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QuickSpecs
Accessory Product Details
HP X121 1G SFP LC LH
Transceiver (J4860C)
A small form-factor
pluggable (SFP) Gigabit LH
transceiver that provides a
full-duplex Gigabit solution
up to 70 km on single-
mode fiber.
HP X121 1G SFP LC SX
Transceiver (J4858C)
A small form-factor
pluggable (SFP) Gigabit SX
transceiver that provides a
full-duplex Gigabit solution
up to 550 m on multimode
fiber.
Ports
Physical characteristics
Environment
Cabling
Notes
Services
Ports
Physical characteristics
Environment
Electrical characteristics Power consumption typical: 0.4 W
Cabling
DA - 13280 North America — Version 20 — December 12, 2013
1 LC 1000BASE-LH port (no IEEE standard exists for 1550 nm optics); Duplex:
full only
Dimensions: 2.17(d) x 0.60(w) x 0.46(h) in. (5.5 x 1.53 x 1.18 cm)
Weight: 0.04 lb. (0.02 kg)
Operating temperature: -40°F to 185°F (-40°C to 85°C)
Operating relative humidity: 0% to 95% @ 77°F (25°C), noncondensing
Nonoperating/Storage temperature: -40°F to 185°F (-40°C to 85°C)
Altitude: up to 10,000 ft. (3 km)
Cable type:
Low metal content, single-mode fiber-optic, complying with ITU-T
G.652 and ISO/IEC 793-2 Type B1;
Maximum distance:
10-70,000 m (single-mode fiber)
Power consumption is 0.8 watts typical with 1 watt maximum at 100%
utilization.
For distances less than 20 km, a 10 dB attenuator must be used.
For distances between 20 km and 40 km, a 5 dB attenuator must be used.
Attenuators can be purchased from most cable vendors.
Refer to the HP website at
www.hp.com/networking/services
service-level descriptions and product numbers. For details about services and
response times in your area, please contact your local HP sales office.
1 LC 1000BASE-SX port; Duplex: full only
Dimensions: 2.24(d) x 0.54(w) x 0.48(h) in. (5.69 x 1.37 x 1.22 cm)
Weight: 0.04 lb. (0.02 kg)
Transceiver form factor: SFP
Operating temperature: 32°F to 158°F (0°C to 70°C)
Operating relative humidity: 5% to 85%, noncondensing
Nonoperating/Storage temperature: -40°F to 203°F (-40°C to 85°C)
Altitude: up to 10,000 ft. (3 km)
Power consumption maximum: 0.7 W
Type:
62.5/125 µm or 50/125 µm (core/cladding) diameter, graded-index, low
metal content, multimode fiber optic, complying with ITU-T G.651 and
ISO/IEC 793-2 Type A1b or A1a, respectively;
Maximum distance:
2-220 m (62.5 µm core diameter, 160 MHz*km bandwidth
2-275 m (62.5 µm core diameter, 200 MHz*km bandwidth
2-500 m (50 µm core diameter, 400 MHz*km bandwidth)
2-550 m (50 µm core diameter, 500 MHz*km bandwidth)
Cable length: 2-550m
Fiber type: Multi Mode
HP 2910 al Switch Series
for details on the
Page 33
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