User's Manual Part 1

ROI-S05748 SYSTEM CONFIGURATION AND CHARACTERISTICS
2-19
2.2.8 IDU (Indoor Unit) and System performance
Table 2-5 System Performance for IDU
No.
Item
Specification
SONET LAN
1 IDU type 1+0 Expandable/1+1
2 Modulation Type 128QAM 32/128QAM
3 Baseband Interface 155.52 Mbps
±20 ppm 10/100 Base-T(X)
1000 Base-SX
1000 Base-T
75 ohm/S-1.1/L-1.1
IEC 169-29 (1.0/2.3) RJ-45 (10/100/1000 Base-T(X))
LC (1000 Base-SX)
Channel Number 1/2* 1/2
Total Capacity 155 Mbps 100+50,
75+75 Mbps
4 Service Channels V.11 (Contra/Co-directional) × 2 channels, RS-232C × 2 channels
5 EOW IDU-IDU
6 External alarm &
Ho
use keeping
See table below
7 Security level by LCT 2 levels
8 Control &Setting by
LC
T/PNMT
Serial Interface (USB connector)
Loop Back a) Far End Baseband Loop Back
b) Near End Baseband Loop Back
c) IF Loop back
BER Alarm Adjustable 10
-
3
/ 10
-
4
/ 10
-
5
(High BER) 10
-
6
/ 10
-
7
/ 10
-
8
/ 10
-
9
(Low BER)
Frequency setting Direct entry or Table Download entry: Available when using PNMx (optional)
TX output Control Manual control, Automatic control, Mute control
9 Performance
m
onitoring (PMON)
/Metering
PMON Items;
a) OFS, b) BBE, c) ES, d) SES, e) UAS
Metering Items
a) Output power level (TX PWR), b)
Received signal level (AGC V) c) Bit error rate (BER MON)
LAN monitoring Items;
a) RX Unicast, b) RX Broadcast, c) RX Mult
icast, d) RX Pause, e) RX CRC error
10 LED Display CTRL IDU Alarm (Red)
Maintenance (Amber)
Memory Access (Amber)
MODEM Operating PWR (Green)
ODU Alarm (Red)
MD/CBL Alarm (Red)
TX status (Green)
RX status (Green)
XPIC Reset (Amber)*
SONET INTFC Module alarm (Red)
Online (Green)**
LAN INTFC Module alarm (Red)
* This value is available with 2 IDUs per 1 RF CH with
XPIC system.
** This indicates the online stat
us which is selected from
Working/Standby in APS system or Working in w/o APS
system.