Chapter 12: Technical Specifications and Standards
Chapter 12: Technical Specifications and Standards
General
E3Switch often provides custom hardware and software solutions to meet requirements not shown below.
Indicators:
LED – LAN Status/Rx; Telcom Status/Rx; Bit Error.
User Data Rate:
Single: DS3/T3: 43.4 Mbit/s; E3: 33.2 Mbit/s. Dual DS3/T3: 86.8 Mbit/s; E3: 66.4 Mbit/s
Aggregate Data Rate:
DS3/T3: 44.736 Mbit/s; E3: 34.368 Mbit/s.
Management:
SNMPv2c with VACM View-Based Access Control; HTTP comprehensive web interface; in-band
through any port or out-of-band with second SFP LAN port option.
LAN:
100Base-TX to 1650 bytes (9600 byte and 1000Base-T options) – VLAN QinQ – 1/2MByte buffers,
SFP copper/optical available
VoIP/Video:
Dedicated VoIP queue for low-latency high-CoS 802.1p VoIP/video processing
Firmware Upgrades:
GbE/Jumbo-Frame; Dual Telco Path with aggregation & failover; Optical/Copper SFP LAN
Network/Link
Total Path Latency:
Through 2 back-to-back units: 0.070ms/0.350ms (60/1518-bytes GbE) – 0.150ms/0.450ms (100Base-
TX)
Path Throughput:
39,300 packets/sec simultaneously each direction, or 78,600 in asymmetric unidirectional use.
DS3/E3 Frame
Format:
C-Bit / M13 / M23 / G.751 – HDB3/B3ZS – Unchannelized (no T1/DS1/E1) or unframed. PMDL Circuit
ID for C-Bit links.
DS3/E3 Waveshape
Compliance:
ANSI T1.102-1993, Telcordia TR-NWT-000499 and GR-253-CORE, ITU-T G.703.
DS3/E3 Cabling:
DS3/T3: 300 meters; E3: 480 meters to radio/CSU; BNC – 75ohm one rx, one tx.
DS3/E3 Frame Lock:
250ms typical lock time. Lock maintained up to 10
-2
BER typically.
LAN Layer-1:
100BaseTX full duplex – Autoneg/Auto-MDIX correction; 1000Base-X optical SFP and GbE options
LAN Layer-2:
802.3x flow-control; 802.1p CoS/priority for VoIP; 1650-byte packets (9600 for jumbo option);
Transparent VLAN; QinQ. Link aggregation for dual-channel option.
Packet Filtering:
No filtering. Broad/Multicasts forwarded to link; 500kByte buffering.
Packet Priority:
Seperate high-priority queue for 802.1p priority packets (i.e. VoIP/video).
Mechanical/Electrical
Dimensions (WxLxH):
Standalone: 4.75” wide 1U with 19” rackmount brackets (120mm x 215mm x 38mm (4.75” x 8.5” x
1.5”);
6-slot/1U and 20-slot/3U NEBS-III redundant power chassis available.
Weight:
1 kg / 2 lbs.
Power:
100-240VAC or ±35-75VDC – 6 Watts. Redundant power chassis available.
Power Connector:
VAC: IEC connector. VDC: Screw terminal.
LAN Connectors:
RJ-45 with optional SFP port.
DS3/E3 Connectors:
Two 75-ohm BNC – one rx, one tx; Second optional T3/E3/DS3 channel.
Environmental
Operating Temperature:
0
°
C to 50
°
C (30
°
F to 122
°
F); Storage Temperature: -20
°
C to 70
°
C (-4
°
F to 158
°
F)
Operating Humidity:
10% to 90% – Non-Condensing; Storage Humidity: 5% to 95% – Non-Condensing
Regulations
RFI/EMI/RoHS:
FCC Part 15, Class A; EMC Directive (89/336/EEC) (CE Mark); EN55022, Class A; EN55082-1;
AS/NZS 3548 (C-Tick Mark); ICES-003, Class A; VCCI, Class A; RoHS Compliant and others.
For More Information:
UNITED STATES (Worldwide):
E3Switch LLC
80 Coronado Ave
San Carlos, CA 94070 U.S.A.
http://www.e3switch.com
[email protected]
Tel: +1-650-241-9941
29
