Bottom View
Time-slots selection for E1/FE1
1 2 3 4 5 6 7 8
ON
OFF
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1
8 9
16 17
2425
3233
40
There are total 40 DIP switches given the bottom of the equipment which shall allow the user to set the
bandwidth, framing etc. The switch selection/switch numbering is from left to right with switch “1” being
the 1st switch on the left.
There are three working modes of the E1 are:
a) Framed (CCS/PCM31)
b) Multi-framed (CAS/PCM30)
c) Un-framed E1(transparent E1)
Working Mode
Switch Setting
Un-framed
All switches OFF
Framed (CCS)
Switch “1” OFF
Multi-framed (CAS)
Switch “1” ON
12
Bottom View
Orion Telecom Networks Inc. - 2007-10
VCL-E1 (G.703) Fiber Optic Modem
