busy
Selectable Polarity, TTL or contact closure
Station ID
Field-programmable, 1200 Hz CW Morse Code at 20 WPM
Содержание 640 DAPT XTRA
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Страница 197: ...Parts Lists and Schematics 025 9416 185 COMPONENT LOCATIONS Dual Dial Click 702 9119C Dual MF 702 9197D 1...
Страница 198: ...Parts Lists and Schematics 186 025 9416 RAM Disk 702 9386B ROM Disk 702 9389B...
Страница 199: ...Parts Lists and Schematics 025 9416 187 TNPP Interface 702 9362C 2...
Страница 200: ...Parts Lists and Schematics 188 025 9416 Terminal Block Adapter 702 9470B...
Страница 201: ...Parts Lists and Schematics 025 9416 189 CONFIGURATION DIAGRAMS Dual Trunk Telco DID 024 0076A...
Страница 202: ...Parts Lists and Schematics 190 025 9416 Dual Trunk Telco End to End 024 0077A...
Страница 203: ...Parts Lists and Schematics 025 9416 191 Dual Trunk Telco E M 024 0078A...
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