Chapter 5
Specifications
SPECIFICATIONS AND FEATURES
This section describes the standard specifications and features incorporated in the Express XL/XLT.
Network Interface
Ethernet Interface (LAN)
Ethernet/IEEE 802.3 10BaseT.
Switch Compatibility
•AT&T 5ESS
•NTI
•National
POTS Interface
•Maximum REN = 4
•Caller ID
•Ringing Signal Amplitude = 185
•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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