Hirschmann RS1-FX/FX, RS1-TX/TX, RS1-TX/FX, RS1-TX/FX-SM, RM1 Description And Operating Instructions

1

Description and operating instructions
i Rail Switch Family

The i Rail Switch modules allow
switched Ethernet networks in accordance
with IEEE standard 802.3 using copper tech­nology and backbones in accordance with
IEEE standard 802.3u using copper techno­logy or optical waveguide (F/O) in line and
ring structure to be constructed. The switch
modules are plugged onto the standard bar.

The RS1s (Rail Switch) have eight 10 Mbit/s
twisted pair (TP) ports and two 100 Mbit/s
ports. Depending on the type of RS1 the
100 Mbit/s ports to attach further more RS1
are supplied with FX, TX interfaces or both.
It is possible to connect up to eight pieces
of terminal equipment or other TP seg­ments to the 10 Mbit/s ports using TPs.

The built-in control intelligence allows the
redundant coupling of several network seg­ments to a higher network segment.

An RM1 (Redundancy Manager) has eight
10 Mbit/s TP ports and two free slots for
100 Mbit/s modules. The 100 Mbit/s ports
allow to close a line-structured backbone to
a ring with redundancy function.

The 100 Mbit/s module ETSXM-01TP(FE)
has one TX port.
The 100 Mbit/s module ETSXM-01MM(FE)
has one FX port.

P1 123456879

10

DA / STAT

P2

FDX
Port 1 - 4

Stby

Rail Switch RS1-FX/FX

i

CPU RESET V24

+24 V +24 V*

Fault

Redundancy Manager RM1

DA/STAT

Port

P113579

246810P2

LA1

LA2

LA3

LA4

LA5

0

1

LA6

LA7

LA8

LA9

LA10

9

10

1234

758

6

RS1-…

Order no.

943 606-0…
RM1

Order no.

943 632-001

039587001010998000

Printed in Germany

2

Safety guidelines

v

Warning!

The RS1/RM1 units are designed for
operation with safety extra-low vol­tage. Accordingly, only safety extra­low voltages (SELV) to
IEC950/EN60950/VDE0805 may be
connected to the supply voltage
connections.

ESD protection

The 100 Mbit/s modules contain compo­nents highly sensitive to electrostatic fields.
These components can be easily destroyed
or have their lives shortened by an electrical
field or by a discharge caused by touching
the card.
For these reasons, the 100 Mbit/s modules
are delivered in a conducting ESD protec­tive bag. This packing can be reused.

Be sure to observe the following precauti­ons for electrostatic sensitive devices when
handling the components:

M Establish electrical potential equality bet­ween yourself and your surroundings, e.g.
with the aid of a wrist bracelet.

M Only then remove the 100 Mbit/s modu­les from the conducting bag.

M Store the 100 Mbit/s modules in its con­ducting bag whenever it is not in the chas­sis.

ESD protective field kits are available for
working with electrostatic sensitive devices.

You can find more information about devi­ces vulnerable to electrostatic fields in
DIN/IEC 47 (Sec) 1330; February 1994 Editi­on and DIN EN 100 015.

We have checked that the contents of the
technical publication agree with the hard­ware and software described. However, it is
not possible to rule out deviations comple­tely, so we are unable to guarantee comple­te agreement. However, the details in the
technical publication are checked regularly.
Any corrections which prove necessary are
contained in subsequent editions. We are
grateful for suggestions for improvement.

We reserve the right to make technical
modifications.

Permission is not given for the circulation
or reproduction of this document, its use or
the passing on of its contents unless gran­ted expressly. Contravention renders the
perpetrator liable for compensation for
damages. All rights reserved, in particular
in the case of patent grant or registration of
a utility or design.

Copyright ©
© Richard Hirschmann GmbH & Co. 1998
All Rights Reserved

General

Electricity is used to operate this equip­ment. Comply in every detail with the safety
requirements specified in the operating
instructions regarding the voltages to
apply!

v

Warning!

If warning notes are ignored, it is
therefore possible for severe injuries
and/or material damage to occur.

Only appropriately qualified staff
should work on or near this equip­ment. Such staff must be thoroughly
acquainted with all the warnings
and maintenance measures contai­ned in these operating instructions.

The proper and safe operation of
this equipment assumes proper
transport, appropriate storage and
assembly and careful operation and
maintenance.

Staff qualification
requirements

Qualified staff within the meaning of these
operating instructions or the warning notes
are persons familiar with setting up, assem­bling, starting up and operating this product
and who have appropriate qualifications to
cover their activities, such as:

– training or instruction/entitlement to

switch circuits and equipment/systems on
and off, earth them and identify them in
accordance with current safety standards;

– training or instruction in accordance with

current safety standards in looking after
and using appropriate safety equipment;

– first aid training.

3

1. Functional description

The ports of an RS1/RM1 represent a termi­nal connection for the connected LAN seg­ment.

1.1 FRAME-SWITCHING FUNCTIONS
Store and Forward

All data received by the RS1/RM1 from the
system bus or at the ports are stored and
checked for validity. Invalid and defective
frames as well as fragments are discarded.
The RS1/RM1 forwards the valid frames.

Multi address capability

An RS1 learns all source addresses per port.
Only packets with
– this address or
– a multi/broadcast address
in the destination address field are sent to
this port.
An RS1 learns up to 8.000 addresses. This
becomes necessary if more than one termi­nal device is connected to one or more
ports. In this way several independent sub­networks can be connected to an RS1.

Learn addresses

An RS1 monitors the age of the learned
addresses. The RS1 deletes address entries
from the address table which exceed a cer­tain age (10 seconds).
Note: Restarting deletes the learned
address entries.

Operation in duplex mode

Depending on the DIP switch setting of the
RS1 the 10 MBit/s ports 1 to 4 are in the half
or fullduplex mode. The 10 Mbit/s ports 5 to
8 are in the halfduplex mode.
Each 100 Mbit/s port is in the fullduplex
mode.

1.2 SPECIFIC FUNCTIONS OF THE
TP INTERFACE
Link control

The RS1/RM1 monitors the connected TP
line segments for short-circuit or interrupt
using regular link test pulses in accordance
with IEEE standard 802.3 10BASE-T. The
RS1/RM1 does not transmit any data in an
TP segment from which it does not receive
a link test pulse.

Note: A non-occupied interface is assessed
as a line interrupt. The TP line to terminal
equipment which is switched off is likewise
assessed as a line interrupt as the de­energised bus coupler cannot transmit link
test pulses.

Auto polarity exchange

If the reception line pair is incorrectly
connected (RD+ and RD- switched) polarity
is automatically reversed.

1.3 SPECIFIC FUNCTIONS OF THE
F/O INTERFACE
Link control

According to IEEE 802.3 standard 100BASE­FX an RS1/RM1 monitors the attached F/O
lines for open circuit conditions.

1.4 REDUNDANCY FUNCTIONS
Backbone as a ring

With an RM1 you can close a line structured
RS1 backbone to a redundant ring.
If one section fails the ring structure chan­ges itself back into a line structure within

0.5 seconds at up to 50 RS1s.

Redundant coupling of segments

The built-in control intelligence of the RS1s
allows the redundant coupling of 10 MBit/s
network segments. Within 0.5 seconds an
error is detected and eliminated.

1.5 DISPLAY ELEMENTS
Equipment status

These LEDs provide information about sta­tuses which affect the function of the entire
RS1/RM1s.
L1 – Line 1 (green LED)
– lit: – supply voltage 1 present
– lit not: – supply voltage 1 is less than 18 V,

– hardware fault in RS1/RM1

L2 – Line 2 (green LED)
– lit: – supply voltage 2 present
– lit not: – supply voltage 2 is less than 18 V,

– hardware fault in RS1/RM1

FDX – Fullduplex (Green LED, RS1)
– lit: – Full duplex mode

(10 MBit/s ports 1 to 4).

– lit not: – Half duplex mode

(10 MBit/s ports).

Stby – Standby (Green LED, RS1)
– lit: – The standby function is

enabled.

– lit not: – The standby function is

disabled.

CPU – System (Yellow/red LED, RM1)
– lit not: – Initializing, hardware self

test
– lit red: – Self test error
– flashes red (1 Hz):

– Loading software

– lit red with interruption:

– Writing to Flash EPROM

– lit yellow: – The User Interface (V.24)

is occupied
– flashes yellow (0,5 Hz):

– The system is initialized

and runs fault-free.

Port Status

These LEDs display port-related informati­on.

DA/STAT – Data, Link status

(green/yellow LED)
– lit not: – no valid link
– lit green: – valid link
– blinking green (1 time in periodical inter-

val)
– port is switched to stand-

by (RS1, port 1, 2)
– blinking green (2 times in periodical inter-

val)
– port is autopartitioned

– blinking green (3 times in periodical inter-

val)
– port is disabled

– flashes yellow:– receiving data

1.6 CONTROLS
12-pin DIP switch (RS1)
10-pin DIP switch (RM1)

Using the 12-pin DIP switch on the top of
the RS1 housing and the 10-pin DIP switch
on the front panel of the RM1 housing
– the message about the link statuses can

be suppressed by the indicator contact on
a port-by-port basis. Using switches LA1
to LA6, the message about the link status
of ports 1 to 6 is suppressed. State on
delivery: switch position 1 (on), i.e. messa­ge not suppressed.

– on RS1 the 10 MBit/s ports 1 to 4 can be

switched to the full duplex or half duplex
mode with the switch FDX. State of deli­very: position 0 (Off), i.e. half duplex.
The 10 Mbit/s ports 5 to 8 are always in
the halfduplex mode.

– on RS1 the standby function can be enab-

led or disabled with the switch Stby .
State of delivery: position 0 (Off), i.e. nor­mal function. In the redundant link run the
RS1 in the standby mode for redundant
coupling of 10 MBit/s network segments.

RS1 in the standby mode for redundant

coupling of 10 MBit/s network segments.

Fig. 1: 12-pin DIP switch on RS1

Fig. 2: 10-pin DIP switch on RS1

Reset push button (RM1)

Pushing the push button resets the RM1.

1.7 INTERFACES
10 Mbit/s connection

Eight 8-pin RJ45 sockets allow eight inde­pendent TP segments to be connected. The
socket casings are electrically connected to
the front panel and thus connected to the
housing of the RS1/RM1.

– Pin configuration of the RJ45 socket:

– TD+: pin 3, TD-: pin 6
– RD+: pin 1, RD-: pin 2
– remaining pins: not configured.

Fig. 3: Pin configuration of an TP interface

n.c. Pin 8
n.c. Pin 7
TD- Pin 6
n.c. Pin 5
n.c. Pin 4

Pin 3TD+
Pin 2RD­Pin 1RD+

LA1

LA6

Off On

LA5

LA3

LA2

LA4

Port 1

Port 6

Port 5

Port 3

Port 2

Port 4

Suppress message
about link status
via indicator contact

LA10

LA9

LA7
LA8

Port 10

Port 9

Port 7
Port 8

LA1

LA6

Off On

LA5

LA3

LA2

LA4

Port 1

Port 6

Port 5

Port 3

Port 2

Port 4

Suppress message
about link status
via indicator contact

Stby

FDX

Redundancy mode

Full Duplex

LA10

LA9

LA7
LA8

Port 10

Port 9

Port 7
Port 8