Product Features
■ Mounts in 19-inch
relay racks
■ D4 channel unit common-
ality protects investment
■ Single digroup bank
allows for cost-effective
growth
■ Reduced common
equipment section
enhances reliability
■ Redundant power supply
units enhance reliability
■ Built-in intelligence
■ Comprehensive DS0
and DS1 Performance
Monitoring
■ Compatible with
Bellcore’s NMA and
OPS/INE using ADTRAN
Site Manager
■ Multiple communication
links for easy monitoring
and control
■ Industry leading ten-year
North American warranty
The ADTRAN
®
ACT 1900 is an intelligent
D4 channel bank intended for central
office (CO) installations where intelligence,
low-cost commonality of channel units,and
high reliability are desired. Based on industry
standard D4 technology, the ACT 1900 accom-
modates a wide variety of low-cost channel
units from numerous suppliers. Intelligent
ADTRAN channel units, which provide DS0
performance monitoring and remote provi-
sioning capabilities, complement the
advanced functionality of the ACT 1900.
The ACT 1900 benefits from a reduced
common equipment section consisting of
only three common units: Bank Controller
Unit (BCU), Line Interface Unit (LIU), and
Power Supply Unit (PSU). The BCU is an
intelligent controller for the bank providing
non-intrusive communications to the channel
units, control of the multiple communications
ports, and storage of alarm, provisioning, and
performance information. The communica-
tions ports consist of a local craft interface
for terminal control, a modem access port,
and an RS-485 interface to the ADTRAN Site
Manager for management of multiple banks.
Enhancing the control and maintainability
of the ACT 1900, the ADTRAN Site Manager
provides centralized management for as
many as 500 channel banks. It is a low cost,
Network Equipment Building Standard (NEBS)
compliant, VME-based computer, which
connects to the ACT 1900s over a two-wire,
addressable RS-485 communications link.
The Site Manager also provides an interface
to various Operations Support Systems (OSS)
such as Bellcore’s NMA and OPS/INE for
alarm reporting, trouble isolation, and flow-
through provisioning of intelligent ADTRAN
channel units. Several protocols and connec-
tions are available for flexibility and network
integration including TL1, SNMP, and an
internal X.25 interface for WAN management.
The ACT 1900 monitors both the DS1
performance as well as the DS0 performance
at the channel unit level. ADTRAN intelligent
Performance Monitoring, or PM, channel
units monitor the performance of the local
loop to the customer’s equipment and non-
intrusively report the data collected to the
BCU for storage for a maximum of seven days.
The PM units are also provisionable either
locally or remotely using the BCU craft inter-
face and Site Manager, respectively. Six
intelligent PM units are available: OCU
DP/PM, DS0 DP/PM, U-BR1TE PM, E&M/TO
PM, FXO/DPT PM, AND FXS/DPO PM. The
DS0 performance information consists of
parameters such as error performance, signal
level, open-loop condition, and channel unit
alarm or out-of-service condition.
Intelligent D4 Channel Bank
ACT 1900
Intelligent D4 Channel Bank
Product Specifications
Physical
■
Dimensions: 19" W, 12" H, 12" D
■
Weight: 15 lbs (with commons only)
■
Mounting: 19-inch relay rack
■
Channel Unit Capacity: 24 channel units
■
Channel Unit Mechanics: WECO D4 mechanics
Rear Panel Connections:
■
Five 25-pair amphenal loop connectors
■
Wirewrap pins for T1, alarms, ring generator, power
(A & B), and RS-485 bank communications
■
One DB-25 connector for modem access
Electrical
Power Requirements:
■
48 VDC, 2 amps minimum
■
Redundant 48 VDC power input
■
Operating Temperature: –30° to 65°C
■
Storage: –40° to 85°C (–40° to 185°F)
■
Relative Humidity: Up to 95%, non-condensing
Bank Communications:
■
VT 100 craft interface using EASYMENU
■
RS-485 interface to Site Manager
■
Modem access port
ACT 1900
Network Management
Site Manager:
■
Up to 500 ACT 1900s
■
LAN interface to SNMP host management system
■
X.25 interface supporting TL1
■
RS-232 interface to VT 100 terminal
Complementary Products
Equipment Part #
■
Site Manager 4150075L1
■
SMX PM 1109084L1
■
OCU DP/PM 1109005L3
■
DS0 DP/PM 1109003L1
■
U-BR1TE PM 1109020L1
■
E&M/TO PM 1109402L1
■
FXS/DPO PM 1109403L2
■
FXO/DPT PM 1109404L2
Ordering Information
Equipment Part #
ACT 1900 system w/1 Power Supply 4150ACT1900L2
ACT 1900 system w/1 Power Supplies 4150ACT1900L4
Specifications subject to change without notice. ADTRAN is a registered
trademark of ADTRAN, Inc. All registered trademarks and trademarks men-
tioned in this publication are the property of their respective owners.
ADTRAN, Inc.
Attn: Enterprise Networks
901 Explorer Boulevard
Huntsville, AL 35806
P.O. Box 140000
Huntsville, AL 35814-4000
256 963-8000 voice
256 963-8699 fax
256 963-8200 fax back
General Information
800 9ADTRAN
www.adtran.com
Pre-Sales
Technical Support
800 615-1176 toll-free
www.adtran.com/support
Where to Buy
877 280-8416 toll-free
www.adtran.com/where2buy
Post-Sales
Technical Support
888 423-8726
www.adtran.com/support
ACES Installation &
Maintenance Service
888 874-ACES
www.adtran.com/support
International Inquiries
256 963 8000 voice
256 963-6300 fax
www.adtran.com/international
For the regional office
nearest you, visit:
www.adtran.com/where2buy
61150051L1-8B April 2002
Copyright©2004 ADTRAN, Inc.
All rights reserved.
ADTRAN is a
TL 9000 3.0 certified supplier.
ADTRAN is an
ISO 9001: 2000 certified supplier.
ACT 1900
OCU DP
DDST IV
Network
Interface Unit
DSU
DSO & DSI
Threshold Alarms
End User TELCO
Network
Management
System
DDST IV
AUTOMATIC
RATE ADAPTIVE
T400-DDST IV
2210050-5
56
64
SC
38.4
9.6
19.2
2.4
4.8
LOOPBACK
ON/OFF
ACTIVE
SOLID = NO SX
FLASH = CHK WIRE
PM ACTIVE
Monitored
DSO Network
OCU DP
1109005L1
SD4/PM
IDLE
AP
REM
SC
PM
NO SX
LB
DIS
TX(OUT)
TX(IN)
64
56
38.4
19.2
9.6
4.8
2.4
SW56
2.4
4.8
9.6
19.2
38.4
56
ENTER
123
456
789
#0
*
CANCEL
RS CS TD RD CD TR SR
ISU 128
DS0 Performance Monitoring
ACT 1900
VT 100
RS-232
RS-485
ACT 1900
OPS/INE
Performance
Monitoring
Platform
Site Manager
(Rackmount)
TCP/IP
LAN
SNMP Host
Up to 500
Channel
Banks
NMA
S
IT
E
M
A
N
A
G
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R
TLI
1
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1
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0
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1
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4
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1
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04
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1
104
0
0
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1
10
400
3
L
1
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1
1
04
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11
0
4
0
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D
S
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DP
DSO DP
DSO
D
P
D
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D
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D
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DS
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DSO D
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DSO
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P
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DSO DP
D
S
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D
P
D
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D
P
D
SO DP
DS
O
D
P
D
SO
DP
X.25
Network
Network Management
-
1
-
2
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