3Com 3CB9LF20R Installation Guide - Page 4
BASE GBIC module, GBIC port, Duplex SC connector, GEN Interface, module, Duplex SC
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4 70-km Gigabit Ethernet GBIC Transceiver Installation Guide Figure 2 Inserting the 70-km GBIC Transceiver in a CoreBuilder 3500 INS C MODEM TERMINAL ETHERNET 10BT 1000 BASE (GBIC) 3C35330 PWR INS L E ERR T 1000BASE GBIC module GBIC port Duplex SC connector Figure 3 Inserting the 70-km GBIC Transceiver in a CoreBuilder 9000 R 7 6 5 GEN Interface module MOD STAT 1 2 3 4 RX 1 TX MOD SSTTAATT PRRII SECC 1 2 3 4 5 6 7 8 9 100 11 122 133 144 155 166 17 188 199 200 211 222 233 244 RX 2 TX R 9 8 GBIC port Duplex SC connector
![](/manual_guide/products/3com-3cb9lf20r-installation-guide-9f3a0d6/4.png)
4
70-km Gigabit Ethernet GBIC Transceiver Installation Guide
Figure 2
Inserting the 70-km GBIC Transceiver in a CoreBuilder 3500
Figure 3
Inserting the 70-km GBIC Transceiver in a CoreBuilder 9000
C
1000 BASE (GBIC)
3C35330
PWR
INS
ERR
L
E
T
INS
MODEM
TERMINAL
ETHERNET
10BT
1000BASE GBIC module
GBIC port
Duplex SC connector
MOD
STAT
1
2
2
3
4
1
RX
TX
RX
TX
R
PRI
MOD STAT
SEC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PRI
MOD STAT
SEC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PRI
MOD STAT
SEC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
5
6
7
8
9
GEN Interface
module
GBIC port
Duplex SC
connector