User's Manual

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DESCRIPTION 10 ( 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
• Sector 3A to position J3
• Sector 3B to position H3
1.5.4 Transmission Interface
The transmission connection interfaces are located in the CF on the cabinet
top. The female connector is located in the CF.
The following two types of transmission are supported by the RBS 3202:
• ET-M1
• ET-M4
ET-M1
figure 10 shows the ET-M1 transmission interface for the RBS 3202.
Figure 10 ET-M1 Transmission Interface
Each ET-M1 board (located in the CF, positions T02 and T02) is equipped with
eight 8–pin, non-keyed, female, RJ-45 connectors (shown in figure 10). Each
connector has one port. Three types of transmission standards and cable
characteristics for the ET-M1 are shown in table 5.
Table 5 Transmission Connection Interface Standards
Tran-
mission
Standard
Trans-
mission
Capacity
Physical
Layer
Interface
Specifi-
cation
Cable
Imped-
ance
Cable
Type
Number
of Ports
J1 1.5 Mbps G.703 110 ohm Balanced
lines
32
E1 2.0 Mbps G.703 120 ohm Balanced
lines
32
E1 2.0 Mbps G.703 75 ohm Unbal-
anced
lines
8
figure 11 shows the ET-M1 transmission interface with the transmission adapter
installed for the RBS 3202.
Figure 11 ET-M1 Transmission Interface with Transmission Adapter Installed