Atec Agilent-J2300E - Manual (Page 76)

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DS3 (44.736 Mb/s) J3759B
General
This interface comprises a plug-in module (J3759B) suitable for plugging into
the J2300C/D/E Advisor mainframe and the J2900A High Speed undercradle.
The J3759B supports both ATM and frame-based technologies Frame Relay
(CIR & SLA), HDLC, PPP in addition to BERT. This module can also be
configured for use as an E3 (34.368 Mb/s) interface; see above for details.
Common to Inputs and Outputs:
Connectors: 75 Ohm BNC female
Electrical: ITU-T G.703
Line Code: B3ZS
Framing:
Frame Relay: C-bit and M13 (auto-select on input side)
ATM: C-bit framing
Cell Mapping:
Direct (normal mode, ITU-T G.804)
PLCP (obsolescent mode, ITU-T G.804)
Cell Scrambling:
conforms to ITU-T I.432.1 (x 43 + 1) and may be turned on or off
Inputs:
Two ports,
Levels:
Auto gain control for high, DSX-3, low, and monitor jack
(min. = DSX -23 dB); all unbalanced 1.2 V peak to 26 mV,
34 dB dynamic range
Received pulse amplitude measurement (mVpeak) (WAN only)
Monitor modes:
Terminated/Repeater (75 Ohm)
Bridged (high impedance)
Physical Layer Alarms and Statistics:
Loss of Signal (LOS)
Loss of Frame (LOF)
Alarm Indication Signal (AIS)
Remote/yellow X-bit
Line code violations
Far End Block Error (FEBE)
Idle
P1/P2 parity errors
C-bit parity errors
Far End Alarm and Control (FEAC):
DS3 Line
LOS/HBER
Out of Frame (OOF)
AIS received
Idle signal received
Service failure
No service failure
Common equipment failure
Line loopback activate
Line loopback de-activate
PLCP sync loss
PLCP yellow (Path FERF)
PLCP BIP
PLCP FEBE
Loss of Cell Delineation (LCD)
ATM and WAN Interface
Specifications
(continued)