MINI-LINKEandEMicro
8.6 Interfaces
8.6.1 MINI-LINK E
For information on ETU and MXU interfaces, see Section 8.7 on page 152 and
Section 8.8 on page 152 respectively.
Traffic Interfaces
According to ITU-T Rec G .703.
2 Mbit/s balanced 120
, 25-pin D-sub connector
unbalanced 75
(option), using a separate
SMZ or BNC panel
8 and 34 Mbit/s unbalanced 75
, SMZ connector
Analog Service Channel Interface
According to ITU-T Rec G .712.
Telephone interface, 2 wire:
Connector type Modular telephone connector 6/4
Branching interface, 4 wire:
Impedance
600
Input signal level –11 dBr
Output signal level –11 dBr to +4 dBr, 1 dB r increments
Connector type 9-pin D-sub
For use of the analog service channel, the maximum number of:
• Hops in series between any two telephones is 10
• Terminals at a site is 20
• Telephones used at the same time is 5
Digital Service Channel Interface
The digital service channel has co-directional 64 kbit/s digital interface
according to ITU-T Rec G.703.
Connector type 25-pin D-sub
147
AE/LZT 110 2012 R8C 2002- 03-04
To Next Page
Loading...