169
Figure 177 Connecting a service provider U interface cable to a BSV interface module
If the service provider provides an ISDN S/T interface cable, directly connect the service
provider cable to the BSV interface.
Figure 178 Connecting a service provider S/T interface cable to a BSV interface module
• When the BSV interface operates in Network mode, you must use an ISDN S/T interface
crossover cable to connect the BSV interface to a TE device. For example, a digital telephone
or a BSV interface operating in User mode.
a. Connect the RJ45 connector (male) of the ISDN S/T interface crossover cable to the RJ45
interface on the BSV interface module.
b. Connect the RJ45 interface (female) of the standard ISDN S/T interface cable to one end of
the standard ISDN S/T interface cable.
c. Connect the S/T interface on the TE device to the other end of the standard ISDN S/T
interface cable.
Figure 179 Connecting a TE device to a BSV interface module
ISDN S/
T interface standard cable
BSV
……
ISDN U interface cable
of service provider
NT
1
S/T U
BSV
……
ISDN S/T interface cable of service provider
ISDN S/T interface crossover cable
BSV
……
TE
S/T
ISDN S/T interface standard cable
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