Juniper-networks M20 Manuel d'utilisateur télécharger pdf (Page 24)

Status LEDs, one bicolor:

■

Off—PIC not enabled

■

Green—PIC is operating normally

■

Red—PIC has an error or failure

Port LEDs, one pair per port:

■

Link—If green, the port is online; if there is no light, the port is down

■

Activity—If flashing green, the port is receiving data; if there is no light, the port might

be on, but is not receiving data

LEDs

Table 5: Optical Interface Support for Gigabit Ethernet PICs

LH TransceiverLX TransceiverSX TransceiverPIC Type

43.5 miles/70 km

reach on 9/125

micrometer SMF

6.2 miles/10 km reach

on 9/125 micrometer

single-mode fiber

(SMF)

1804.5 ft/550 m reach

on 62.5/125 and

50/125 micrometer

MMF

656 ft/200 m reach on

62.5/125 micrometer

multimode fiber

(MMF)

1640 ft/500 m reach

on 50/125

micrometer MMF

Optical interface

1480 through 1580

1270 through 1355

830 through 860 nmWavelength

–3 through +2 dBm–11 through –3 dBm–9.5 through –4 dBmAverage launch power

–3 dBm–3 dBm–3 dBmReceiver saturation

–23 dBm (BER 1012)

for SMF

–19 dBm–17 dBmReceiver sensitivity

24 ■ Gigabit Ethernet PIC (Quad-Wide)

M20 Internet Router PIC Guide: End-of-Life PICs

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 33 34

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Juniper-networks M20 Manuel d'utilisateur Page 24

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