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Cable specifications, Null modem cable, Rj-45 cable – Transition Networks POINTSYSTEM CPSMC0810-100 User Manual

Page 26

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CPSMC08xx-100 PointSystem

Chassis

24 hour Technical Support: 1-800-260-1312 -- International: 00-1-952-941-7600

Cable Specifications

Null Modem Cable

The Null Modem Cable is used for connecting a terminal or terminal emulator to
the management module’s DB-9 connector to access the command-line interface.

The table below shows the pin assignments for the DB9 cable.

Function

Mnemonic

Pin

Carrier Detect

CD

1

Receive Data

RXD

2

Transmit Data

TXD

3

Data Terminal Ready

DTR

4

Signal Ground

GND

5

Data Set Ready

DSR

6

Request To Send

RTS

7

Clear To Send

CTS

8

RJ-45 Cable

Category 5:
Gauge:

24 to 22 AWG

Attenuation:

22.0 dB /100m @ 100 MHz

Maximum Cable Distance:

100 meters

• Straight-through OR crossover cable may be used.
• Shielded twisted-pair (STP) OR unshielded twisted-pair (UTP) may be used.
• All pin pairs (1&2, 3&6, 4&5, 7&8) are active in a Gigabit Ethernet network.
• Use only dedicated wire pairs for the active pins:

(e.g., blue/white & white/blue, orange/white & white/orange, etc.)

• Do not use flat or silver satin wire.

This manual is related to the following products: