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Linear Acoustic upMAX 2251 User Guide
Ethernet Port
The Ethernet port is a standard RJ-45 female connector that supports 10 or
100BASE-T.
GPI/O Parallel Control Port
TTL level controls, active Low. GPI A and B are held low to activate their assigned
function, while GPI 1-6 require momentary contact to ground to activate their func-
tions. The 5-V output for external GPO indicators is limited by a self-resetting fuse.
Table 5-6 GPI/O Parallel Control Port Pinout
Pin
1
+ 5 V (150 mA)
2
GPI A (Hold Low=On)
3
GPI B (Hold Low=On)
4
GPI 1 (Momentary)
5
GPI 2 (Momentary)
6
GPI 3 (Momentary)
7
GPI 4 (Momentary)
8
GPI 5 (Momentary)
9
GPI 6 (Momentary)
10
No Connection
11
No Connection
12
GPO 2
13
Ground
Function
Pin
14
15
16
17
18
19
20
21
22
23
24
25
30
Function
+ 5 V (150 mA)
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
GPO 1
Ground
Specifications
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