Pub. 42004-790B
SP2 Fiber Class I Div. 2 Handset/Speaker Amplifier Station
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Ethernet
Cable .....................................................................................................fiber optic cable (customer supplied)
Fiber optic transceiver ............................................................................. 100 Mbps SFP (customer supplied)
Supply voltage ................................................................................................................................... 3.3 V dc
Supply current .................................................................................................................................... 300 mA
Power dissipation ..................................................................................................................................... 1 W
Connection speed ............................................................................................................................ 100 Mbps
Maximum stations ................................................................................................................................... 4096
RTU
Output Control
Maximum load current:
Output 1A (unfused) ........................................................................................................................ 8.0 A
Output 1B (fused) ............................................................................................................................ 1.6 A
Maximum in-rush current ....................................................................................................................... 15 A
Maximum voltage ............................................................................................................................. 250 V ac
Input Control
Switch type................................................................................................................. NO or NC dry contacts
End-of-line termination .......................................................................................... 20 kΩ, or 15 kΩ + 5.1 kΩ
Cable resistance .......................................................................................... 100 Ω maximum loop resistance
Contact closure resistance ...................................................................................................... 1 kΩ maximum
Open fault detection ............................................................................................................................ >65 kΩ
Short fault detection ............................................................................................................................ <200 Ω
Audio
Handset
Microphone ............................................................................................................ dynamic, noise-canceling
Receiver ...................................................................................................... dynamic, hearing aid compatible
Cord ............................................................................................................. retractile, 6-foot extended, PVC
Material ................................................................................................................................................... ABS
Handset Amplifier
Frequency response ............................................................................ 250–3,000 Hz, +0/–3 dB ref. to 1 kHz
Distortion ..................................................................................................................... <1.5% THD @ 1 kHz
Receiver level............................................................................... 200 mV nominal, adjustable 100–350 mV
Headset Earpiece
Level .............................................................................................. 100 mV nominal, adjustable 50–200 mV
Speaker Amplifier
Maximum output:
8-ohm speaker ......................................................................... 30 W into 8-Ω load with −6 dBFs data signal
adjustable to 30 W; default: 4 W @ 8 Ω
16-ohm speaker ..................................................................... 15 W into 16-Ω load with −6 dBFs data signal
