—
2
—
Panel Layout of EDS-505A/508A
(Standard)
EDS-505A
Front Panel View
EDS-508A
Front Panel View
7
6
8
9
11
10
12
13
14
15
15
2
14
15
15
MSTR/HEAD
CPLR/TAIL
MSTR/HEAD
CPLR/TAIL
V1, V2 INPUTS: 12-45 VDC
RS-232 CONSOLE
------
ON
OFF
MASTER
COUPLER
TURBO
RING
PWR1
4
3
2
1
PWR2
RELAY2
RELAY1
D
I
1
D
I
2
V2-
V2+
I
1
V1-
V1+
I
2
Top Panel View
1
2
3
4
1
Rear Panel View
2
17
16
16
5
2
1. Grounding
screw
2.
Terminal block for power input
PWR1/PWR2 and relay output
3.
Heat dissipation orifices
4. Console
port
5. DIP
switches
6.
Power input PWR1 LED
7.
Power input PWR2 LED
8. Fault
LED
9.
MSTR/HEAD: LED indicator
10. CPLR/TAIL: LED indicator
11. Turbo
Chain
logo
12. TP port’s 100 Mbps LED
13.
TP port’s 10 Mbps LED
14. Model
Name
15. 10/100BaseT(X)
ports
16. Screw hole for wall mounting kit
17. DIN-Rail
kit
