Cisco ONS 15454 SDH Specifications Page 148

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3-28
Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
FMEC-E1 Card
Safety: IEC 60950, EN 60950, UL 60950, CSA C22.2 No. 60950, TS 001, AS/NZS 3260
3.12 FMEC-E1 Card
The ONS 15454 SDH FMEC-E1 card provides front mount electrical connection for fourteen
ITU-compliant, G.703 E-1 ports. With FMEC-E1, each E1-N-14 port operates at 2.048 MBits/s (Mbps)
over a 75 unbalanced coaxial 1.0/2.3 Miniature Coax connector. Figure 3-16 shows the FMEC-E1
faceplate, and Figure 3-17 shows a block diagram of the card.
Figure 3-16 FMEC-E1 faceplate
You can install the FMEC-E1 card in any EFCA (Electrical Facility Connector Assembly) slot from Slot
18 to 22 or Slot 25 to 29 on the ONS 15454 SDH. Each FMEC-E1 card port features E1-level inputs and
outputs supporting cable losses of up to 6 dB at 1024 kHz.
Figure 3-17 FMEC-E1 block diagram
61319
FMEC
E1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Inventory Data
(EEPROM)
61327
14 Input
Coaxial
Connectors
14 Output
Coaxial
Connectors
B
a
c
k
p
l
a
n
e
14
Pairs of
Trans-
formers
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