MODEM
Modulation mode and data
rates
- Modulation type: ITU/TSS V.34
- Max. modem data rate: 33.6 kbit/s.
Line connection
- Conditioned or unconditioned voice-grade
analogue leased lines, PCM or microwave links.
- Dry copper wire cables (max. cable lenght
depends on gauge, e.g. 20 km on AWG24/0,5mm)
- 2 wire and 4 wire operation
- Line impedance: 600 Ohms
- RJ-11 connector
ETHERNET INTERFACE
- Type: Remote Bridge
- 10/100baseT, Auto-MDI/MDIX Ethernet:
IEEE 802.3 compatible
- Frame size: max.
1536 bytes
- Frame buffer
capacity: 32 frames
- Address filter:
automatic learning and aging
- Aging time: 300
seconds
- Connection type:
10/100baseT, Auto-MDI/MDIX
- Ethernet polarity:
Automatic polarity reversal
DATA THROUGHPUT
- Throughput @ 33,6
kbit/s modem rate: 3,9 kbyte/s
- Latency
(throughput delay) @ 33,6 kbit/s modem rate: 45ms
HARDWARE
LED indicators on LLM-336S.Eth and LLM-336R.Eth (front panel)
- PWR: Power applied
and modem ready
- TxD: Data
transmitted to remote modem
- RxD: Data received
from remote modem
- DTR: Local Ethernet port connected
- DSR: Modem ready
for operation
- RTS: Bridge
circuit ready for communication
- CTS: Modem ready
for data transfer
- DCD: Modem
connected to remote modem
LED indicators on LLM-336S.Eth and LLM-336R.Eth (rear panel )
- RxTx: Data received or transmitted at Ethernet port.
- LNK: Lnk: Ethernet port connected.
- Coll: Collision detected.
- FDX: Full duplex mode.
- 100M: 100baseT Ethernet link
LED indicators on LLM-336D.Eth
- PWR: Power applied and modem ready
- TxD: Data transmitted to remote modem
- RxD: Data received from remote modem
- DTR: Local Ethernet port link connected
- DCD: Modem connected to remote modem
- RxTx: Data received or transmitted at Ethernet port.
- LNK: Lnk: Ethernet port connected.
- Coll: Collision detected.
- FDX: Full duplex mode.
- 100M: 100baseT Ethernet link
Controls
- DIP switches for selecting max. modem rate, type of line and modem mode.
- Config port for adding new configuration profiles.
Dimensions and weight
- LLM-336D.Eth: 95x145x30 mm LxWxH, Weight: 240 gr.
- LLM-336S.Eth: 250x130x30 mm LxWxH, Weight: 980 gr.
- LLM-336R.Eth: 3U (3HE) high; 5HP (5TE) wide Eurocard, Total depth with interface
board: 240mm
Power Supply and environmental characteristics
-
Power supply:
- LLM-336x/Vr1: 11..36 Vdc (11..28Vac), 3.6 W
- LLM-336x/Vr2: 18..60 Vdc (18..30 Vac), 3.6 W
- Temperature range:
- extended temp. range: -20..+70°C, Humidity: 5..95%
Compliances
- CE compliance EMC: Directive 2004/108/EC (EN 55022, EN55024).
- CE compliance Immunity: EN 55024 (ref. EN 61000-6-2).
- CE compliance Safety: Directive 2006/95/EC (EN 60950).
- Leased line operation: ES 203 021
- Ethernet: IEEE 802.3
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