1.4 Specifications
1.4.2Characteristics
Terminal Equipment Loop Limit • PT: 
; all other DPTs/APTs: 40
•SLT: 600 
including set
•Doorphone: 20 
•CS: 65 
Minimum Leakage Resistance | 15 000 | maximum |
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Maximum Number of Extension | 1 for PT or SLT | |
Instruments per Line | 2 by Parallel or eXtra Device Port connection of a PT and an SLT | |
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Ring Voltage | 75 Vrms at 20 Hz/25 Hz depending on the Ringing Load | |
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Trunk Loop Limit | 1600 | maximum |
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Hookswitch Flash/Recall | 24 ms to 2032 ms | |
Timing Range |
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BRI Cards Internal ISDN Mode | Supply Voltage: 40 V | |
| Power Supply: 4.5 W per 1 line, 5 W per 2 lines (Under consideration) | |
| Power Supply Method: Phantom Power Supply | |
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Door Opener Current Limit | 24 V DC/30 V AC, 1 A maximum | |
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Paging Terminal Impedance | 600 |
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MOH (Music on Hold) Terminal | 10 000 |
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Impedance |
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Installation Manual
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