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Part Number: MH88634
Description: The Mitel MH88634 Central Office Trunk Interface circuit provides a complete audio and signalling link between audio sw...
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MH88634
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DataSheet
General Description
MH88634 General Description
The Mitel MH88634 Central Office Trunk Interface circuit provides a complete audio and signalling link between audio switching equipment and a central office. The functions provided by the MH88634 include 2-4 Wire conversion, 600 ohm input impedance and network balance. The device is fabricated as a thick film hybrid incorporating various technologies for optimum circuit design and very high reliability.
MH88634 Maximum Ratings
|
Parameter |
Sym |
Min |
Max |
Units | |
|
1
|
DC Supply Voltages)
|
VBAT |
0 |
-60 |
V |
|
VDD |
-0.3 |
7 |
V | ||
|
VEE |
0.3 |
-7 |
V | ||
|
2 |
DC Ring Relay Voltage |
VRLY |
-0.3 |
7 |
V |
|
3 |
Storage Temperature |
TS |
-55 |
+125 |
°C |
MH88634 Features
• Loop Start Trunk Interface
• 600 ohm input impedance, -2 variant
• Line state detection outputs: forward loop, reverse loop, ringing voltage, switch hook On-hook reception
• Transformerless 2W to 4W conversion
• One loop start relay driver
• +/- 5V operation
• Small footprint area (<4.75cm2)
• 600 ohm input impedance, -2 variant
• Line state detection outputs: forward loop, reverse loop, ringing voltage, switch hook On-hook reception
• Transformerless 2W to 4W conversion
• One loop start relay driver
• +/- 5V operation
• Small footprint area (<4.75cm2)
MH88634 Typical Application
Interface to Central Office for:
• PABX
• Key Telephone Systems
• Channel Bank
• Voice Mail
• Terminal Equipment
• Digital Loop Carrier
• Optical Multiplexer
• PABX
• Key Telephone Systems
• Channel Bank
• Voice Mail
• Terminal Equipment
• Digital Loop Carrier
• Optical Multiplexer
MH88634 Connection Diagram
MH88634
PDF/DataSheet Download
- Datasheet: MH88634
- File Size: 64460 KB
- Manufacturer: MITEL [Mitel Networks Corporation]
- Click here to Download
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MH88634 Relative Products
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MH88632
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MH88628
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