- SFP (mini-GBIC) transceiver module
- 1000Base-EX (DWDM)
- LC single-mode
- up to 24.9 miles
- 1534.25 nm
- for Cisco 29XX
- 39XX; Catalyst 3750; Ethernet Services Plus Extended Transport 20
The transmitter section uses a multiple quantum well CEDM DFB laser and is a class 1 laser compliant according to international safety standard IEC-60825. The receiver section uses an integrated InGaAs avalanche photo detector preamplifier mounted in an optical header and a limiting post-amplifier IC.