ADTRAN L128T user manual Chapter Specifications, Specifications And Features, Network Interface

Chapter 5

Specifications

SPECIFICATIONS AND FEATURES

This section describes the standard specifications and features incorporated in the Express L128/L128T.

Network Interface

RJ-45 for ISDN Basic Rate U-Interface or RJ-45 for leased 2B1Q service.

Ethernet Interface (LAN)

Ethernet/IEEE 802.3 10BaseT.

Switch Compatibility

•LUCENT 5ESS

•NTI DMS-100

•National ISDN-1

Dual POTS Interface

•Maximum REN = 3

•Caller ID

•Ringing Signal Amplitude = 185 Vp-p (+/- 5V)

•Ringing Signal Frequency = 20 Hz (+/- 3 Hz)

•Supports 3 phones

(18 mA loop current each) at 1,000 ft, 24 AWG

•Supports 2 phones

(26 mA loop current each) at 1,000 ft, 24 AWG

•Supports 1 phone

(49 mA loop current each) at 1,000 ft, 24 AWG

•Supports 4 phones

(14 mA loop current each) at 600 ft, 24 AWG

•Supports 3 phones

(18 mA loop current each) at 600 ft, 24 AWG

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