Datasheet

3-19
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
Chapter 3 Electrical Cards
3.10 FMEC E1-120NP Card
Caution This interface can only be connected to SELV circuits. The interface is not intended for connection to
any Australian telecommunications network without the written consent of the network manager.
Figure 3-9 FMEC E1-120NP Faceplate and Block Diagram
You can install the FMEC E1-120NP card in any EFCA slot from Slot 18 to 22 or Slot 25 to 29 of the
ONS 15454 SDH. Each FMEC E1-120NP card port features E1-level inputs and outputs supporting
cable losses of up to 6 dB at 1024 kHz.
Use Table 3-10 to make the connection from the E-1 96-pin connector for Ports 1 to 21 to the external
balanced 120-ohm E-1 interfaces.
Inventory Data
(EEPROM)
134383
Port 1 to 21
Connector
Port 22 to 42
Connector
B
a
c
k
p
l
a
n
e
2 * 21
Pairs of
Trans-
formers
FMEC E1-120NP
CLEI CODE BARCODE
PORT
22-42
PORT
1-21
Table 3-10 E-1 Interface Pinouts on the FMEC E1-120NP Card Ports 1 to 21
Pin No.
Signal
Name Pin No.
Signal
Name Pin No.
Signal
Name Pin No.
Signal
Name
1 TX 11 N 25 RX 11 N 49 TX 21 N 73 RX 21 N
2 TX 11 P 26 RX 11 P 50 TX 21 P 74 RX 21 P
3 TX 10 N 27 RX 10 N 51 TX 20 N 75 RX 20 N
4 TX 10 P 28 RX 10 P 52 TX 20 P 76 RX 20 P
5 TX 9 N 29 RX 9 N 53 TX 19 N 77 RX 19 N
6 TX 9 P 30 RX 9 P 54 TX 19 P 78 RX 19 P
7 TX 8 N 31 RX 8 N 55 TX 18 N 79 RX 18 N
8 TX 8 P 32 RX 8 P 56 TX 18 P 80 RX 18 P
9 TX 7 N 33 RX 7 N 57 TX 17 N 81 RX 17 N
10 TX 7 P 34 RX 7 P 58 TX 17 P 82 RX 17 P
11 TX 6 N 35 RX 6 N 59 TX 16 N 83 RX 16 N
12 TX 6 P 36 RX 6 P 60 TX 16 P 84 RX 16 P
13 TX 5 N 37 RX 5 N 61 TX 15 N 85 RX 15 N
14 TX 5 P 38 RX 5 P 62 TX 15 P 86 RX 15 P