User's Manual

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DESCRIPTION 11 ( 12 )
EIN/R/I Maude Andersson 1/1553-COH 109 334/1 Uen
ERA/RGG/THC 2002-05-31 B
Prepared (also subject responsible if other) No
Approved Checked Date Rev Reference
E
The RBS 3202 can be delivered with two transmission adapters. Use the 75
ohm incoming transmission cable. The 75 ohm signal will be converted to 120
ohm in the transmission adapter, and then continue to ET-M1.
ET-M4
figure 12 shows the ET-M4 transmission connection interface for the RBS 3202.
Figure 12 ET-M4 Transmission Connection Interface
The connection for each ET-M4 board (located in the CF, positions T09 and
T11) is equipped with two pairs of female SC connectors. A detailed view of the
ET-M4 interface is shown in figure 12. The transmission standard and cable
characteristics for the ET-M4 are shown in table 6.
Table 6 Transmission Standard and Cable Characteristics, ETB-M4
Trans-
mission
Name
Transmission
Capacity
Standards
Cable
Type
Number of
Ports
STM-1 155 Mbit/s ANSI
T1.105–1995,
ITU 1.432.2
G.703
ITU G.957
Optical
fiber
6 ET-M4
boards
1.5.5 SiteLAN Interface
figure 13 shows the SiteLAN interface for the RBS 3202.
Figure 13 Local O&M Interface
The connector for local O&M is an 8-pin, non-keyed, female, RJ-45 connector
located in the CF in position T17A (shown in figure 13). Ethernet and serial
cables can be connected to the O&M interface The connector in position T17A
is provided for redundancy.
1.5.6 AU-Hub Interface
figure 14 shows the AU-Hub interface for the RBS 3202.