1500

LOOP-E
CSU/DSU CSU/DSU SERIES
STAND ALONE
Description

Loop Telecom's Loop-E1500 CSU/DSU product series provide

an economic solution to E1 network access cost, when only a
partial of 31 DS0 channels is needed. Clear channel (32 DS0
channels) is also available. This product series support HDB3
(High Density Bipolar 3) coding and provide continuous error
checking, performance polling, and in-service diagnostics.
Customer equipment interface include E1 ICSU, serial DTE,
FEATURES
Co-directional DTE, and router. With DTE port operating from
56 Kbps to 2048 Kbps, Loop-E1500 CSU/DSU allows users to
 DSU functionality integrated with an
intelligent CSU in a compact package. interconnect LANs and WANs, CAD and CAM, video
conference, mainframe hosts, and others. With router
 Support up to 2 customer equipment
interfaces include E1 ICSU, serial DTE, interface, users can connect LAN to WAN directly without
router, and G.703 (co-directional). additional bridge/ router.
 Support SNMP Network Management
Systems. Loop-E1500 CSU/DSU series support local control and
 Support In-band Management diagnostics using 2-line by 16-character LCD display and
 Connection to LAN/WAN, CAD/CAM, keypads or RS232 console port. This allows users to execute
or Hosts to E1 Network Services. in-service diagnostics and fault isolation. An in-band
 Local control and diagnostic via RS232 port or management channel with GUI are available. The
2-line by 16-character LCD & keypad.
Loop-E1500 CSU/ DSU also provides multicolor LED
 Router - 10/100 BaseT auto selection. indicators on the front panel. Using SNMP Network

 Multicolor LED indicators. Management Systems and Telnet connection, users can
remotely control and diagnose Loop-E products from
anywhere.

CERTIFIED
ISO-9001

LOOP-E TRADEMARK PENDING

Ordering Information
To specify options, choose from list below
Note: RoHS compliant units are identified by the letter G appearing immediately at the end of ordering code.
Model (non RoHS compliant) Model (RoHS compliant) Description
Loop-E1500-2S-port-ww-SNMP Loop-E1500-2S-port-ww-SNMP Base Unit with Inband, 1-Interface port, and SNMP
-pp -pp-G
Loop-E1500-2S-port-port-ww Loop-E1500-2S-port-port-ww Base Unit with Inband, 2-Interface ports, and SNMP
-SNMP-pp -SNMP-pp-G
Accessories
User’s Manual (All User’s Manuals are RoHS compliant)
Loop- E1500-2S-UM Loop- E1500-2S-UM User’s Manual (paper, hard copy-optional). A CD version of
the manual is already included as standard equipment.
Tray
61.000015.A00 61.000015.A00-G 19" Tray (One tray for two base units)
81.TRAY23.000 81.TRAY23.000-G 23" Tray (One tray for two base units)
Power Cord (All power cords are RoHS compliant)
Loop-ACC-PC-USA Loop-ACC-PC-USA AC power cord for Taiwan/USA
Loop-ACC-PC-EU Loop-ACC-PC-EU AC power cord for Europe
Loop-ACC-PC-UK Loop-ACC-PC-UK AC power cord for the UK
Loop-ACC-PC-AUS Loop-ACC-PC-AUS AC power cord for Australia
Loop-ACC-PC-CH Loop-ACC-PC-CH AC power cord for China
Where
port =
(non RoHS (RoHS Description
compliant) compliant)
11 11G V.35 DTE interface with M34 connector NOTE : With M34 connector, only one interface
port allowed.
22 22G V.35 DTE interface with DB25 connector
33 33G EIA530 DTE interface
44 44G X.21 DTE interface
55 55G RS232 DTE interface
66 66G RS449 DTE interface via conversion cable
E1 E1G E1 interface
RT RTG Router interface NOTE : Two Router interfaces for one base unit is available on special
order.
CD Not available Co-directional interface with RJ48 connector
BR BRG Bridge interface
ww =
(non RoHS (RoHS Description Note
compliant) compliant)
75 75 75 ohm BNC E1 interface NOTE : All 75 ohm BNC E1 interface and 120
120 120 120 ohm Twisted Pair RJ48C E1 ohm Twisted Pair RJ48C E1 interface are
interface RoHS compliant.
RF Not available 75 ohm RF-coaxial E1 interface

pp= DC for 20 to 60 Vdc power source

AC for 90-250, 50/ 60 Hz Vac (For AC choose an appropriate power cord)
Example:
Loop-E1500-2S-22-RT-75-SNMP-DC=
V.35 DTE interface with DB25 connector, Router interface, 75 ohm BNC, and SNMP. Power is DC.
LOOP-E1500 CSU/DSU SERIES PRODUCT SPECIFICATIONS (Stand Alone)
Line Interface (E1 Interface) - Network & Customer
Line Rate 2.048 Mbps ± 50 ppm
Line Code AMI / HDB3 (selectable)
Input Signal ITU G.703
Jitter ITU G.823
Framing ITU G.704
Connector BNC/RJ48C (specify on order)
Output Signal ITU G.703
Electrical 75Ω Coax/120Ω twisted pair
Serial DTE Port
Data Port Single DTE
Data Rate n ∗ (56 or 64) Kbps ( n = 1 - 31)
Connector M34 for V.35
DB25S for V.35, RS232, and EIA530
DB15S for X.21
DB37 for RS449 via conversion cable
Router Interface
Number of ports 1
Physical Interface 10/100 BaseT x 1
Connector RJ45
Routing Protocol RIP-I, RIP-II
Data Rates n x 64 Kbps up to E1 capacity (n=1 to 31)
Supporting Protocols TCP/IP, PPP, NAT
Management VT-100, SNMP, LCD Panel
Co-directional Interface
Interface ITU G.703 64 Kbps co-directional interface
Connector 120ohm, RJ48
Line Distance Up to 500 meters
Loopback DTE Payload Loopback, DTE to Line Loopback
DS0 Mapping
Maps 2 sets of DS0 maps with provision for timed automatic switching between the 2 maps
Remote Send Send active DS0 maps to remote site
Inband Management
Management Protocols HDLC, PPP
Channel Channel selectable
Clear Channel (Unframed Option)
Data Rate 2048 Kbps
Performance Monitor
Performance Store Last 24 hours performance in 15-minute intervals and last 7 days in 24-hour summary line,
user, and remote site
Performance Reports Date & Time, Errored Second, Degraded Minutes, Unavailable Second, Bursty Errored
Second, Severe Errored Second, Controlled Slip Second, and Loss of Frame Count
Alarm History Date & Time, Alarm Type (i.e. Master Clock Loss, RAI, AIS, LOS, BPV, ES, CSS), and
Location (i.e. line, DTE)
Alarm Queue Maximum 40 alarm records which record the latest alarm type, location, and date & time
Threshold Bursty Seconds, Severely Errored Second, Degraded Minutes
System Configuration Parameters (All in non-volatile memory)
Active Configuration Current working configuration
Stored Configuration User stored configuration
Default Configuration Manufacture default configuration (permanent)
Console Port
Connector DB9S at front panel
Electrical RS232 interface
Protocol Menu driven VT-100 terminal, or Embedded SNMP (optional)
Baud Rate 1200, 2400, 4800, 9600, 19200, 38400
Diagnostics Test
Loopbacks Line Loopback, Payload Loopback, Local Loopback, DTE Loopback, and Router Loopback
Test Pattern 15-bit PRBS, 3-in-24, 1-in-8, 2-in-8, 1:1 patterns
Idle Channel Use of idle channel to perform PRBS diagnostic test
Remote Loopback Line Loopback, Payload Loopback, and DTE Channel Loopback (V.54 or Loop proprietary)
Front Panel
Keypad 4-key: left arrow, right arrow, ESC, and ENTER
LCD 2 lines by 16 characters
LED Indicators
Physical/Electrical
Dimensions 216 x 55 x 285 mm (WxHxD)
Power 100-240Vac, 20 to 60 Vdc, 50/60 Hz, 5 watts
Temperature 0 -50°C
Humidity 0-95% RH (NON-CONDENSING)
Mounting Desk-top stackable
Compliance
ETSI ETS 300420, ETS 300419
ITU G.703, G.704, G.706, G.732, G.736, G.823, G.826
EMI/EMC EN50082-1, EN55022 Class A
Safety EN60950
Application Illustrations

Video
Conference DTE Loop-E 1500

DTE E1 WAN
Router

LAN

PBX E1 Loop-E 1500

Router E1 WAN

LAN

Loop-E 1500
PBX E1 Loop-E 1500 Inband Extraction
E1 E1 Network
Router
Inband Insertion
LoopView
(SNMP Manager)
Other Loop
products
LAN

Digital Data
Loop-E 1500 Loop-E 1500
Network E1

D&I DTE1 DTE1 D&I

CLUSTER HOST
Channel CONTROLLER COMPUTER
Channel
Bank Bank

Digital Data
Loop-E 1500 Loop-E 1500
Network E1

DTE1 DTE2 DTE1 DTE2

Bridge/ Bridge/
Router Router

LOOP TELECOMMUNICATION INTERNATIONAL, INC.

LoopTelecom.com
Worldwide Taipei, Taiwan North America Suzhou China Tianjin China
8F, No. 8, Hsin Ann Road, 2F, No. 40, Section 2, 8 Carrick Road Tel:+86-512-6252-0456 Tel:+86-22-8789-2753
Science-Based Industrial Park Tuan-Hwa S. Road, Palm Beach Gardens Fax:+86-512-6252-7641 Fax:+86-22-8789-0344
Hsinchu, Taiwan 300 Taipei, Taiwan 106 Florida 33418, U.S.A. Sales@looptech.com.cn Loop@loop-tj.com
Tel:+886-3-578-7696 Tel:+886-2-2784-4000 Tel:+1-561-627-7947
Fax:+886-3-564-6272 Fax:+886-2-2754-2325 Fax:+1-561-627-6615
www.LoopTelecom.com jimber561@aol.com
sales@loop.com.tw

 2006 Loop Telecommunication International, Inc. • All Rights Reserved

Version 17, 16 JUN 2006 Subject to change without notice.