FCM-8520/8521-3 1000BASE-T GBIC Product Specification
F i n i s a r
I.
GBIC to Host Connector Pin Out
Pin Name
RX_LOS*
GND
GND
MOD_DEF(0)
MOD_DEF(1)
MOD_DEF(2)
TX_DISABLE
GND
GND
GND
GND
-RX_DAT
+RX_DAT
GND
V
CC
V
CC
GND
+TX_DAT
-TX_DAT
GND
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Sequence
2
2
2
2
2
2
2
2
2
2
1
1
1
1
2
2
1
1
1
1
Note: RX_LOS is used for link indication on the FCM-
8520-3, and is internally grounded on the FCM-8521-3
Table 1. GBIC to host connector pin assignment
“Sequence” indicates the order in which pins make contact when the device is hot
plugged. For additional information, see “Table 3: Signal Definitions” in the GBIC
Specification Revision 5.5.
1
Finisar Corporation
Rev A, Feb 2003
Page 2
FINISAR [ FINISAR CORPORATION. ]
