n Line Rate: 51.84 Mbps

n Line Code: B3ZS

n Line Interface: Dual 75 Ohm BNC female connectors

n Line Build Out: 0-255 ft and 255-450 ft

n Framing: STS-1

n Payload Mapping: VT1.5 and VT2

DSX-1 INTERFACES

n Line Build Out: 0 – 655 feet

n Line Rate: 1.544 Mbps

n Line Code: AMI or B8ZS

n Line Interface: Dual 64 pin AMP

n Transparent to DS1 framing format

CLOCKING

n Loop – receive from STS-1 interface

n Free Running – internally generated

n External – recovered from any DS1

n Hold-over timing – upon failure of selected clock souces

DIAGNOSTICS

STS-1 Network

n Line Loopbacks

n Network Loopbacks

DSX Ports

n Local and network loopbacks

n Responds to CSU Loopback from STS-1

n Responds to NIU Loobacks from STS-1

n Generation of CSU Loopback toward user

n BERT pattern generation towards customer and network

PERFORMANCE MONITORING

Current 15 minute, 24 hour (96 15 minute

intervals), total for 24 hours and cumulative

Local Network Port Statistics

n Line coding violations

n Unavailable seconds

n Severely errored framing seconds

n Line errored seconds

DSX Ports

n BPV

n LOS

MANAGEMENT

VT-100 Terminal Interface

n RJ48 with female DB-9 adapter provided

n EIA-232

SNMP/Telnet

n Integrated 10BaseT Ethernet

n MIBII, RFC1213, 1406, and 1595 compliant

n ADTRAN Enterprise MIB for extended monitoring and control

ALARMS

n External alarm contacts for critical and non-critical alarms

n Normally open and normally closed pinouts

n Front panel and software controlled alarm cuttoff (ACO)

AGENCY APPROVALS

n Emissions: Part 15 Class A

n Bellcore: NEBS Level 3

n Safety: UL 1950, CUL

ENVIRONMENT

n Operating: 0° to 50° C (32° to 122° F)

n Storage: -20° to 70° C (-4° to 158° F)

n Relative Humidity: Up to 95%, non-condensing

PHYSICAL

n Dimensions: 1.7" H x 17" W x 7.86" D

n Weight: 5.5 lbs

n Power: 115 Vac or –48 Vdc, 30 Watts

PRODUCT INCLUDES

n MX2800 STS-1

n 19"/23" mounting ears

n Users manual

n 8 pin to 8 pin modular cable

n Modular to DB-9 adapter

Ordering Information

EQUIPMENT PART #

MX2800 STS-1 DC Redundant............4200659L8

MX2800 STS-1 DC Redundant

with Fan ................................................4200659L18

MX2800 STS-1 AC Redundant............4200659L6

Optional Battery Backup .....................4175043L2

Specifications subject to change without notice.