
1-20
Cisco ONS 15454 Installation and Operations Guide
November 2001
Chapter 1 Hardware Installation
EIA Installation
Figure 1-14 An SMB EIA backplane
The SMB EIA has 84 transmit and 84 receive connectors on each side of the ONS 15454 for a total of
168 SMB connectors (84 circuits).
The EIA side marked “A” hosts 84 SMB connectors in six columns of 14 connectors. The “A” side
columns are numbered 1 – 6 and correspond to Slots 1 – 6 on the shelf assembly. The EIA side marked
“B” hosts an additional 84 SMB connectors in six columns of 14 connectors. The “B” side columns are
numbered 12 – 17 and correspond to Slots 12 – 17 on the shelf assembly. The connector rows are
numbered 1 – 14 and correspond to the 14 ports on a DS-1 card.
For DS-3 or EC-1, the EIA supports 72 transmit and 72 receive connectors, for a total of 144 SMB
connectors (72 circuits). If you use a DS-3 or EC-1 card, only Ports 1 – 12 are active. If you use a
DS3XM-6 card, only Ports 1 – 6 are active. The SMB connector pairs are marked “Tx” and “Rx” to
identify transmit and receive cables for each port. If you use SMB connectors, you can install DS-1,
DS-3, or EC-1 cards in any multispeed slot.
1.6.4 AMP Champ EIA
The ONS 15454 AMP Champ EIA supports 64-pin (32 pair) AMP Champ connectors for each slot on
both sides of the shelf assembly where the EIA is installed. Cisco AMP Champ connectors are female
AMP # 552246-1 with AMP # 552562-2 bail locks. Each AMP Champ connector supports 14 DS-1 ports.
You can use AMP Champ EIAs with DS-1 cards only.
Figure 1-15
shows the ONS 15454 with
pre-installed AMP Champ EIAs and the corresponding sheet metal cover and screw locations for the
EIA.
To install AMP Champ connector DS-1 cables, see the
“AMP Champ Connector Installation” section on
page 1-41
.
For information about attaching ferrites to AMP Champ connectors, see the
“Ferrite Installation” section
on page 1-61
.
B
A
Reserved
for DS-1s
12x DS-3s
32101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
17
16
15
14
13
12
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
6
5
4
3
2
1
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
SMB backplane
connectors
Tie wrap posts