MH88620IN Просмотр технического описания (PDF) - Mitel Networks
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MH88620IN Datasheet PDF : 14 Pages
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Preliminary Information
MH88620IN
Pin Description (Continued)
Pin #
22
23
24
25
26
27
28
29
30
31
32
33
34
35.38
39
40
Name
Description
NC
Z1
Z2
TX
RX
GTX0
GTX1
GRX0
GRX1
NC
NC
NC
No Connection. Reserved
Line impedance Node 1. Normally connects to Z2. See Fig. 3.
Line impedance Node 2. Normally connects to Z1. See Fig 3.
Transmit (Output). 4-wire (AGND) referenced audio output.
Receive (Input). 4-wire (AGND) referenced audio input.
Transmit Gain Node 0. Connects to GTX1 for 0dB transmit gain.
Transmit Gain Node 1. Connects to a resistor to AGND for transmit gain adjustment.
Receive Gain Node 0. Connects to GRX1 for 0dB gain
Receive Gain Node 1. Connect to a resistor to AGND for receive gain adjustment
No Connection. Reserved
No Connection. Reserved.
No Connection. Reserved.
SHK
IC
VEE
VDD
Off-Hook Indication (Output). A logic low output indicates when the subscriber
equipment has gone Off-Hook.
Internal Connection.
Negative Supply Voltage. -5V dc.
Positive Supply voltage. +5V dc
2-161
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