Interface To Pcb Modem Supply Cs_M - GE marquette MAC 1100 Servicing Instructions

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Marquette Hellige GmbH
In Circuit Programming Port
With the In Circuit Programming Port, both CPLDs can be programmed or updated in
a Daisy Chain queue.
Connector denotation:
Type:
The function of the individual pins is given in the following table . The definition as an
input/output is seen with reference to PCB Control CS_CI.
ISP/
Pin
Signal
Number
1
ISP SCLK
2
GND
3
ISP MODE
4
Code
5
ISP EN
6
ISP SDI
7
ISP SDO
8
+5V
9
NC
10
NC
.

2.5.2.8 Interface to PCB Modem Supply CS_M

The interface to PCB Modem Supply CS_M is realized by the connectors MO_SU/
and RS232_E/.
MO_SU/ delivers the voltage +26,5 for the modem supply generation, RS232_E/
receives the generated modem voltage +8V for the PCB Control CS_CI.
Connector denotation:
Type:
The function of the individual pins is given in the following table . The definition as an
input/output is seen with reference to PCB Control CS_CI.
MAC 1100/1200 V 1.1
227 492 20 D - 0002
ISP/
male connector, 2x 5-pin, 180 °, pin 4: coding pin
input/output
Function
Input
Serial ISP Clock
Logic Ground
Input
ISP Mode Select
Coding pin
Input
Enable In Circuit program. "0": ISP enable
Input
Serial Data In
Output
Serial Data Out
Logic supply
MO_SU/
multipoint connector 1 X 3 pin., 180°,
reverse terminal protection, MODU II
Page 24
Definition
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Marquette mac 1200

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