SICOM3004/SICOM3006 User’s Manual 201105
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PIN number
17
18
19
20
Signal definition
Port 3 SPEED LED
(fiber
port
doesn’t has this
LED)
Port 4 LINK LED
Port 4 SPEED LED
(fiber
port
doesn’t has this
LED)
Reset:
system
reset signal (it
takes effect at low
level)
PIN number
21
22
23
24
Signal definition
V1 (Ring 1 alarm
output signal)
V2 (Ring 2 alarm
output signal)
TXD1+
（
Port 1
）
TXD1‐
（
Port 1
）
PIN number
25
26
37
28
Signal definition
RXD1+ (Port 1)
RXD1‐ (Port 1)
TXD2+(Port 2)
TXD2‐ (Port 2)
PIN number
29
30
31
32
Signal definition
RXD2+ (Port 2)
RXD2‐(Port 2)
Port 6 SPEED LED GND
Note: V1 and V2 are for ring 1 and ring 2. When the switch is set to be master in a ring, if the ring
is under normal connection, the pin 21 and pin 22 output high level; if the ring is disconnected,
they output low level; when the switch is set to be slave in the ring, the pin 21 and pin 22 output
high level.
J6+J7
pin
diagram
and
pin
explanation
for
SICOM3006
(These two pins are for port 3, port 4, port 5 and port 6)
PIN number
1
2
3
4
Signal definition
GND
TXD3+ (port 3)
TXD3‐ (port 3)
RXD3+ (port 3)
PIN number
5
6
7
8
Signal definition
RXD3‐
(port 3)
TXD4+ (port 4)
TXD4‐ (port 4)
RXD4+ (port 4)
PIN number
9
10
11
12
Signal definition
RXD4‐
(port 4)
FX0_SD
(SD signal of
fiber port 1)
FX1_SD
(SD signal of
fiber port 2)
GND
PIN
number
13
14
15
16
Signal definition
GND
TXD5+ (port 5)
TXD5‐ (port 5)
RXD5+ (port 5)
PIN
number
17
18
19
20
Signal definition
RXD5‐
(port 5)
TXD6+ (port 6)
TXD6‐ (port 6)
RXD6+ (port 6)
PIN number
21
22
23
24
Signal definition
RXD6‐
(port 6)
FX3_SD
(SD signal of
fiber port 3)
FX4_SD
(SD signal of
fiber port 4)
Note: The pins which don’t have explanation in the above table are unused. Power and reset signal
