
GUIDE TO INSTALLATION AND OPERATION
6
| FIO-991p
The CWDM version is designed to be used with an external optical
multiplexer, and is available with pairs of transmitters at the industry-
standard frequencies for this application.
The XX and YY values in the product designation identify the wavelengths.
Note that the clasp handle on the SFP transmitter module is color-coded to
identify its operating wavelengths.
XX YY
Optical Signal
Wavelengths
Clasp Color Code
27 29
1271 / 1291 nm
Light Purple
31 33
1311 / 1331 nm
Yellow Green
35 37
1351 / 1371 nm
Pink
39 41
1391 / 1411 nm
White
43 45
1431 / 1451 nm
Black
47 49
1471 / 1491 nm
Gray
51 53
1511 / 1531 nm
Blue
55 57
1551 / 1571 nm
Yellow
59 61
1591 / 1611 nm
Red
FIO-991p-TT-CXXCYY-LC (Dual Tx with CWDM)
FIO-991p-THTH-CXXCYY-LC (Dual High Power Tx with CWDM)
FIBER Tx A
FIBER Tx B
3G/HD/SD
SDI IN A
3G/HD/SD
SDI IN B
Optical
Tx
(1XX1 nm)
Optical
Tx
(1YY1 nm)