Cisco Cisco Unified MeetingPlace Audio Server Maintenance Manual
3-6
Cisco MeetingPlace Audio Server 5.2 Customer Engineering Guide (for Cisco MeetingPlace 8112)
OL-
Chapter 3 Installing the 8112 Server
Evaluating the site
E1 digital trunk requirements
.
Note
In some cases, the RJ-48c cables provided may not be appropriate for the customer’s PBX or NIU side
connections. If this is the case, the customer should feel free to create their own custom cables. Custom
E1 and T1 PRI cables require a Cat5e UTP cable and an RJ-48c connector on the breakout box side. Add
the ferrite which came on the Cisco Systems-shipped cable.
connections. If this is the case, the customer should feel free to create their own custom cables. Custom
E1 and T1 PRI cables require a Cat5e UTP cable and an RJ-48c connector on the breakout box side. Add
the ferrite which came on the Cisco Systems-shipped cable.
Note
In E1 environments, MeetingPlace can be connected directly to the PSTN, no CSU is needed.
Table 3-4
Wiring of RJ-48 Connectors when Transmit/Receive is Reversed
Pin
Name
Description
1
T
MeetingPlace outgoing signal - tip
2
R
MeetingPlace outgoing signal - ring
4
T1
MeetingPlace received signal - tip
5
R1
MeetingPlace received signal - ring
Table 3-5
E1 Digital Trunk Requirements
Country
Requirements
European Union
Connection Type — Euro ISDN and QSIG digital
telephony (E1)
telephony (E1)
Cisco Systems-supplied cable — 25-foot (7.6 m)
CAT5 cable with RJ-48c connectors at each end
CAT5 cable with RJ-48c connectors at each end
Socket — connector must be RJ-25 socket or NBNC
(female) connector
(female) connector
Cable length (if customer provides their own cable) —
maximum cable length is 100 meters (328 ft)
maximum cable length is 100 meters (328 ft)
Australia
Cisco Systems does not supply any E1 cables with
servers shipped to Australia.
servers shipped to Australia.