Installation GRS1020/1120/1030/1130
Release 04 01/2020
31
1.4.3
Media modules
Media module variants
You have the option of choosing various media to connect to the end
devices and other network components:
Multimode F/O
Singlemode F/O
Twisted pair cable
The different interfaces of the media modules provide you with the
following functions:
Specific functions of the TP/TX interface
Auto Polarity Exchange
Autocrossing (device may be connected with a crossed-over or an
un-crossed cable)
Autonegotiation (selecting the operating mode: speed/duplex)
Link Control
Specific functions of the F/O interface
Link Down monitoring
Port
Port description
1 ... 16
16 × RJ45 socket for 10/100 Mbit/s Twisted pair connections
Table 13: Port assignment: Rear view GRS1120
Port
Port description
1 ... 4
4 ×
100/1000 Mbit/s uplink port
5 ... 12
8 ×
RJ45 socket for 10/100 Mbit/s Twisted pair connections
13 ... 20
8 ×
SFP slot for 100 Mbit/s F/O connections
Table 14: Port assignment: Rear view GRS1130
1 3 5 7
2 4 6 8
10
10 12
12 14
14 16
16
9 11
11 13
13 15
15
5
5 7
7 9
9 11
11
6
6 8
8 10
10 12
12 14
14 16
16 18
18 20
20
13
13 15
15 17
17 19
19
1
1
2
2
3
3
4
4
Summary of Contents for HIRSCHMANN GREYHOUND GRM Series
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