Features
- EOW service channels and external static alarm input output option;
- 1U or 2U high 19'' subrack;
- all cables on the front side;
- SFP pluggable optical modules with Digital Diagnostics monitoring;
- hot swap tributary cards;
- management over SNMP with JavaWebStart GUI, CLI, Telnet, VT-100 or LEDs+LCD display;
- compatible with SpakView NE management system or any other SNMP based.
Benefits
- easy to install and configure;
- compact solution;
- PDH multiplexing principle enables 72xE1 in 154 Mb/s stream;
- E1 channels are suitable for synchronization transmission;
- SFP up to 140 km without regenerator;
- enables smooth migration from TDM to packet services;
- possibility of adapting capacity of Ethernet traffic to actual needs;
- management system with a SNMP agent and OSPF router is built into the unit;
Applications
- point-to-point Ethernet plus TDM connections over fiber optics;
- LAN and PBXs extension and distribution;
- telecommunications for protecting and control systems;
- optical interconnections and/or protection for radio relay systems.
LINE INTERFACE | |
Bit Rate
Transmission capacity Installation mode Suitable SFP modules |
154.176 Mb/s ± 20 ppm
72 x E1 equivalent* SFP plug-in module (optical up to 140 km or electrical); ITU-T G.957 SDH STM-1 optical/electrical SFP passive cable |
*E3 every E3 occupies 17 x N (N is the number of equivalent E1 channels); *Ethernet: transmission capacity is: 2092 kbit/s x N (N is the number of equivalent E1 channels). |
|
Е1 INTERFACE | |
Bitrate (plesiochronous)
Number of ports ITU-T recommendations Nominal impedance Connector type |
2.048 kb/s
8/8 per central/tributary module G.703 point 6 asymmetrical 75 Ohm, symmetrical 150 Ohm SubD 37 pins |
Е3 INTERFACE | |
Bitrate (plesiochronous) Number of ports ITU-T recommendations Nominal impedance Connector type |
34.386 kb/s
3 per tributary module G.703 point 8 75 ? 1.0/2.3 coaxial |
ETHERNET INTERFACE | |
Interface type
Transmission speed Number of ports Connector type |
IEEE 802.3 half duplex and duplex; IEEE802.3 management statistics (RMON); IEEE 802.3u auto-negotiation adjustable 2-100 Mb/s - 2.092 Mb/s step 2 on central module RJ45, automatic connector MDI/MDIX |
EOW DATA INTERFACE | |
ITU-T recommendations
Number of ports Transmission speed Connector type |
V.28/V.11 - SW defined
8 per TMEOW module input/output - SW defined Up to 512 kbit/s - SW defined |
EOW AUX. INPUT/OUTPUT | |
Number of inputs Number of outputs |
4-6 per TMEOW module SW defined 2-4 per TMEOW module SW defined |
OTHER INTERFACE | |
Management interface Service channel interface |
10 Base-T/100 Base-TX adaptive 10 Base-T/100 Base-TX adaptive |
ENVIROMENTAL CODITIONS | |
Operation
Storage/Transport EMC compatibility |
-5-+45°C/8- % ETSI EN 300 019 class 3.1E
ETSI EN 300 019 class 1.1/class 2.3 ETSI 301 489-4 |
POWER | |
Power Supply Power consumption |
from 20V to 72V ETSI EN 300 132 <19 W - 1U, <39 W - 2U |
MECHANICAL / ENVIROMENTAL | |
Dimensions (H x W x D) Weight |
45 х 442 х 240 mm - 1U, 86 x 442 x 240 mm - 2U 3,17 kg - 1U, 5,96 kg - 2U |