Specifications
HMG-1648P & HMG-1648EP Hardware & Installtion
A-2
EIA/TIA-568 100
Ω
(100m)
100Base-TX
2-pair UTP/STP Cat. 5/5e cables
EIA/TIA-568 100
Ω
(100m)
100/1000Base SFP
50/125um~62.5/125um (Multi-mode)
9/125um (Single-mode)
Protocols CSMA/CD
Switching Architecture
Store and Forward
Regulatory Approvals
EMC
CE, EN 61000-6-2, EN 61000-6-4
EMI
FCC Part 15 Subpart B Class A,CE EN55022 Class A
EMS
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6,
EN 61000-4-8
Safety UL
60950-1
Railway Application (Track Side)
EN 50121-4 (Certified)
Shock IEC60068-2-27
Vibration IEC60068-2-6
Free Fall
IEC60068-2-32
Environmental WEEE,
RoHS
MTBF
419,048 hours based on Mil-Hdbk-217F, GB
Warranty 5
years
Software Specification
Redundancy
Direct-Ring, Direct-Chain, Join-Ring < 10ms recovery time,
(Each switch can configure up to 5 rings regardless of Direct-Ring, Direct-Chain,
Join-Ring, and each ring can contents 250 units of switches), supports loop protection
STP/RSTP/MSTP
ITU-T G.8032 / Y.1344 ERPS with < 50ms recovery time
(Single Ring, Sub-Ring, Multiple ring topology networks)
Link Aggregation: Static supports up to 10 trunk groups
Dynamic (IEEE 802.3ad LACP) supports up to 10 trunk groups
VLAN
VID 1 to 4094
VLAN group up to 4094 groups
IEEE 802.1ad Q-in-Q
MAC-based VLAN (256 entries)
IP Subnet-based VLAN (128 entries)
Protocol-based VLAN (Ethernet, SNAP, LLC), (128 entries)
VLAN Translation (256 entries)
GVRP (GARP VLAN Registration Protocol)
MVR (Multicast VLAN Registration)
QoS
Port based and IEEE 802.1p based CoS
QoS determined by port, per port 8 active priorities queues
IP Precedence based Co, IP DSCP based CoS
