NEC SL2100 Hardware Manual page 85

ISSUE 4.0
082U/008U/000U
Figure 2-65 How to recognize the type of Trunk Daughter Board
3.4 Extension/Trunk Cabling
3.4.1 General
The system provides RJ61 modular jack for analog trunk and extension connections. PRI connections
for RJ45 modular jack.
Precautions for Cabling
• Do not wire the cable with an AC cable, computer, etc.
• Do not run the cable near the high frequency generating device.
• Use cable protectors in case the cables run on the floor.
• Aerial distribution wiring is not allowed.
• Trunks must be installed with lightning protectors.
• Do not install the DSX Terminal in the SL2100 system, it does not work properly.
• Do not connect the Ethernet (10Base-T/100Base-T( )/1000Base-T( )) port (RJ45) to a telephone line or any Telco
line (for example; T-1 or RJ48 lines).
3.4.2 Cabling IP7WW-082U-B1
The 082U-B1 board within each Chassis provides two RJ61 modular jacks for digital extension (8
ports) and one for Analog extensions (2 ports).
Before plugging in the Multiline Telephone, DSS Console, Single line
Telephone or Doorphone, ensure all Main and Expansion Chassis are
powered off.
DSX Terminal does not work properly when it connected.
INSTALLING THE EXPANSION INTERFACE BOARDS
3COIDB/1PRIDB
< Top view >
3COIDB 1PRIDB
SL2100
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