
OFM-4264 Instruction Book
Revision 0
www.irtelectronics.com
Page 5 of 8
4264-OFM_ib_Rev0.doc
Technical Specifications
IRT Eurocard module
Type OFM-4264
Type
4 Channel CWDM multiplexer.
Wavelengths
1510 nm, 1530 nm, 1550 nm & 1570 nm.
Fibre
Single mode.
Connector Type
SC/PC.
Maximum Power Handling
300 mW.
Channel Passband
> 13 nm (typically 15nm).
Insertion loss
< 2.5 dB (< 2.0 dB typically).
Passband Ripple
< 0.5 dB (typically 0.3 dB).
Uniformity
< 1.5 dB.
Return Loss
> 45 dB (typically 50 dB).
Directivity
> 55 dB.
Channel Isolation
> 30 dB (typically 40 dB).
Non Adjacent Channel Isolation
> 45 dB (typically 50 dB).
Polarization Dependent Loss
< 0.2 dB.
Other
Temperature range
-10 - 70° C ambient
Mechanical
Suitable for mounting in IRT’s 19" 1RU or 4000 series 3RU rack frame
with input and output connections on the rear panel
Finish
Front panel
Grey background, black lettering & red IRT logo
Rear assembly
Common connection mounted on bracket from main PCB
Dimensions
6 HP x 3 U x 220 mm IRT Eurocard
Due to our policy of continuing development, these specifications are subject to change without notice.