JSH-42L3AD3-5G JDSU [JDS Uniphase Corporation], JSH-42L3AD3-5G Datasheet - Page 14

• Manufacturer Part Number: JSH-42L3AD3-5G
• Description: LW 4x/2x/1x FC SFP with DDM
• Manufacturer: JDSU [JDS Uniphase Corporation]

JSH-42L3AD3-5, JSH-42L3AD3-5G
JSH-42L3AD3-20
LW 4x/2x/1x FC SFP with DDM
Two-Wire Interface Figure 6
Two-Wire Interface Figure 7
Two-Wire Interface Figure 8
Parameters are defined in Two-Wire Interface Timing Specifications on page 23.
JDSU Product Specification 21111542-001
Page 14 of 45
Two-Wire Interface Figure 5
SDA OUT
SDA
S
T
A
R
T
SCL
S
T
A
R
T
S
T
A
R
T
SDA
SCL
SDA
SCL
SDA IN
SCL
(Continued from Two-Wire Interface Figure 6.)
(Continued from Two-Wire Interface Figure 6.)
1
0
0
t
0
SU.STA
1
1
Acknowledge from SFF
Byte entered to allow the
user to set the starting
address for an Optical
Monitoring data write.
t
An example data word.
An example data word.
HD.STA
(65 in this example)
(65 in this example)
1
1
1
0
Acknowledge from SFF
Acknowledge from SFF
0
0
t
0
F
0
0
Write Data (Single-Byte) Sequence Timing
Write Data (Multi-Byte) Sequence Timing
Critical Timings
Set Data Address Sequence for Write Timing
0
1
1
t
AA
t
LOW
1
0
0
0
1
1
t
HD.DAT
t
HIGH
A
C
K
A
C
K
A
C
K
1
S
T
O
P
1
0
t
LOW
example, 0 through 255 available)
0
Data address to start writing
data to. (Address 128 in this
t
DH
Note: The first byte after a start condition must always be
an acknowledge.
the address byte for the transceiver (either A0 or A2 with
the low order bit indicating write/read) or there will not be
An example data word.
0
(9A in this example)
Acknowledge from SFF
0
Acknowledge from SFF
0
1
t
SU.DAT
0
1
0
0
t
SU.STO
0
1
0
A
C
K
A
C
K
t
S
T
O
P
R
t
BUF
OCTOBER 2008