7.0
Knowing The Specifications
DXP Capacity
10 T1 boards
Modes
Superframe, extended superframe
Framing
D4
Channels Allocated
8, 16, or 24
Industry Standards
ANSI T1.403-1989
AT&T PUB 62411
Maximum Output
2.4V to 3.6V base to peak, short circuit
protection to 120 mA, rms
Line Rate
1.544 Mbps
Line Code
Type
Bipolar AMI
Zero Suppression
B7 or B8ZS selectable
Receive Sensitivity
-26 dB or -36 dB selectable
Impedance
100 Ohms
DXP Loss Insertion
Transmit
-6 dB (selectable to 0 and -3 dB per channel)
Receive
0 dB
T1 Connector
RJ48C, miniature 8-position, shielded
(per ANSI T1-403, 1989)
T1 Cable
Up to 6,000 feet between DXPs, 22 AWG,
twisted-pair, no external components
CSU Function
Built-in; CPE or CARRIER selectable (ESF)
Transmit Attenuation
Manual
0, -7.5, -15, or -22.5 dB selectable
Automatic
Default
Input Jitter Tolerance
138 UI @ 1 Hz; 0.4 UI @ 10 KHz—100 KHz
(0 dB line); corner frequency = 6 Hz (attenuates
20 dB per decade above corner)
Surge Protection
1 AMP fuse and transient protection for metallic
>6 volts P-P; Longitudinal (tip—ring and chassis
ground) protection 1500 volts minimum.
Elastic Store
Two frames, no frame loss when slipping
Compliance
FCC Part 68/Doc
FCC Part 15
UL-1489/CSA (safety):
Yellow Alarm Type
Superframe Mode
Bit 2 zero in all channels or Japanese 12th
frame method, selectable
Extended Superframe Mode
Alternating bytes = all zeros and all ones;
(prohibiting ANSI FDL messaging during
yellow alarms is selectable)
Signaling
Signaling Protocols
Loop Start (subscriber end)
Ground Start (subscriber end)
E & M
Direct Inward Dial (DID)
Dialing
DTMF or Dial Pulse
Protocol Type (DID, E&M)
Wink, Delay-Dial, and Immediate Start
(dial pulse only for immediate start)
DID Type Restriction
Limited to four of five types when mixing
tone/dial pulse/wink/delay dial/immediate
start)
Clocking
Synchronization
Slave mode from DXOPT-SYN card on
Auxiliary board
Min. RX Freq. Capture
1.544 MHz
±
200 Hz, T1 board;
16.384 MHz
±
2048 Hz, Sync card
TX Master Mode Freq.
1.544 MHz
±
75 Hz
Loopback Modes
Superframe Mode
Local or remote loopback, manual
Network loopback inband command;
set 00001 5sec, reset 001 5 sec.
Extended Superframe Mode
Local, remote, payload loopback (manual)
FDL ANSI network remote loopback
FDL ANSI network payload loopback
LED Alarms/Errors
Status
Red Alarm
Yellow Alarm
Blue Alarm
Loss of receive synchronization
Loss of signal
Bipolar error(s)
CRC errors (ESF)
Slip errors
Phase Lock error
Facilities Interface Code (FIC)
04DU9–1SN
IMI89–193
Installing The DXPT1 Line Board
32 – Installing The DXPT1 Line Board
Содержание DXP Plus Series
Страница 1: ...Digital Communications System R ...
Страница 363: ...Automatic Call Distributor Technical Manual R QuickQ DXP ...
Страница 424: ...Automatic Call Distributor System Manager s Guide R QuickQ DXP ...
Страница 500: ...Wrap up Time 1 6 Wrapping Up A Call 4 3 Z Zoom Box A 2 GCA70 271 Index I 3 ...
Страница 628: ...Interconnecting The VMI X Installing And Programming For ExecuMail IMI89 206 Installing And Programming For ExecuMail 5 ...
Страница 677: ...Connecting The Equipment Installing And Programming The OPX X IMI89 209 Installing The OPX X 7 ...
Страница 728: ...DP I I I I and FX Series Digital Communications Systems Understanding The Visual Man Machine Interface COMDlA ...
Страница 1112: ...9 08 8 90 1 13 4 78 3 94 UNIS029 TAB003 PLS page 6 GCA40 130 DXP Plus General Description 11B Telephone Features ...