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CHAPTER 1 ND-70684 (E)
Page 8
Revision 1.0
OVERVIEW
DSS/BLF
As an example, Figure 1-6 shows a DSS/BLF connected to Port 0 on an ELC card. In this instance, no terminal
can be wired to Port 1. The DSS/BLF mode can only use an even-numbered level.
Figure 1-6 Port Designation for DSS/BLF Mode
2n+1
2n
LV
7
6
5
4
3
2
1
0
ELC
00 0504030201
54 5958575655
48 5352515049
42 4746454443
36 4140393837
30 3534333231
24 2928272625
18 2322212019
12 1716151413
06 1110090807
No terminal can be wired to this port when a DSS/BLF is assigned to
Port 0.
DSS/BLF
• Only even-numbered level is applicable to the DSS/BLF mode.
• When a DSS/BLF is assigned to LV 0, the subsequent port, in this instance LV 1, must be retained for
programming the DSS keys on the DSS/BLF console.