Delta Electronics SFP Transceiver LCP-2488B4HDRx - Manual (Page 11)

DELTA ELECTRONICS, INC.
11 2008/3/14
Rev. 0B
www.deltaww.com
Digital Diagnostic Monitoring Interface
Alarm and Warning Thresholds (2-Wire Address A2h)
Address
#
Bytes
Name Value (Dec.) Unit Note
00-01 2 Temp High Alarm T
C
(MAX.)+8
02-03 2 Temp Low Alarm T
C
(MIN.)-8
04-05 2 Temp High Warning T
C
(MAX.)+3
06-07 2 Temp Low Warning T
C
(MIN.)-3
℃ 1
08-09 2 Voltage High Alarm Vcc+0.5
10-11 2 Voltage Low Alarm Vcc-0.5
12-13 2 Voltage High Warning Vcc+0.2
14-15 2 Voltage Low Warning Vcc-0.2
Volt
16-17 2 Bias High Alarm I
OP
*2+20
18-19 2 Bias Low Alarm I
OP
-20
20-21 2 Bias High Warning I
OP
*2+10
22-23 2 Bias Low Warning I
OP
-10
mA 2
24-25 2 TX Power High Alarm P
h
+2
26-27 2 TX Power Low Alarm P
l
-2
28-29 2 TX Power High Warning P
h
+1
30-31 2 TX Power Low Warning P
l
-1
dBm 3
32-33 2 RX Power High Alarm P
0
+2
34-35 2 RX Power Low Alarm P
S
-2
36-37 2 RX Power High Warning P
0
+1
38-39 2 RX Power Low Warning P
S
-1
dBm 4
40-45 16 Reversed
56-91 36 External Calibration Constants
92-94 3 Reversed
95 1 Checksum 5
96-97 2 Real Time Temperature
98-99 2 Real Time Supply Voltage
100-101 2 Real Time Tx Bias Current
102-103 2 Real Time Tx Optical Power
104-105 2 Real Time Rx Received Power
106-109 4 Reserved
110 1 Optional Status/ Control Bits 6
111 1 Reserved
112-119 8 Optional Set of Alarm and Warning 7
Notes:
1) T
C
: Case Operating temperature
2) I
OP
: Operating current at room temperature. The min. setting current is 0 mA.
3) P
h
: Maximum value of transmitter optical power
Pl: Minimum value of transmitter optical power
4) P
0
: Overload optical power of receiver
P
S
: Sensitivity optical power of receiver
5) Byte 95 contains the low order 8bits of sum of bytes 0-94