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CP 523
3.2.3 Pin Assignments of Backplane Connector X1
d
b
M
UBATT
PESP
ADB 0
ADB 1
ADB 2
ADB 3
ADB 4
ADB 5
ADB 6
ADB 7
BAU
ADB 8
ADB 9
ADB 10
ADB 11
BASP
M
3.3
Cable Length
The cable lengths given below are contingent to error-free data transmission.
TTY interface
•
CP 523 active TTY
•
Peripheral device active TTY : Refer to the User's Guide for the relevant device for the
Note:
Voltage drops on the cable and the module's sending and receiving elements must be noted
when using longer cables ( 2.2).
RS-232-C (V.24) interface
Cable length is not critical up to 15 m/49 ft. In general, longer cables can be used in conjuction
with lower baud rates.
EWA 4NEB 811 6044-02a
z
+5 V
2
4
RESET
6
MEMR
8
MEMW
10
RDY
12
DB 0
14
DB 1
16
DB 2
18
DB 3
20
DB 4
22
DB 5
24
DB 6
26
DB 7
28
30
32
Figure 3-5. Pin Assignments of Backplane Connector X1
: maximum cable length 10 m/33 ft.
permissible cable length (maximum 1000 m/3280 ft).
Hardware Installation
3-7
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