Atec Agilent-J2300E - Manual (Page 64)

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ISDN Primary Rate Interfacev (PRI) T1 (1.544 Mb/s) J4648A and J4649A
General
This interface comprises a choice of two plug-in modules (J4648A and J4649A)
suitable for plugging into the J2300C/D/E Agilent Advisor mainframe and the
J2900A High Speed undercradle. The J4648A has RJ-48C connectors and the
J4649A has RJ-45 connectors; both have mini-Bantams. The modules handle
ISDN, PPP, Async PPP, Multi-link PPP, and BERT.
Common to Inputs and Outputs:
Connectors:
J4648A: balanced 100 Ohm RJ-48C and WECO mini-Bantams
J4649A: balanced 100 Ohm RJ-45 and WECO mini-Bantams
Line Code:
B8ZS, AMI
Framing:
Extended Super Frame (ESF)
D4 (Super Frame) Ft and Fs, or Fs only
Fractional, any multiple of 56 kb/s or 64 kb/s channels
DS0A and DS0B subrates from a single 56 kb/s timeslot
Unframed 1.544 Mb/s
Inputs:
Two ports
Interface types (and input sensitivities):
DSX-1 (+6 dB to –10 dB ) and Network Interface (+6 dB to -36 dB )
Monitor modes:
Terminated (100 Ohm)
Bridged (High Impedance)
Monitor Jack
Physical Layer Alarms and Statistics:
Loss of Signal (LOS)
Loss of Frame (LOF)
Alarm Indication Signal (AIS)
Remote Alarm Indication (RAI)/Yellow
Bi-polar violations
Extended Super-Frame (ESF) CRC errors
Line code violation
Frame slips
Frame bit errors
One’s density violations
Excess zeros
Capture buffer size: 28 Mbyte
Capture buffer timestamp resolution: 100 ns
Capture rate: Full line rate
ATM and WAN Interface
Specifications
(continued)
Outputs:
Two ports, 100 Ohm balanced
RJ-11 handset jack (for WAN)
Interface types (and output levels):
DSX-1 (build-out selectable from 0 to 655 ft in 5 steps) and Network
Interface (selectable LBO levels, 0, -7.5 dB and -15.0 dB)
Electrical:
ITU-T G.703
Clocking:
Recovered (loop), Internal, and External (using other receiver input)
Internal clock rate accuracy:
+/- 32 ppm
Transmission of bit error ratio (BER) patterns in the physical layer
frame payload:
PRBS 2 15 - 1, PRBS 2 20 - 1, PRBS 2 23 – 1
Transmission of 64-byte BER User pattern in WAN