Mitel SX-200 EL, Technician'S Handbook

Page: 196 / 262

Technician’s Handbook
186
Peripheral Interface Cards and Modules
Table 31: Peripheral Interface Cards and Modules
Peripheral
interface
card
Devices supported Circuits
Maximum loop
resistance/loop lengths
COV Line
card
high power Voice Mail devices 6 Loop resistance: 280
W
Loop length:
26 AWG - 1000 m (3300 ft.)
24 AWG - 1500 m (5000 ft.)
22 AWG - 2000m (6000 ft.)
DID Trunk
card
high power Direct Inward Dial
(DID) trunks from CO 6 Loop resistance: 2450
W
Loop length:
26 AWG - 7986 m (25955 ft.)
22 AWG - 19995 m (64984 ft.)
LS/GS Trunk
card
low power Ground start and
Loop start CO trunks 6 not applicable
LS/CLASS
Trunk card
low power Loop Start CO trunks 8 not applicable
ONS/CLASS
Line card
low power
DTMF telephone sets
Rotary telephone sets 12 External loop resistance:
600
W
External wire resistance:
400
W
External loop length:
22 AWG - 1000 m (3300 ft.)
24 AWG - 1500 m (4875 ft.)
OPS Line
card
high power
(low power
in SX-200
EL/ML) DTMF telephone sets
Rotary telephone sets 6 External loop resistance:
1800
W
External wire resistance:
1600
W
External loop length:
26 AWG - 5853 m (19022 ft.)
22 AWG - 15240 m (49530 ft.)
(Sheet 1 of 3)