AT&T Synapse User Manual page 318

Table 20. Technical Specifications (Continued)
Feature
Power Requirements
RJ–45 Ethernet
Network Jack
PSTN Gateway
Telephone Jacks
Gateway BYPASS
[ATA] FXS
[ATA] AUX In
Appendixes
Synapse User's Guide
Specification
ATA: 12V @ 18 Watts
Cordless Handset: 2.4V 550mA Ni–MH battery
Cordless Handset, Cordless Headset charger: 6V DC @ 200mA
Cordless Headset: 3.7V 240mAH battery
Deskset: 5.1V DC @ 1700mA
Gateway: 5.1V DC @ 1700mA
(10Base–T/100Base–Tx) with auto MDI/MDIX switching
1–4 and BYPASS (FXO ports) use traditional 2–conductor wiring
26mA loop current; REN 5; 100m max loop length
26mA loop current; REN 5; 100m max loop length
3.5 mm Tip (Signal), Ring (NC) Sleeve (Ground) (TRS) jack
Frequency range 300 to 3.4K Hz
Input level -15dBm nominal
Impedance greater than or equal to 10K ohms input
AC coupling
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