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12 Issue 2, December 2004 61180403L1-5B
Table 8. Specifications
Performance
Loop Current:
Transmit TLP:
Receive TLP:
Terminating Impedance:
Return Loss:
TransHybrid Loss:
Longitudinal Balance:
Frequency Response:
Idle Channel Noise:
PCM Encoding/Decoding:
DC Supervisory Range:
23 mAmp nominal
20 mAmp minimum
–7.0 to +9.0 dBm
–9.0 to 0.0 dBm
900 ohms +2.16 µF
600 ohms +2.16 µF
ERL ≥ 28 dB
SRL ≥ 20 dB
ERL ≥ 34 dB
SRL ≥ 20 dB
≥ 58 dB @ 200 to 1000 Hz
≥ 53 dB @ 3000 Hz
±0.25 dB @ 300-3000 Hz
≤ 20 dBrnCO
µ-law
1250 ohms
Power
Current Draw: 0.034 amps maximum @ –48 VDC
Physical
Dimensions:
Weight:
Height: 3.125 inches
Width: 0.62 inches
Depth: 10.1 inches
< 0.5 pound
Environment
Operating Temperature:
Storage Temperature:
Relative Humidity:
Maximum Heat Dissipation:
–40°C to 65°C
–40°C to 85°C
95 percent maximum @ 50°C, noncondensing
1.389 watts maximum
Compliance
Regulatory Agency Requirements: UL 60950
NEBS Level 3
FCC 47CFR Part 15, Class A
Part Number
Total Access 1500 Foreign Exchange Station/Dial
Pulse Originate Access Module:
1180403L1