Loop Telecom Loop-O9500R - Page 19

Loop-O9500 SDH/SONET IMAP
SDH/SONET-MSTP
19
-Continuous Ring Type: 1 sec on 2 sec off, or 2 sec on 4 sec off
Ringing Send Across
L1 and L2 (Tip and Ring), L1 and GND (Tip and GND)
Signaling
Magneto MRD(Ringing across Tip and Ring or Tip and Ground)
Signaling Bit A,B,C,D
Programable
Signaling is carried transparently by the digitizing process.
Use Magneto card default setting for communications between magneto telephones
Use Magneto card PLAR mode setting for communications between a magneto telephone and a regular telephone
Voice Card- E&M
Connector
Eight RJ45
Alarm Conditioning
CGA busy after 2.5 seconds of LOS, LOF
Encoding
A-law or -law, user selectable together for all
Impedance
Balanced 600 or 900 ohms
Longitudinal Conversion Loss
> 46dB
Longitudinal Balance
> 63dB
Gain Adjustment (Per-port setting)
-10 to +7 dB / 0.1dB step for transmit (D/A) gain
-10 to +14 dB / 0.1dB step for receive (A/D) gain
I/O voice power range
A/D digital input level: -66 dBm (0.00039 Vrms) ~ + 3 dBm (1.09 Vrms)
D/A analog output level: -66 dBm (0.00039 Vrms) ~ + 7 dBm (1.74 Vrms)
Signal/Distortion
> 25dB with 1004 Hz, 0dBm input
Frequency Response
- 0.25 to -1 dB from 300 to 3400 Hz
Carrier connection
Side A ( exchange side) and Side B (carrier side) setup by side switch
Idle Channel Noise
Max. –65 dBm0p
wire mode
2 wire and 4 wire (programmable)
Signaling
Type 1, Type 2, Type 3, Type 4, and Type 5, Transmit only (programmable)
Modems
Full compatibility with V.90 modems
All in-band signaling tones are carried transparently by the digitizing process.
Customer is responsible for in-band signaling compatibility between a telephone and a switch, or between a PBX and a
switch.
Voice Card (12FXS, 12FXO, 24FXS, 24FXO)
12 FXS/FXO Connector
Twelve RJ11
24 FXS/FXO Connector
One RJ21X femail connector
Alarm Conditioning
CGA busy after 2.5 seconds of LOS, LOF
Encoding
A-law or -law, user selectable together for all
AC Impedance
Balanced 600 or 900 ohms (selectable together for all)
Longitudinal Conversion
Loss
> 46dB
Cross talk measure
Max -70dBm0
Gain Adjustment
FXS: -21 to +3 dB / 0.1dB step transmit & receive
FXO: -21 to +10 dB / 0.1dB step transmit & receive
Signal/ Distortion
> 25dB with 1004 Hz, 0dBm input
Frequency Response
- 0.25 to -1 dB from 300 to 3400 Hz, coincide with ITU-T G.712
Idle Channel Noise
Max. –65 dBm0p
Variation of Gain
±0.5dB
FXO
Ringing REN
0.5B (AC)
Detectable Ringing
25 Vrms
Loop Resistance
 1800 
DC Impedance (ON-HOOK)
> 1M 
DC Impedance (OFF-HOOK)
235  @ 25mA feed
90  @ 100mA feed
FXS Loop Feed
-48Vdc with 25mA current limit per port
Jumper Selectable: 25mA(default=25mA), 30mA, or 35mA(sn=S1)
FXS Signalling
Normal / PLAR: Private Line Auto Ring down
FXS Ringing
1 REN at 5K meters per port
16.7Hz, 20Hz, 25Hz, 50Hz, user selectable for all ports
Jumper selectable: 64, 76, and 85 Vrms (triangle wave), (default= 76 Vrms for Ring Voltage)
2 sec on 4 sec off, or 1 sec on 2 sec off optional for PLAR ON
FXS Tone
Alarm Tone: 480Hz/620Hz/-24dBm
Ring Back Tone: 440Hz/480Hz/-19dBm
FXS functions
Basic functions: Bettary Reverse, Loop Star, PLAR
Optional functions: PLAR ON/PLAR bit programmable, Ground Start, and/or Meter Pulse.
Signaling Bit A,B,C,D
Programable bit
 All in-band signaling tones are carried transparently by the digitizing process.
 Customer is responsible for in-band signaling compatibility between a telephone and a switch, or between a PBX and a
switch.