5
Specifications
General Descriptions
1. Capacity .................................... CO line 2
Extension 6
2. Control Method......................... Stored Program CPU: 8 bits CPU
Control ROM: 64 KB, Control RAM: 8 KB
3. Switching Method..................... Space Division CMOS Crosspoint Switch
4. Power Supplies ......................... Primary AC 110–240 V, 50/60 Hz
Secondary Circuit Volt: +5V, +15 V, +30 V
Power Failure CO 1 assigned to extension 21
CO 2 assigned to extension 22
5. Dialing ...................................... Outward Dial Pulse 10 PP
Tone Dial
Internal Dial Pulse 10 PPS, 20 PPS
Tone Dial
Mode Conversion DP-DTMF, DTMF-DP
6. Connector.................................. CO 4-pin connector
Extension 4-pin connector
Doorphone 4-pin connector
7. EXT Connection ....................... Cable 1 pair wire (single line telephone)
2 pair wire (proprietary telephone)
8. Intercom paths........................... 2 (including the doorphone path)
Characteristics
1. Station Loop Limit.................... Proprietary telephone 40 ohms
Single line telephone 600 ohms including set
Doorphone 20 ohms
2. Minimum Leak Resistance ....... 15000 ohms
3. Maximum Number of Station
Instruments per line .................. 1 (proprietary telephone) or 3 (single line telephone)
4. Ring Voltage.............................. 90 Vrms at 25 Hz depends on Ringing Load
5. Primary Power .......................... AC 110–240 V, 50/60 Hz, 0.5 A maximum
6. Central Office Loop Limit ........ 1600 ohms maximum
7. Environmental Requirements ... 0–40˚C, 10%–90% (Humidity)
8. Hookswitch Flash
Timing Range............................ 50-130 msec
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