Atm and wan interface specifications – Atec Agilent-J2300E User Manual
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STM-1/OC-3 (155.520 Mb/s) J2912B
General
This optical interface comprises a plug-in module (J2912B) suitable for plugging
into the J2300C/D/E Agilent Advisor mainframe and J2900A High Speed
undercradle. The interface handles ATM and Packet over SONET/SDH (PoS).
Common to Inputs and Outputs:
Connectors: SC-PC
Framing:
SDH: STM-1
SONET: STS-3c
SONET/SDH Frame Scrambling (x
7
+ x
6
+ 1)
STM-1: ITU-T G.707
SONET: ANSI T1.105
ATM Cell Scrambling: conforms to ITU-T I.432.1 (x
43
+ 1) and may be turned on
or off;
PoS analysis configurations supported:
IETF PPP in HDLC: RFC 1662 and both current RFC 2615 (x
43
+ 1
scrambled SONET/SDH payload) and obsolete RFC 1619 (unscrambled
SONET/SDH payload) versions with version auto-detect based on POH
C2 byte value (default) and manual over-ride for scrambling enable/disable
Cisco HDLC over SONET/SDH
FCS-16 (default) and FCS-32
Inputs:
Two ports (single-mode/multi-mode compatible)
Sensitivity:
Typ. -32 dBm
Min. -28 dBm
Loss of Signal Detect Level:
-34 dBm
Real-time optical power measurement
(can also be used to measure at 622Mb/s):
+3 dBm to -42 dBm dynamic range
+/-0.5 dB absolute accuracy
Physical layer alarms and statistics (SDH / SONET):
Loss of Signal (LOS) (*)
Loss of Frame (LOF) (*)
B1, B2, B3 BIP errors
Summary BIP error (*)
MS-REI/REI-L (Line FEBE)
REI/REI-P (Path FEBE)
MS-RDI/RDI-L (Line FERF) (*)
MS-AIS/AIS-L (*)
RDI/RDI-P (Yellow)
AIS/AIS-P
Summary Far End (*)
Loss of Cell Delineation (LCD) (*)
ATM layer statistics:
Auto-discovery of up to 1024 VCs and collection of statistics on each
Average utilization in percent
Instantaneous utilization in percent
Maximum utilization in percent
Total cells received
Idle/unassigned cells received
Busy (assigned) cells received
Header (HEC) errors
ATM and WAN Interface
Specifications
(continued)