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Small Form-Factor Pluggable (SFP) Optical Interface Specifications (MX Series Routers)

The following SFPs are supported on MX Series routers. To determine which SFPs are supported on each DPC, see the “Cables and connectors” section for each DPC.

  • Table 1 shows the optical specifications for the 1000Base-EX SFP.
  • Table 2 shows the optical specifications for the 100Base-FX SFP.
  • Table 3 shows the optical specifications for the 1000Base-LH SFP.
  • Table 4 shows the optical specifications for the 1000Base-LX SFP.
  • Table 5 shows the optical specifications for the 1000Base-LX10 SFP.
  • Table 6 shows the optical specifications for the 1000Base-SX SFP.
  • Table 7 shows the optical specifications for the 1000Base-T SFP.
  • Table 8 shows the optical specifications for the 10/100/1000Base-T SFP.

Table 1: Optical Interface Specifications for the 1000Base-EX SFP

Parameter

1000Base-EX

Transceiver model number

SFP-GE40KM

Rate

1000 Mbps

Optical interface

Single-mode

Transceiver type

SFP

Maximum distance

9/125 SMF cable:
24.85 miles/40 km

Transmitter wavelength

1260 through 1360 nm

Average launch power

–4.5 through 0 dBm

Average receive power

–22.5 through –3 dBm

Receiver saturation

–3 dBm

Receiver sensitivity

–22.5 dBm

Table 2: Optical Interface Specifications for the 100Base-FX SFP

Parameter

100Base-FX

Transceiver model number

SFP-1FE-FX

Rate

100 Mbps

Optical interface

Multimode

Transceiver type

SFP

Maximum distance

62.5/125 MMF cable:
6562 ft/2 km

50/125 MMF cable:
1640 ft/500 m

Transmitter wavelength

1270 through 1380 nm

Average launch power

–19 through –14 dBm

Average receive power

–31 through –14 dBm

Receiver saturation

–14 dBm

Receiver sensitivity

–31 dBm

Table 3: Gigabit Ethernet 1000Base-LH SFP Optical Interface Specifications

Parameter

1000Base-LH

Transceiver model number

SFP-1GE-LH

Rate

1000 Mbps

Optical interface

Single-mode

Transceiver type

SFP

Maximum distance

9/125 SMF cable:
43.5 miles/70 km

Transmitter wavelength

1355 through 1580 nm

Average launch power

–3 through +3 dBm

Average receive power

–20 through –3 dBm

Receiver saturation

–3 dBm

Receiver sensitivity

–20 dBm

Table 4: Gigabit Ethernet 1000Base-LX SFP Optical Interface Specifications

Parameter

1000Base-LX

Transceiver model number

SFP-1GE-LX

Rate

1000 Mbps

Optical interface

Single-mode

Transceiver type

SFP

Maximum distance

62.5/125 and 50/125 MMF cable: 1804.5 ft/550 m

Transmitter wavelength

1270 through 1355 nm

Average launch power

–11.5 through –3 dBm

Average receive power

–19 through –3 dBm

Receiver saturation

–3 dBm

Receiver sensitivity

–19 dBm

Table 5: Optical Interface Specifications for the 1000Base-LX10 SFP

Parameter

1000Base-LX10

Transceiver model number

SFP-1GE-LX

Rate

1000 Mbps

Optical interface

Single-mode

Transceiver type

SFP

Maximum distance

9/125 SMF cable: 6.2 miles/10 km

Transmitter wavelength

1270 through 1355 nm

Average launch power

–11.5 through –3 dBm

Average receive power

–19 through –3 dBm

Receiver saturation

–3 dBm

Receiver sensitivity

–19 dBm

Table 6: Gigabit Ethernet 1000Base-SX SFP Optical Interface Specifications

Parameter

1000Base-SX

Transceiver model number

SFP-1GE-SX

Rate

1000 Mbps

Optical interface

Multimode

Transceiver type

SFP

Maximum distance

62.5/125 MMF cable:
656 ft/200 m

50/125 MMF cable:
1640 ft/500 m

Transmitter wavelength

770 through 860 nm

Average launch power

–9.5 through 0 dBm

Average receive power

–17 through 0 dBm

Receiver saturation

0 dBm

Receiver sensitivity

–17 dBm

Table 7: Optical Interface Specifications for the 1000Base-T Copper SFP

Parameter

1000Base-T

Transceiver model number

SFP-1-GE-T

Rate

1000 Mbps

Distance

328 ft/100 m

Connector type

RJ-45

Cable

Four-pair, Category 5 shielded twisted-pair

Pinout

MDI crossover

Table 8: Optical Interface Specifications for the 10/100/1000Base-T Copper SFP

Parameter

10/100/1000Base-T

Transceiver model number

SFP-1GE-FE-E-T

Rate

Rate selectable at 10, 100, or 1000 Mbps

Distance

328 ft/100 m

Connector type

RJ-45

Cable

Four-pair, Category 5 shielded twisted-pair

Pinout

MDI crossover

Published: 2009-07-24