Cisco Laser Link 1310 nm Transmitters Datenbogen
Laser Link Modular 1550 nm Transmitters
3
Specifications
Optical
Units
LEMT
Premium
LEMT
Standard
LEMT
Industrial
LLNT
Narrowcast
LLNTR
Reverse
Notes
Wavelength Range
Options
Options
nm
1544 - 1546
1544 - 1546
1554.94
1544 - 1546
1530-1561
1530-1561
Connector Type
SC/APC
SC/APC
Std.
Std.
Std.
Std.
Std.
Output Power Options
(minimum)
(minimum)
dBm
>9.5
>9.5
>9.5
10 ± 1
9.5 ± 1
Modulation Type
External
External External Direct
Direct
SBS Threshold
dBm
18
16
16
≥ rated output
≥ rated output
Electrical
Units
LEMT
Premium
LEMT
Standard
LEMT
Industrial
LLNT
Narrowcast
LLNTR
Reverse
Notes
Bandwidth
MHz
45 - 870
45 - 870
45 - 870
45 - 870
5 - 210
RF input Level
(dBmV/Channel)
(dBmV/Channel)
17
32 1
RF Input Level
(per Channel)
Manual Mode
110 NTSC
99 PAL
78 NTSC
64 PAL B/G
59 PAL D/K
40 NTSC
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
15 ±1
16 ±1
17 ±1
18 ±1
16 ±1
17 ±1
18 ±1
18.5 ±1
20 ±1
15 ±1
16 ±1
17 ±1
18 ±1
16 ±1
17 ±1
18 ±1
18.5 ±1
20 ±1
15 ±1
16 ±1
17 ±1
18 ±1
16 ±1
17 ±1
18 ±1
18.5 ±1
20 ±1
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
AGC Mode
110 NTSC
99 PAL
78 NTSC
64 PAL B/G
59 PAL D/K
40 NTSC
110 NTSC
99 PAL
78 NTSC
64 PAL B/G
59 PAL D/K
40 NTSC
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
20 ±5
21 ±5
22 ±5
23 ±5
21 ±5
22 ±5
23 ±5
23.5 ±5
25 ±5
20 ±5
21 ±5
22 ±5
23 ±5
21 ±5
22 ±5
23 ±5
23.5 ±5
25 ±5
20 ±5
21 ±5
22 ±5
23 ±5
21 ±5
22 ±5
23 ±5
23.5 ±5
25 ±5
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Level Adjustment
dB
-7 to 2.5
-7 to 2.5
-7 to 2.5
0 to -4
-8 to 2
2
Slope Adjustment
dB
n/a
n/a
n/a
0 to -4
n/a
RF Input Return Loss
5 MHz-210 MHz
50 - 550 MHz
550 - 870 MHz
5 MHz-210 MHz
50 - 550 MHz
550 - 870 MHz
dB
dB
dB
dB
dB
n/a
≥ 16
≥ 16
≥ 16
n/a
≥ 16
≥ 16
≥ 16
n/a
≥ 16
≥ 16
≥ 16
n/a
≥ 16
≥ 14
≥ 14
≥ 18
Frequency Response
5 MHz-210 MHz
45 MHz - 870 MHz
5 MHz-210 MHz
45 MHz - 870 MHz
dB
dB
dB
n/a
± 0.75
n/a
± 0.75
n/a
± 0.75
n/a
± 0.75
± 0.75
n/a
Power Consumption
(maximum)
(maximum)
W DC
40
40
40
20.4
20.4
Environmental
Units
LEMT
Premium
LEMT
Standard
LEMT
Industrial
LLNT
Narrowcast
LLNTR
Reverse
Notes
Temperature Range
(operational)
(operational)
°C
°F
0 - 50
32 - 122
0 - 50
32 - 122
0 - 50
32 - 122
0 - 50
32 - 122
0 - 50
32 - 122
Humidity
%
95
95 95 95 95
Mechanical
Physical
Dimensions
Depth
in.
cm
13.5
34.3
34.3
13.5
34.3
34.3
13.5
34.3
34.3
13.5
34.3
34.3
13.5
34.3
34.3
Width
in.
cm
2.17
5.5
2.17
5.5
2.17
5.5
2.17
5.5
2.17
5.5
Height
in.
cm
5.25
13.3
13.3
5.25
13.3
13.3
5.25
13.3
13.3
5.25
13.3
13.3
5.25
13.3
13.3
Weight
lb
kg
5.0
2.27
5.0
2.27
5.0
2.27
2.9
1.3
1.3
2.9
1.3
1.3
Notes:
1. Optical modulation depth = 10% per channel
2. EMT level adjustment through LCD display or element management
1. Optical modulation depth = 10% per channel
2. EMT level adjustment through LCD display or element management