Physical specifications
BayStack 425-24T Switch:
Weight: 3 kg (6.61 lb)
Height: 4.37 cm (1.72 in)
Width: 43.82 cm (17.25 in)
Depth: 22.91 cm (9.02 in)
BayStack 425-48T Switch:
Weight: 3.1 kg (6.83 lb)
Height: 4.37 cm (1.72 in)
Width: 43.82 cm (17.25 in)
Depth: 22.91 cm (9.02 in)
Performance
Switch fabric bandwidth—16 Gbps
Frame forwarding rate—
BayStack 425-24T 6.6 million packets per second (Mpps)
BayStack 425-48T 10.1 million packets per second (Mpps)
Switched 10 Mbps forwarding rate—14,880 pps maximum
Switched 100 Mbps forwarding rate—148,810 pps maximum
Switched 1000 Mbps forwarding rate—1,488,810 pps maximum
Memory—32MB memory architecture shared by all ports
4MB Flash Memory
16MB SDRAM
Address database size—8,000 entries at line rate
Addressing—48-bit MAC address
Frame length—64 to 1518 bytes (IEEE 802.1Q Untagged)
68 to 1522 bytes (IEEE 802.1Q Tagged)
Interface options
10BASE-T/100BASE-TX
RJ-45 (8-pin modular) connectors for Auto MDI/MDI-X
interface with auto-polarity
The BayStack 425 Switches support the following SFP GBICs:
1000BASE-SX
Uses short wavelength 850 nm MTRJ or LC type fiber optic
connectors to connect devices over multimode (275m, 62.5um
core or 550m, 50.0um core) fiber optic cable.
1000BASE-LX
Uses long wavelength 1300nm duplex LC type fiber optic
connector to connect devices over single mode (10km, 9um
core) fiber optic cable.
Network protocol and standards compatibility
•
IEEE 802.3 10BASE-T (ISO/IEC 8802-3, Clause 14)
•
IEEE 802.3u 100BASE-TX (ISO/IEC 8802-3, Clause 25)
•
IEEE 802.3u Autonegotiation on Twisted Pair (ISO/IEC 8802-3,
Clause 28)
•
IEEE 802.3x (Flow Control on the Gigabit Uplink ports)
•
IEEE 802.3z Gigabit
•
IEEE 802.1d MAC Bridges (ISO/IEC 10038)
•
IEEE 802.1p (Prioritizing)
•
IEEE 802.1Q (VLAN Tagging)
•
IEEE 802.1D (Spanning Tree Protocol)
•
IEEE 802.3ad (manual/static)
•
IEEE 802.3ad (LACP)
†
•
IEEE 802.1s
†
•
IEEE 802.1w
†
RFC support
•
RFC 1213 (MIB-II); RFC 1493 (Bridge MIB); RFC 2863 (Interfaces
Group MIB);
•
RFC 2665 (Ethernet MIB); RFC 2737 (Entity MIBv2); RFC 2819
(RMON MIB);
•
RFC 1757 (RMON); RFC 1271 (RMON); RFC 1157 (SNMP); RFC 2570
(SNMPv3);
•
RFC 2571 (SNMP Frameworks); RFC 2573 (SNMPv3 Applications);
•
RFC 2574 (SNMPv3 USM); RFC 2575 (SNMPv3 VACM); RFC 2576
(SNMPv3);
•
RFC 2572 (SNMP Message Processing; RFC 791 (IP); RFC 792
(ICMP); RFC 793 (TCP); RFC 783 (TFTP); RFC 826 (ARP); RFC 768
(UDP); RFC 854 (TELNET); RFC951 (Bootp); RFC 2236 (IGMPv2);
RFC 1112 (IGMPv1); RFC 1945 (HTTP v1.0); RFC 2138 (RADIUS); RFC
894 (IP over Ethernet); RFC 2674 (Q MIB)
Environmental
Operating temperature: 0° to 40°C (32° to 104°F)
Storage temperature: -25° to 70°C (-13° to 158°F)
Operating humidity:
10 to 85% maximum relative humidity,
noncondensing
Storage humidity:
10 to 95% maximum relative humidity,
noncondensing
Operating altitude:
Up to 3,024 m (10,000 ft.) above sea
level
Storage altitude:
Up to 3,024 m (10,000 ft.) above sea
level
Electrical
Input voltage (AC version): 100 to 240 VAC @ 47 to 63 Hz
Input power consumption (AC version): 46 W maximum
Input current (AC version): 2 A @ 120 VAC, 1 A @ 240 VAC
Maximum thermal output: 75 BTU/hour
Safety agency approvals
•
UL EN60950 (UL 1950 and CSA 22.2 No. 60950)
•
IEC 60950/EN60950, CB report and certificate with all
national deviations
•
C22.2 No. 950 (CUL) with all national deviations
•
UL-94-V1 flammability requirements for PC board
•
NOM-019
Electromagnetic emissions
Meets the following standards:
•
US: CFR47, Part 15, Subpart B, Class A
•
Canada: ICES-003, Issue 3, Class A
•
Australia/New Zealand. AS/NZS 3548:1995, Class A,
A1:1997/A2:1997 class A
•
Japan: VCCI-V-3/02.04 class A
•
Taiwan: CNS 13438, Class A
•
Europe: EN55022:1998/A1:2000
EN61000-3-2:2000
EN61000-3-3:1995/A1:2001
CISPR 22-1997/A1:2000 Class A
Electromagnetic immunity
The BayStack 425-24T Switch and BayStack 425-48T meet the
EN55024:1998/A1:2001 standard.
8
Technical specifications
†
Future software upgrade
