Cabletron Systems CBU-NM User Manual page 34

CBU-NM
User Manual
by another KBU 64 device which is connected to an ISDN line and the
Remote port of your PC. These 'remote' devices use the Remote Link,
which can only receive information, not send it.
However, PCNC can talk to remote KBU 64 devices as if they were
local, by dialling them from local devices.
known as 'Talkwire Units', and are defined in the 'Talkwire List'.
The diagram below shows a typical arrangement of Local and Remote
network devices connected to PCNC.
C O M M A N D
D a t a
C h a n n e l 1
KBU 64
C h a n n e l 2
A L A R M
C o m m a n d
K B U
C o m m a n d
K B U
C o m m a n d
K B U
C o m m a n d
K B U
Figure 4.1 - Typical local and remote networks
The KBU at Remote Site 1 transfers information to and from the KBU at
Remote Site 2 through the Kilostream line on Channel 1. Should this
4–2 ii
K i l o s t r e a m L i n e
B a c k u p
Alerts
Remote Site 1
ISDN
Port
Sharer
Local Network
These local devices are
C O M M A N D
D a t a
C h a n n e l 1
KBU 64
C h a n n e l 2
A L A R M
Remote Site 2
K B U
R e m o t e P o r t
Control Port
PCNC
80-60100000-02