![](/images/backgrounds/142068/bg2e.png)
Left: 4-Port Fast Ethernet PIC; Right: 8-Port Fast Ethernet PIC
Left: 12-Port Fast Ethernet PIC; Right: VHDCI to RJ-21 Cable
■4-port: JUNOS 4.1 and later
■8-port: JUNOS 5.2 and later
■12-port: JUNOS 5.1 and later
Software release
■4 or 12 100Base-TX ports; 8 100Base-FX ports
■Power requirement:
■4-port: 0.14 A @ 48 V (6.8 W)
■8-port: 0.26 A @ 48 V (12.5 W)
■12-port: 0.23 A @ 48 V (11 W)
Description
■High-performance throughput on each port at speeds up to 100 Mbps
■Source and destination Media Access Control (MAC) address filtering
■RMON EtherStats packet buffering
■802.3 Ethernet standard compliant
■4-port PICs support MTUs of up to 9192 bytes; 8-port and 12-port PICs support MTUs of
up to 1532 bytes
■4-port PICs support 1024 802.1Q VLANs per port; 8-port and 12-port PICs support 16
802.1Q VLANs per port
Hardware features
46 ■Fast Ethernet PICs
M20 Internet Router PIC Guide