- 1U height, full front access (ETSI) unit

- 1US1 shelf STM-1(OC-3)

- 1US4 shelf STM-1/4(OC-3/12)

- Rack mount, wall mount, and stand-alone

- Aggregate Lines

- STM-1(OC-3) software configurable

- STM-1/4 (OC-3/12) software configurable

- Two hot-swappable aggregate lines

- On-board tributaries on TG1 slot

- Up to 16 E1(120 ohm)/T1

- Up to 16 E1(75 ohm)

- Fixed tributary modules on TG2 and TG3 slots

- Up to two 16 E1(120 ohm)/T1 tributary modules

- Up to two 16E1 (75 ohm) tributary modules

- Up to six E3/T3 tributary modules (for 1US4 only)

- Up to one 1 GbE and 3 FE EoS module with L2 switch (for 1US4 only)

- Up to two 1 GbE or 4 FE EoS module without L2 switch

- Power Modules

- Two hot-swappable DC plug-in modules (-36 to -75 Vdc)

- Single AC plug-in module (90 to 240 Vac)

- AC and DC (coexistent) fixed module

(90 to 240 Vac / -36 to -75Vdc)

- Two RS232 Asynchronous

- Networking Protection

- SNCP protection

- MSP (1+1) protection for TM

- TM, ADM, cross-connect

- VC11/VC12/VC3/VC4 cross-connect

- External/Internal/Line timing with SSM

- Supports VCAT, LAPS, GFP, BCP, LCAS, and non-LCAS

- Supports jumbo frame ^{note 1}

- Performance monitoring

- Alarm suppression, masking, and reporting

- Ethernet Order Wire (EOW) using VoIP technology

- Management:

- Console Port, VT-100 menu-driven; SNMP Port

- Centralized management with Loop’s EMS/iNMS over DCC channel

- LoopView GUI EMS (Element Management System)

- Loop iNMS* with full FCAPS and end-to-end circuit management

- Telnet support

- SSH

Note 1: Enquire Loop for detail.

* Future Option