3Com Switch 4210 Series User Manual

Connecting Console Cable 27
Figure 25 Ground through an AC PE wire
Connecting Console
Cable
Console Cable A Console cable is an 8-core cable. One end of the cable is a crimped RJ-45
connector for the connection to the Console port of the switch, and the other end
is a DB-9 female connector for the connection to the serial port on the Console
terminal, as shown in Figure 26.
Figure 26 Console cable
(1) AC power input (2) Grounding screw (3) Power transformer
(4) PE ground wire (5) Three-wire AC power input cable (6) Ethernet Switch
(2)
(1)
(2)
(3)
(4)
(5)
(6)
Table 13 Console cable pinouts
RJ-45 Signal Direction DB9 (modem) DB9 (console)
1 RTS — 7 8
2 DTR — 4 6
3 TXD — 3 2
4 CD — 1 5
5 GND — 5 5
6 RXD — 2 3
7 DSR — 6 4
8 CTS — 8 7

3Com Switch 4210 Series Specifications

General

Model	3Com Switch 4210 Series
Layer	Layer 2
Management	CLI
VLAN Support	Yes
QoS	Yes
Jumbo Frame Support	Yes
Power Supply	Internal
Operating Temperature	0°C to 40°C
Relative Humidity	10% to 90% non-condensing
Uplink Ports	4 SFP ports (on 24-port model), 4 SFP ports (on 48-port model)
Dimensions (W x D x H)	440 x 260 x 44 mm (24-port model), 440 x 260 x 44 mm (48-port model)