4RF Aprisa XE User Manual - page 222
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User Manual
Manual is about: 4RF Aprisa XE fixed point-to-point digital radio link
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272
Interface connections | 221
EIA/TIA-449 Serial Cable Assembly for DTE (Part number: Cab Sync 449MT)
Pin number
Pin function
Direction
1 Shield
Ground
-
4
22
SD+
SD-
Input
Input
5
23
ST+
ST-
Output
Output
6
24
RD+
RD-
Output
Output
7
25
RS+
RS-
Input
Input
8
26
RT+
RT-
Output
Output
9
27
CS+
CS-
Output
Output
10
37
LL
SC
Input
_
11
29
DM+
DM-
Output
Output
12
30
TR+
TR-
Input
Input
13
31
RR+
RR-
Output
Output
17
35
TT+
TT-
Input
Input
19
20
SG
RC
-
-