ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Electrical:
+ Loop limit: 2KΩ maximum at 48VDC (nominal 20 mA minimum loop current)
DC resistance:
+ Talk mode: 300Ω typical
+ Monitor impedance: 39kΩ nominal at 1 kHz
Rotary dial output:
+ Pulsing rate: 10pps+0.8pps
+ Percent break: 61%±2%
+ Interdigit interval: 1000 ms typical
+ Leakage during Break: >50 kΩ
DTMF output:
+ Tone frequency error: ±1.2% maximum
+ Tone level: -8±2dBm combined (typical)
+ High versus low tone difference: 4dB maximum
Memory dialing:
+ Memory capacity: 13 memories including M1, last number redialing
+ Digit capacity: 16 digits per memory
+ PBX pause duration: 4 seconds
+ Line voltage test: 5 Phase AC/DC voltage indication (<24V, 24~100V, 101~150V, 151~200V, more than 200V)
+ Monitor amplifier: 9V transistor; provides 25 hours continuous use, typical
+ Power source: Continuous use, typical
Automatic power shut off (Monitor type): After 5 min. of no audio signal
Battery (9V) 6F22 (Not included)
+ Speaker phone levels: Electronically adjustable
Physical:
+ Measurement: 230×82×89mm (9-1/16” × 3-15/64” × 3-1/2”)
+ Weight: 635g typical
+ Water resistance: Dust protection & Waterproof tested to an IEC/EN 60529 IP54 rating
+ Cord sets: Angled bed of nails and RJ11 plug
Environmental:
+ Temperature: Operating: 0~50°C
Storage: -10~60°C
+ Altitude: To 10,000 feet (3,000M) max
+ Relative humidity: 5~95%
