Specifications
Benhur Corporation – Multidyne, International Sales
41
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
RINGING PARAMETERS
VRS Input Impedance (Note 3) 450 - - kΩ
Differential Ringing Gain (Note 4) Balanced Ringing, VRS to 2-Wire, RLOAD= ∞ 78 80 82 V/V
Unbalanced Ringing, VRS to 2-Wire, RLOAD= ∞ 40 V/V
Centering Voltage Accuracy Tip, Referenced to VBH/2 + 0.5 (Note 9) - ± 2.5 - V
Ring, Referenced to VBH/2 + 0.5 - ± 2.5 - V
Open Circuit Ringing Voltage Balanced Ringing, VRS Input = 0.840VRMS - 67 - VRMS
Unbalanced Ringing, VRS Input = 0.840VRMS 33.5 VRMS
Ringing Voltage Total Distortion RL= 1.3 kΩ, VT-R= |VBH| -5 - - 3.0 %
4-Wire to 2-Wire Ringing Off Isolation Active Mode, Referenced to VRS Input - 90 - dB
2-Wire to 4-Wire Transmit Isolation Ringing Mode Referenced to the Differential Ringing - 80 - dB
Amplitude
AC TRANSMISSION PARAMETERS
Receive Input Impedance (Note 3) 160 - - kΩ
Transmit Output Impedance (Note 3) --1 Ω
4-Wire Port Overload Level THD = 1% 3.1 3.5 - VPK
2-Wire Port Overload Level THD = 1% 3.1 3.5 - VPK
2-Wire Return Loss 300Hz - 24 - dB
1kHz - 40 - dB
3.4kHz - 21 - dB
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
2-Wire Longitudinal Balance (Notes 5, 6) Forward Active, Grade A and B 58 62 - dB
Forward Active, Grade C, D and E 53 59 - dB
4-Wire Longitudinal Balance (Notes 5, 6) Forward Active, Grade A and B 58 67 -1 dB
Forward Active, Grade C, D and E 53 64 - dB
2-Wire to 4-Wire Level Linearity 4-Wire to 2-Wire Level Linearity Referenced to - +3 to -40dBm, 1kHz - ±0.02 - dB
10dBm 5
-40 to -50dBm, 1kHz - ±0.05 - dB
0
-50 to -55dBm, 1kHz - ±0.10 - dB
0
Longitudinal Current Capability Per Wire (Note 3) Test for False Detect 20 - - mARMS
Test for False Detect, Low Power Standby 10 - - mARMS
-+0.2
4-Wire to 2-Wire Insertion Loss 0.00 dB
0.20 0
-
2-Wire to 4-Wire Insertion Loss -6.02 -5.82 dB
6.22
-
4-Wire to 4-Wire Insertion Loss -6.02 -5.82 dB
6.22
Forward Active Idle Channel Noise (Note 6) 2-Wire C-Message, T = 25°C - 10 13 dBrnC
4-Wire C-Message, T = 25°C - 4 7 dBrnC
Reverse Active Idle Channel Noise (Note 6) 2-Wire C-Message, T = 25°C - 11 14 dBrnC
4-Wire C-Message, T = 25°C - 5 8 dBrnC
DC PARAMETERS
Off Hook Loop Current Limit Programming Accuracy -8.5 - +8.5 %
Programming Range 15 - 45 mA
Off Hook Transient Current Limit Programming Accuracy -10 - +10 %
Programming Range 40 - 100 mA
Loop Current During Low Power Standby Forward Polarity Only 18 - 26 mA
Open Circuit Voltage (|Tip - Ring|) VBL= -16V - 8.0 - VDC
VBL= -24V 14 15.5 17 VDC
VBH> -60V 43 49 - VDC
Low Power Standby, Open Circuit Voltage (Tip - Ring) VBL= -48V - 44.5 - VDC
VBH> -60V 43 51.5 - VDC
Absolute Open Circuit Voltage VRG in LPS and FA; VTG in RA; VBH> -60V - -53 -56 VDC
TEST ACCESS FUNCTIONS
Switch On Voltage IOL= 45mA - 0.30 0.60 V
Loopback Max Battery --52 V
LOOP DETECTORS AND SUPERVISORY FUNCTIONS
Switch Hook Programming Range 5 - 15 mA
Switch Hook Programming Accuracy Assumes 1% External Programming Resistor -10 - +10 %
Dial Pulse Distortion -1.0 - %
Ring Trip Comparator Threshold 2.3 2.5 2.9 V
Ring Trip Programming Current Accuracy -10 - +10 %
Ground Key Threshold - 12 - mA
E0 Transition, DET Output Delay - 20 - µs
Thermal Alarm Output IC Junction Temperature - 175 - °C
<15 Watts, per
Power dissipation
unit
AC operation 85 to 265 VAC
Operating temperature
0 to +50 °C
Specifications subject to change without notice.
Fiber Optics, Broadcast Multiplexers, 8 Two-wire Telephone Line Transceiver, Modular, Singlemode: (SIN 58-6)
DTM-2200-FMX-3/5 Digital, Telephone Fiber Optic Transceiver, 1310/1550nm, Singlemode, 8 two-wire Telephone Lines
DTM-2200-FMX-5/3 Digital, Telephone Fiber Optic Transceiver, 1550/1310nm, Singlemode, 8 two-wire Telephone Lines
Modular Utility Trays and Power Supplies & Accessories (SIN 58-6)
UTIL-200-DVM-2RU-AC Analog, Digital and Fiber, up to 10 Slots, 2RU, Modular Utility Tray, with one 85-265 VAC Power Supply & Line Cord. Supports the
DVM-2200 & DTV-220/230 SDI cards.
PS-200-DVM-AC Modular 85-265 VAC Power Supply & Line Cord for 200 series trays
UTIL-200-DVM-2RU-48VDC Analog, Digital and Fiber, up to 10 Slots, 2 RU, Modular Utility Tray, with one 36-60 VDC Power Supply. Supports the DVM-2200 &
DTV-220/230 SDI cards. (Delivery 10 Weeks)
PS-200-DVM-48VDC Modular 36-60 VDC Power Supply for 200 series trays (Delivery 10 Weeks)
-DTMPOT22 Phone screw terminal break-out adapter for DTM2200
DTM-2200
Fiber Transport: 12 Bit Video, Broadcast