72
LEDR Series I/O Guide
MDS 05-3627A01, Rev. D
1. The available selections depend on the radio’s factory programmed bandwidth. See
for the allowable combinations of bandwidth, data rates and
modulation types.
Command Examples:
To set 32 QAM with 1xE1, enter
modem C7
To set 16 QAM/384 kbps, enter
modem B4
Special-Order Argument
NOTE:
The
cas
command functions only in radios equipped with
either the FT1 or FE1 Interface and user firmware of revision
3.0 or higher.
cas
—Set or display the Channel Associated Signaling (CAS) status for
Fractional-T1 or Fractional-E1 operation. The available selections are
modem +cas
(on) and
modem -cas
(off). This command provides for FT1
Robbed-Bit Signaling bits to pass over the link. In the FE1 case, this
command, in conjunction with the
fstruct
command, ensures the proper
handling of the timeslot 16 signaling bid.
network
Network
Usage:
network
This command displays the radios that can be reached via the Service
Channel for Orderwire and Element Management System (EMS) diag-
nostics.
Example Response:
passwd
Password
Usage:
passwd
Table 25. Modem Command Arguments for
EIA-530 & FT1 (Subrate) Radios
1
DATA RATES
Modulation
Type
64
kbps
128
kbps
256
kbps
384
kbps
512
kbps
768
kbps
QPSK
A1
A2
A3
—
—
—
16 QAM
B1
B2
B3
B4
B5
B6
32 QAM
—
—
—
—
—
C6
FE1
FT1
Network
Address
10.2.142.148
10.2.200.196
Netmask
255.255.0.0
255.255.0.0
RF
Hops
0
1
Ethernet
Hops
0
0
Received
on Port
LPBK
AIR
Owner
Tech Serv 1
Tech Serv 2