Grounding The Mediant 2000; Connecting The E1/T1 Trunk Interfaces; Figure 3-5: 50-Pin Female Telco Board-Mounted Connector; Table 3-3: E1/T1 Connections On Each 50-Pin Telco Connector - AudioCodes Mediant 2000 System User Manual

SIP User's Manual
3.1.4.1

Grounding the Mediant 2000

Permanently connect the device to a suitable earth with the protective earthing screw on
the rear connector panel, using 14-16 AWG wire.
The unit must be permanently connected to earth via the screw provided at the
back on the unit. Use 14-16 AWG wire and a proper ring terminal for the
earthing.
3.1.4.2

Connecting the E1/T1 Trunk Interfaces

Connect the E1/T1 Trunk interfaces using either Telco (for Mediant 2000 with 16 spans) or
RJ-48 (for Mediant 2000 with 1, 2, 4, or 8 spans) connectors:
To connect E1/T1 trunks using 50-pin Telco connectors (16-trunk
device), take these 3 steps:
Attach the Trunk cable (of at least 26 AWG UTP) with a 50-pin male Telco connector
1.
to the 50-pin female Telco connector labeled Trunks 1 8 on the Mediant 2000 Rear
Transition Module (RTM).
Connect the other end of the Trunk cable to the PBX/PSTN switch.
2.
Repeat steps 1 and 2 for the other Trunk cable, but this time connect it to the
3.
connector labeled Trunks 9 16.
The 50-pin male Telco cable connector must be wired according to the pinout in the table
below, and to mate with the female connector illustrated in the figure below.

Figure 3-5: 50-pin Female Telco Board-Mounted Connector

Table 3-3: E1/T1 Connections on each 50-pin Telco Connector

E1/T1 Trunk Number
1 to 8
1
2
3
4
Version 5.2
Electrical Earthing
9 to 16
9
10
11
12
Tx Pins (Tip/Ring)
27/2
29/4
31/6
33/8
35
3. Installation
Rx Pins (Tip/Ring)
26/1
28/3
30/5
32/7
September 2007