4RF Aprisa XE User Manual - page 223
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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 | 222
EIA/TIA-449 Serial Cable Assembly for DCE (Part number: Cab Sync 449FC)
Pin number
Pin function
Direction
1 Shield
Ground
_
4
22
SD+
SD-
Output
Output
5
23
ST+
ST-
Input
Input
6
24
RD+
RD-
Input
Input
7
25
RS+
RS-
Output
Output
8
26
RT+
RT-
Input
Input
9
27
CS+
CS-
Input
Input
10
37
LL
SC
Output
_
11
29
DM+
DM-
Input
Input
12
30
TR+
TR-
Output
Output
13
31
RR+
RR-
Input
Input
17
35
TT+
TT-
Output
Output
19
20
SG
RC
-
-