1. E1 / T1
Series Product
Introduction

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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).

9. 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.

10. 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

11. 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

12. 1E1(T1)/1 Data-port Application
Transmission
ETU01(A)
(TTU01)
V.35 I/F
LAN A
ET10/100
I/F
ET100/V35

13. 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

14. 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

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

16. 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

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

18. ~ Quality Service Flexible CTC Union Technologies ~
The End