| Network
Topology |
|
| Network
Element Configurations |
- STM-1 Add & Drop Multiplexes (ADM)
- STM-1 Terminal Multiplexes (TMUX)
|
| Line Side
(Aggregate) Optics |
- 2 x STM-1e/o
- L1.1, L1.2 (ITU-T G.957 compliant)
|
| Tributary
Interfaces |
- E1 / DS1 Interfaces
- E3 / DS3 Interfaces
- STM-1o / STM-1e / E4
|
| Ethernet
Interfaces |
- 10/100 Ethernet
- LCAS
- GFP / X.86
- Lower and Higher Order Virtual Concatenation
- Full / Half Duplex, auto-negotiation
|
| Cross Connect |
- VC-12 cross connect,
- Fully non-blocking
- Line-to-Line, Line-to-Tributary, Tributary-to-Line and Tributary-to-Tributary
|
| Protection |
- 1+1 SNCP (as per G.841)
- 1+1 linear APS (as per G.841)
- VC-12, VC-3 level path protection
|
| Redundancy |
- Redundant Power Supply Unit
|
| Management |
- NES (Network Element Software), supports full FCAPS functionality via web browser
interface.
- RS-232 port for craft interface
- In-band control supported using SDH/Sonet Overhead Bytes
- E1 management channel with drop facility
- Alarm Signaling Indicators and External Contacts
|
| Maintenance |
- Higher-order and Lower-order POH, SDH level alarms and performance monitoring (as per
G.826 and G.784)
- Local & remote loop back
- Software Downloads
|
| Timing and
Synchoronization |
- Timing and Synchoronization of systm as per ITU-T Rec. G.813
- Internal oscillator of supplying a G.813 compliant Stratum -3 SEC
- Support of SSM Byte
- Internal and External Timing interfaces: Two E1 Bits
interfaces (as per ITU-T G.703)
|
| Power Supply |
- -48V DC Nominal, -36V to -60V
- Low power consumption - less than 35W
|
| Order Wire
Support, Alarms and User Data Channel |
- E1/E2 bytes used for Express Order Wire (Omnibus / Selective Calling facilities)
- F1 byte for user data channel
- 5 potential-free outputs and 2 potential-free inputs
|
| Physical
Dimensions
|
- H x W x D (44 mm x 445mm x 270 mm)
|
Environmental
- Operating Temperature
- Humidity
|
- 0° to 50° C
- 10% to 90%, non-condensing
|