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97
Serial Port
For detailed information about the combination ports, see
Router Hardware Description, page 13
.
Table 4
SFP Port Specification
Pin
Signal Name
Input/Output
Signal Description
1
VeeT
–
GND
2
TxFault
Output
Connects to GPIO
3
TxDisable
Input
Driven from GPIO
4
MOD-DEF(2)
Bidir
Bidirectional. Connects to I2C data
5
MOD-DEF(1)
Input
Connects to I2C Clock
6
MOD-DEF(0)
Output
Grounded in SFP, indicates SFP is present
7
Rate Select
1
–
–
8
LOS
Output
Connects to GPIO
9
VeeR
–
GND
10
VeeR
–
GND
11
VeeR
–
GND
12
RD-
Output
Connects to PHY
13
RD+
Output
Connects to PHY
14
VeeR
–
Gnd
15
VccR
–
3.3V
16
VccT
–
3.3V
17
VeeT
–
GND
18
TD+
Input
Driven from PHY
19
TD-
Input
Driven from PHY
20
VeeT
–
GND
1
Rate Select is an optional SFP input that controls receiver bandwidth when used with Fibre
Channel applications. This pin is unconnected.
Table 5
Serial Port Specification
RS-232
1
Pin
Signal Description (Abbreviation)
DTE
DCE
1
DCE ready, ring indicator (DSR/RI)
<—
—>
2
Received line signal detector
(DCD)
<—
—>
3
DTE ready (DTR)
—>
<—
4
Signal ground (COM)
–
–
5
Received data (RxD)
<—
—>
6
Transmitted data (TxD)
—>
<—
Содержание Firepower 1120
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