ADTRAN DE-4E specifications FT1 DP Product Specifications

Page 15

 

Table 8. FT1 DP Product Specifications

 

 

Loop Interface

 

Modulation Type

2B1Q

Mode

Full Duplex, Echo Cancelling

Number of Pairs

One

Bit Rate

784 kbps

Baud Rate

392K baud

Service Range

Defined by Carrier Service Area Guidelines

Loop Loss

36 dB maximum @ 200 kHz

Bridged Taps

Single taps < 2 kft, total taps < 2.5 kft

Performance

Compliant with Bellcore TA-NWT-001210

Return Loss

20 dB (40 kHz to 200 kHz)

DSL Tx Signal Level

13.5 dBm

Input Impedance

135Ω

Return Loss

20 dB (40 kHz to 200 kHz)

DS1 Facility Interface

Fully compatible with Nortel DE-4E shelf

Power

Tested with the ADTRAN FT1 Repeater (P/N 1245211L1) and the ADTRAN FNID (P/N 1245201L1)

Total Power

-48 VDC @ 125 mA with FNID

 

-48 VDC @ 215 mA with FNID and FT1 Repeater

 

-48 VDC @ 300 mA with Local Power FNID and two FT1 Repeaters

FT1 DP Power Dissipation

3.7 watts with FNID

 

5.2 watts with FNID and FT1 Repeater

 

6.1 watts with Local Power FNID and two FT1 Repeaters

Span Power

137 V or -190 VDC (nominal)

 

Fusing 1.00 A (not field-replaceable)

 

 

Clock Sources

 

Clock Sources

Internal, DS1 Derived

Internal Clock Accuracy

± 25 ppm, (exceeds Stratum 4). Meets T1.101 timing requirements.

 

 

Tests

 

Diagnostics

Self-Test, Local Loopback (FT1 DP), Remote Loopback (FNID)

 

 

Mechanical

 

Dimensions

6.2" High, 1.1" Wide, 10.2" Deep, 16 ounces, nominal

 

Plugs into Nortel DE-4E (or equivalent) shelf

 

 

Environment

Operating (Standard): -40° to +70° C; Storage: -40° to +85° C

Temperature

Relative Humidity

Up to 95%, non-condensing

 

 

Part Number

1245207L2

61245207L2-5C

Section 61245207L2-5, Issue 2

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Contents Description L2-5C Issue 3, July Clei Code # D4D31R8DGeneral Revision HistoryProtected Loopback InstallationProtected Loopback Mode Requirement Time Slot AllocationSW1 Option Settings Signaling Disabled Faceplate Indicators Indicators DescriptionFT1 DP Option Selections FT1 DP Bantam Jacks DSL System TestingConnections Bantam Jack DescriptionControl Port Operation OperationAbbreviation Definition Introductory Menu Screen Current System Status Screen Performance History Screen Self-Test Options Screen Troubleshooting Screen Loop Insertion Loss Data DSL Deployment GuidelinesWarranty and Customer Service MaintenanceTroubleshooting Procedures Product SpecificationsFT1 DP Product Specifications L2-5, Issue 61245207L2-5C Appendix a FT1 Loopbacks Figure A-4. FT1 Repeater # 1 or 2 Network Loopback Loopback ACTIVATION/DEACTIVATION