NEC Electra Elite 192 Hardware Manual page 229

Electra Elite
System Hardware Manual
LED 10 indications are listed below.
Steady Red
¥
Off
¥
5.8.7 Connectors
The VDH2(8)-U10 ETU has three connectors:
CN1
¥
CN2 – CH1~7
¥
CN2 – CH8
¥
CN3
¥
When SW2 is set to X, the following table indicates the pin
assignments for the RJ-45 pins for CN2 ~ CH8.
 In the tables below, TD indicates Transmit Data and RD
indicates Receive Data.
When SW2 is set to =, the following table indicates the pin
assignments for the RJ-45 pins for CN2 ~ CH8.
 Cables that connect a terminal to a HUB are straight, and
cables that connect HUB-to-HUB are crossed. Coreline
uses straight cables only.
Intercom terminal on some
channel in use
No intercom terminals in use
Connects to the backboard.
Connects to Multiline Terminals.
Connects to Multiline Terminal or
cascades to another HUB.
Connects 10Base-2 cascade
cables from another HUB or
mainframe LAN.
Normal
Pin Signaling
6 TD-
3 TD+
2 RD-
1 RD+
Cascade
Pin Signaling
6 RD-
3 RD+
2 TD-
1 TD+
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