Connecting The E1/T1 Trunk Interfaces; Figure 2-6: 50-Pin Female Telco Board-Mounted Connector; Table 2-4: E1/T1 Connections On Each 50-Pin Telco Connector - AudioCodes Mediant 2000 Installation Manual

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.
To cable the Mediant 2000, take these 4 steps:
Permanently connect the device to a suitable earth with the protective earthing screw on the
1.
rear connector panel, using 14-16 AWG wire.
Connect the E1/T1 trunk interfaces (refer to Section
2.
Install the Ethernet connection (refer to Section
3.
Connect the power supply (refer to Section
4.
2.4.1

Connecting the E1/T1 Trunk Interfaces

Connect the Mediant 2000 E1/T1 Trunk Interfaces using either Telco or RJ-48 connectors:
With 50-pin Telco connectors (16-trunk device), take these 3 steps:
Attach the Trunk cable with a 50-pin male Telco connector to the 50-pin female Telco
1.
connector labeled "Trunks 1 8" on the 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 connector
3.
labeled "Trunks 9 16".
The 50-pin male Telco cable connector must be wired according to the pinout in
page 12, and to mate with the female connector illustrated in

Figure 2-6: 50-pin Female Telco Board-Mounted Connector

Table 2-4: E1/T1 Connections on each 50-pin Telco Connector

E1/T1 Number
1 to 8
1
2
3
4
5
6
7
8
Mediant 2000
Electrical Earthing
2.4.3
Pin Numbers
25
50
Tx Pins (Tip/Ring)
9 to 16
9
10
11
12
13
14
15
16
12
2.4.1 below).
2.4.2 on page 13).
on page 13).
Figure 2-6.
1
26
Rx Pins (Tip/Ring)
27/2
29/4
31/6
33/8
35/10
37/12
39/14
41/16
Document #: LTRT-70105
Mediant 2000
Table 2-4 on
26/1
28/3
30/5
32/7
34/9
36/11
38/13
40/15