Appendices
257
Appendix 8: Connecting the System to PRI/T1

(Not available on all TANDBERG systems)

Connecting the system to PRI/T1

Using CSU adapter
Connecting the system to the ISDN network via the E1/T1-interface using an Adtran T1 ESF CSU
ACE or equivalent CSU, will allow up to 1.54 Mbps connection. The E1/T1-interface must be
connected to a CSU approved according to IEC 60950, UL 1950 or equivalent standard. The PRI-
line will run the AT&T 4ESS, 5ESS and National ISDN protocols in addition to Euro ISDN (E1).
Connecting to Adtran T1 ESF CSU ACE
Connect the PRI cable from the system to the input marked CPE (Customer Provided Equipment)
on the Adtran CSU (straight through category 5 cable is recommended). Connect to the network
via the NET connector on the Adtran CSU.
Configuration of the system
Open the Settings Menu from the Control Panel and select Network.
Choose Network Type: PRI and specify your PRI number, max. Channels, cable length (between
system and CSU) and switch type.
Configuration of Adtran T1 ESF CSU ACE
Enter 2)CONFIG menu using SCROLL and ENTER buttons.
Enter 3)TERMINAL menu. Check 1)FORMAT:ESF, 2)CODE: B8ZS , 3)SET LBO: 0-133
(corresponding to Cable Length setting on the system).
Go to Menu and enter 1)NETWORK menu. 7)SET LBO: 0.0 (according to information
from Telco).
Also, other network parameters should be set according to information from your Telco.