NEC SL2100 Hardware Manual page 87

ISSUE 4.0
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3.4.3 Cabling IP7WW-008U-C1
The 008U-C1 board within each Chassis provides four RJ61 modular jacks for Analog extension (8
ports).
Before plugging in the Single Line Telephone, ensure all Main and Expansion
Chassis are powered off.
DSX Terminal does not work properly when it connected.
Figure 2-67 Analog Extension Cabling of 008U-C1
INSTALLING THE EXPANSION INTERFACE BOARDS
Table 2-14 RJ-61 Analog Pin-Outs (J4 (SLI))
Pin No.
1
2
3
4
5
6
7
8
008U-C1
1-2
Trunks
T: Tip
R: Ring
Modular Cable
(2-wire, Straight)
Pin Function (SLI: 1-2)
-
-
SLI 2 (Tip)
SLI 1 (Ring)
SLI 1 (Tip)
SLI 2 (Ring)
-
-
HYB/SLI
3-4 5-6 7-8
HYB/SLI 1 - 8
T R
5 6
SLT
SL2100
85