TxPORT shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use of this material. TxPORT
reserves the right to revise this publication from time to time and make changes in content
without obligation to notify any person of such revision changes.
Contents of this pu blication m ay be prelimin ary and/or may be changed at an y time with out
notice and shall not be regarded as a warranty.
Documentation Disclaimer
TxPOR T makes no representation or war ranties of any kind whatsoe ver with respect to the
contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
General
1.0Introduction
The TxPORT 2010 ESF CSU provides an economical solution for interfacing a metallic T1 facility to customer provided T1 equipment. The 2010 supports ANSI T1.403 or
AT&T 54016 ESF CSU requirements.
The 2010 may be ordered as a stand -alone unit or as a modular card for mounting in a chassis. When the 2010 is paired
with a TxPORT 2000 CSU at the far end, the 2010 can be
managed over the TxPORT EM8000 element manager network.
For applications requiring the use of alarm contacts, the unit
may be ordered with an ACO and alarm card. The 2010 has
primary and secondary surge protection on both the network
and DTE side (meeting UL 1459 requirements).
The unit provides ALBO circuitry on the network path and
DSX circuitry on the DTE receive paths. The network
ALBO supports a receive range of +1 dB to -30 dB. The
DTE supports DSX1 signal ranges up to 655 feet.
The unit also provides LBO circuitry on both network and
DTE. The network transmit LBO is user selectable (0, -7.5,
-15, and -22.5 dB). The DTE transmit LBO is user selectable in four incremental ranges from 0 to 655 feet.
TxPORT 2010 CSU
®
TRANSPORT
2010
ESF CSU
AB
7654321
ACO
S1
ACO SW
7654321
S2
NET ERROR
FAR ERROR
DTE ERROR
LOOP
1.1Specifications
Network Interface
Line Rate:1.544 Mb/s (±50 bps)
Line Framing:D4 or ESF
Line Code:AMI or B8ZS
Line Impedance:balanced 100 Ω (±5%)
Input Signal:DS1, +1 to -30 dB (ALBO)
Output Signal:3.0 V (±15%) base-peak into 100 ¾
Line Build Ou t:0, -7.5, -15, a nd -22.5 dB attenuation
Line Protection:1000 V lightning, fused input/output
Jitter Control:per TR62411 and T1.403
Pulse Density:per TR62411
FRM
NET
MON
TO
DTE
LOOP
NRM
TO
NET
MON
FRM
DTE
General 1-12010 CSU
Equipment Interface
!
Line Rate:1.544 Mb/s (±50 bps)
1.2FCC Requirements
Line Framing:D4 or ESF
Line Code:AMI or B8ZS
Line Impedance:balanced 100 Ω (±5%)
Input Signal:DSX1 to -6 dB
Output Signal:Selectable DSX1 level from 0 to 655
feet in 4 incremental levels
Line Protection:1000 V lightning, fused input/output
Mechanical
Stand-alone Unit:
Mounting:desktop, wall, horizontal rack, or
vertical rack
Dimensions:1.72" W, 6.8" H, 10.5" D
Weight:2 lbs.
Operating Temp:0° to 50° C (32° to 122°F)
Storage Temp:-20° to 85° C (-4° to 185°F)
Humidity:95% max (non-condensing)
:
WARNING: Changes or modifications to
this unit not expressly approved by the party
responsible for compliance could void the user’s
authority to operate the equipment.
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditi ons:
1) This device may not cause harmful interference.
2) This device must accept any interference received,
including interference that may cause undesired operation.
This equipment has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15 of
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment
is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and
if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference. The user will be
required to correct the interference at his own expense.
Shielded cables must be used with th is unit to ensure compliance with the Class A FCC limits.
Notice to Users of 1.544 Mb/s Service: The following
instructions are provided to ensure compliance with FCC
Rules, Part 68:
1) All di rect connections to T1 lines must be made using
standard plugs and jacks.
Compatibility
TR54016September 1989
TR62411
ANSI T1.403
Industry
FCC Compliance:Part 15, Subpart B, Class A
FCC Part 68 Reg:FXKUSA- 75690-DE-N
UL Approved
CSA Certified:LR 62298
DOC/CSO3:1653 5649 A
1-2General 2010 CSU
Standards
2) Before connecting yo ur unit, you must inform the local
telephone company of the following information:
Port ID: P/N/12 - 00635
REN/SOC: 6.0 N
FIC (Facility Interface Code):
04DU9-BN04DU9-DN
04DU9-1KN04DU9-1SN
04DU9-1ZN
USOC jack:RJ48C (stand-alone version)
RJ48H (chassis version)
3) If the unit appears to be malfunctioning, it should be
disconnected from the telephone lines until you learn
whether the source of trouble is your equipment or the tele-
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