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 2 assigned to extension 22
5. Dialing ...................................... Outward
Dial Pulse
10 PPS, 20 PPS
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 20 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 ............................ 80 – 1000 msec, 80 – 150 msec