E1 / T1 Series Product Introduction

E1/T1 Access Units Over-view E1/T1 Access Unit Series ETU01-(A) E1 Solution T1 Solution Ethernet Solution Standalone Series ETU01-(A) ETU01-B(C) ETU02-MUX ETU-DXC Rack Mount Series ERM01 ERM-MUX ERM-DXC Rack Mount Series TRM01 Standalone TTU01 TTU02-MUX WAN & LAN Bridge ET10A ET100

E1 Solution Standalone ETU01 ETU01-A Supports Unframed E1 and Fractional E1 Rack mountable for 19“or 23” standards AC or DC models available Modularized interface card – V.35, X.21. RS-232. RS-449, RS-530, G703/64k, Ethernet Bridging, Ethernet Routing, NRZ/BNC N * 64K, up to 2,048Kbps Complies with ITU-G.703,G.704,G.706,G.732 & G.823 Status & Alarm LEDs on front panel Configuration by the DIP Switch on the PCB Configuration by LCD menu or terminal port SNMP and In-band remote control SNMP not supported

E1 Solution Standalone ETU01-B ETU01-C Supports Unframed E1 and Fractional E1 Rack mountable for 19“or 23” standards AC or DC models available Modularized interface card – V.35, X.21. RS-232. RS-449, RS-530, G703/64k, Ethernet Bridge, Ethernet Routing, NRZ/BNC N * 64K, up to 2,048Kbps Complies with ITU-G.703,G.704,G.706,G.732 & G.823 Status & Alarm LEDs on front panel Sub-E1 function SNMP support & In-band remote control Configuration by terminal port Configuration by LCD menu or terminal port

E1 Solution Standalone ETU02-MUX Supports up to 4 different Data Ports (optional) SUB-E1 is available for E1 Drop & Insert Rack mountable for 19“ or 23” standards AC or DC models Interface module for – V.35, X.21. RS-232. RS-449, RS-530, G703/64k, Ethernet Bridge, Ethernet Router, NRZ/BNC N * 64K , up to 2,048Kbps Complies with ITU-G.703,G.704,G.706,G.732 and G.823 Status and Alarm LEDs on front panel Configuration by LCD Display or terminal port SNMP optionally supported

E1 Solution Standalone ETU-DXC 19”, 1U Standard, Standalone or rack mountable. 8 or 16 E1 ports for user selection. E1 PCM31 or PCM30 64Kbps transparent cross connects. System clock from internal oscillator or recovered from any E1. Balanced E1 (120ohm) or unbalanced E1 (75ohm). Complies with all ITU-T specifications. Provides terminal port or user friendly NMP interface. Configuration by terminal port NMP Supported

E1 Solution Rack Type ERM01 Rack mountable for 19” or 23 ” Standard for CO side. Capacity of up to 13 Fractional E1 cards, hot swappable. High Density and Solid 4U Rack. Two power card (AC or DC) for power sharing Status & Alarm indications via LEDs on front panel All connection ports on back panel SNMP optional Complies with ITU-G.703, G.704, G.706, G.732 and G.823 standards Line Card Interfaces for – V.35, X.21, RS-449, RS-530, G.703/64K, 10/100Base-T Ethernet Bridge, Ethernet Router

E1 Solution Rack Type ERM-MUX Central Multiplexer Solution in a Standard 19“ Rack. Up to 10 I/O cards may be installed. High density & compact design in a 4U high rack. Hot Swappable cards and shared power supplies. The configuration of timeslot#0 may be supported by E1A/E1B. E1 local loop-back and remote loop-back. E1 modes: Dual E1, Sub-E1 and Master/Slave mode. In Master/Slave mode, E1 operates in main or backup mode, with automatic switchover in case of failure. Standard console port allows terminal to setup and monitor operation locally. WindowsTM based NMP management over the E1 link (one timeslot) to retrieve remote alarm, for remote configuration, and remote status. Software included. No extra hardware required (Ethernet or serial).

E1 Solution Rack Type ERM-DXC Central Office E1 Digital Cross Connect Switching Solution in a Standard 19” Rack. Up to 11 I/O cards may be installed. High density & compact design in a 4U high rack. Hot Swappable cards and shared power supplies. 8xE1 per line card. Standard console port allows terminal to setup and monitor operation locally. Optional SNMP network management system card. LED Line status and alarm display on each card. Optional Power Source, AC or DC power supplies. Complies with ITU-T G.703, G.704, G.706, G.732, and G.823.

E1(T1) Single Data Port Application LAN B LAN A Router Transmission ETU01(A) (TTU01) V.35/RS-449/X.21 RS-530/RS-232 I/F LAN A Router LAN B

1E1(T1)/1 Data-port Application LAN A Broad Band Router ETU01(A) TTU01 Router E1 / (T1) Transmission ET10/100 I/F ETU01(A) (TTU01) V.35 I/F LAN B Broad Band Router ETU01(A) TTU01 ETU01(A) (TTU01) ET10/100 I/F E1 / (T1) Transmission V.35 I/F LAN C Broad Band Router ETU01(A) TTU01 V.35 I/F ET10/100 I/F ETU01(A) (TTU01) E1 / (T1) Transmission

1E1(T1)/1 Data-port Application Transmission ETU01(A) (TTU01) V.35 I/F LAN A ET10/100 I/F ET100/V35

E1(T1) Multi-Dataport Application Transmission ETU02 (TTU02) SUB E1(T1) X.21 I/F RS-232 I/F RS-449/530 I/F V.35 I/F LAN Terminal PLC ET10/100 RS-232 I/F

CO/CPE Application CO Side CPE Side E1 / T1 Transmission ERM01 (TRM01) LAN A ET10/100 I/F VLAN Switch LAN L LAN M ERM01 (TRM01) Up to 13*E1(T1) 13*Ethernet ETU01(A) ( TTU01) CO Side CPE Side

Modular Solution ETU01/TTU01 ETU02/TTU02 Interface Module Economic Solution, no extra interface converter required

Module Solution RS-232 I/F RS-449 I/F RS-530 I/F V.35 I/F X.21 I/F G703/64 I/F

Module Solution Easy to install and remove ET-10R I/F (Routing Module) (Bridge Module) Easy to install and remove NRZ I/F

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