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参数资料
| 型号： | MH89625C-6 |
| 厂商： | Mitel Networks Corporation |
| 英文描述： | OPS/DID PCM SLIC Preliminary Information |
| 中文描述： | 老年退休金计划/没有的PCM用户接口的初步信息 |
| 文件页数： | 3/16页 |
| 文件大小： | 150K |
| 代理商： | MH89625C-6 |
2-271
Preliminary Information
MH89625C
17
CA
Control Address (Input):
A three-level digital input which enables PCM input and
output, and determines into which control register (A or B) the serial data, presented to
CSTi, is stored.
18
RGND
Relay Ground:
Return path for relay supply voltage.
19
RD2
Relay Driver 2:
Connects to a user provided external relay coil. A logic high at the SD1
output of the internal MT8967 codec activates this driver. An internal clamp diode from
VRLY to RD2 is provided. This relay is typically used for DID reversals.
20
RD1
Relay Driver 1.
Connects to a user provided external relay coil. A logic high at the SD0
output of the internal MT8967 codec activates this driver. An internal clamp diode from
VRLY to RD1 is provided. This relay is typically used for ringing.
21
RD3
Relay Driver 3.
Connects to a user provided external relay coil. A logic high at the SD2
output of the internal MT8967 codec activates this driver. An internal clamp diode from
VRLY to RD3 is provided. This relay is typically used for in-test.
22
RD4
Relay Driver 4:
Connects to a user provided external relay coil. A logic high at the SD3
output of the internal MT8967 codec activates this driver. An internal clamp diode from
VRLY to RD4 is provided. This relay is typically used for out-test.
23
V
RLY
Relay Positive Supply Voltage:
Normally +5V. Connects to the relay coil and the relay
supply voltage.
24
V
Ref
IC
Voltage Reference (Input):
+2.50V for the internal codec.
25
Internal Connection
: This pin is internally connected.
26
IC
Internal Connection
: This pin is internally connected
27
IC
Internal Connection
: This pin is internally connected
28
IC
Internal Connection
: This pin is internally connected
29
IC
Internal Connection
: This pin is internally connected
30
AGND
Analog Ground
. Analog and Digital Ground. Connects to System Ground.
31
V
DD
LCA
Positive Supply Voltage
(+5V)
32
Loop Current Adjust (Input).
The maximum constant loop current is a function of the
resistance connected from this pin to V
EE
. Normally left open
Internal Connection.
This pin is internally connected.
33
IC
34
VAC
Battery AC Component (Input).
AC noise present in the V
BAT
supply, isolated from the
DC component, can be applied to this pin to reduce longitudinal noise on TIP and RING.
To implement this feature, connect a 0.1
μ
F 100V capacitor from V
BAT
to VAC, and a 1k
resistor from VAC to AGND. This pin must be tied to AGND when not used.
35
GS
Gain Setting (Input
). A logic low at this input adds an additional -0.5dB gain in the
receive direction (DSTi to Tip-Ring). This gain is in addition to the gain set by the Codec.
A logic high adds 0dB gain.
36
LGND
Loop Ground.
Return path for the battery (V
BAT
) supply voltage. Connects to System
Ground.
37
V
Bat
IC
Battery Supply Voltage.
Normally -48V.
38
Internal Connection
: This pin is internally connected
39
IC
Internal Connection
: This pin is internally connected
40
IC
Internal Connection
: This pin is internally connected
Pin Description (Continued)
Pin #
Name
Description
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相关代理商/技术参数 |
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|---|---|
| MH89626C | 制造商:MITEL 制造商全称:Mitel Networks Corporation 功能描述:OPS/DID SLIC Preliminary Information |
| MH89626C-02 | 制造商:MITEL 制造商全称:Mitel Networks Corporation 功能描述:OPS/DID SLIC Preliminary Information |
| MH89626C-04 | 制造商:MITEL 制造商全称:Mitel Networks Corporation 功能描述:OPS/DID SLIC Preliminary Information |
| MH89726 | 制造商:MITEL 制造商全称:Mitel Networks Corporation 功能描述:MT8972 Loop Extender Circuits Advance Information |
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