Cisco Cisco Unified MeetingPlace Audio Server Maintenance Manual
3-3
Cisco MeetingPlace Audio Server 5.2 Customer Engineering Guide (for Cisco MeetingPlace 8112)
OL-
Chapter 3 Installing the 8112 Server
Evaluating the site
T1 digital trunk requirements
T1 Smart Blades support digital connections to a PBX system or to a PSTN. The framing for the digital
lines can be either extended superframe (ESF) or D4. The digital lines can use either B8ZS coding or
jammed bit.
lines can be either extended superframe (ESF) or D4. The digital lines can use either B8ZS coding or
jammed bit.
Note
We strongly recommend using ESF framing and B8ZS coding. Using D4 framing or jammed bit coding
may produce unsatisfactory service.
may produce unsatisfactory service.
Warning
Supplemental earth grounding is required at all times. This supplemental grounding consists of a
grounding cable attached to supplemental ground lugs on the back of the 8112 server chassis and is
permanently connected to an earth ground point at the other end via an appropriate facilities
grounding terminal.
grounding cable attached to supplemental ground lugs on the back of the 8112 server chassis and is
permanently connected to an earth ground point at the other end via an appropriate facilities
grounding terminal.
Shielded cables must be used, and the shield must be electrically terminated at the back of the 8112
server. MeetingPlace also supports fractional T1 services and has complete flexibility to activate any or
all ports on a span.
server. MeetingPlace also supports fractional T1 services and has complete flexibility to activate any or
all ports on a span.
MeetingPlace can use dialed number information to connect the caller directly to a meeting or to
determine the MeetingPlace services to which the caller has access.
determine the MeetingPlace services to which the caller has access.
MeetingPlace can also be configured to support devices where the T1 trunk does not provide any
signaling and is always offhook. This is used in applications where a clear channel connection is
required.
signaling and is always offhook. This is used in applications where a clear channel connection is
required.
Table 3-1
Power Requirements by Country
Country
Clearance
Power
Socket
USA
Canada
24 inches of
clearance in back
of server
clearance in back
of server
115 VAC
NEMA 5-15R
socket-outlet
installed within 8
feet of the unit
socket-outlet
installed within 8
feet of the unit
Hong Kong
European Union
61 cm of
clearance in back
of server
clearance in back
of server
240 VAC
BS-1363
socket-outlet
installed within 2
meters of the unit
socket-outlet
installed within 2
meters of the unit
Japan
61 cm of
clearance in back
of server
clearance in back
of server
100 VAC (50Hz
for East Japan; 60
Hz for West
Japan)
for East Japan; 60
Hz for West
Japan)
NEMA 5-15R
socket-outlet
installed within 2
meters of unit
socket-outlet
installed within 2
meters of unit