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 Synchronization of system
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
|