GVE-Tplus(E1/G.703 to V.35 Ehernet converter
Detaile Selling Lead Description
Features:
1) GVE-T plus can convert E1 to both V.35 interface and LAN interface
2) Bandwidth of every port can be set into N x 64kbps (N=1-31) continuous data stream, although the total bandwidth of the two ports must be no more than 31 and must be inserted into PCM time slot of E1. It supports choices of CRC4 on/off and CAS/CCS (30 & 31 time slot)
3) GVE-T plus also can distribute the whole E1 capacity to V.35 data interface, although E1 must be framed N x 64kbps (N=1-31). The work mode can be either internal clock and slave-clock, or N x 64kbps (N=1-31) external clock to achieve end- linking line
4) GVE-T plus can be set up into long-range Ethernet Bridge from V.35 to LAN interface
5) GVE-T plus has two transmission modes to choose from: data and image
6) GVE-T plus has local and remote loop backs. Therefore user can use circuitry-test and malfunction diagnosis conveniently to perform port-to-port integrity test
Detailed Product Description
Ethernet features:
1) LAN table: 10,000 automatic learning and updating
2) Filtering and forwarding: 30,000 frames / second
3) Buffer size: 64M
4) Throughput delay: 1 frame
5) VLAN: comply with 802.1Q
LAN feature:
1) Standard: conforms to IEE802.3 / Ethernet
2) Work mode: full duplex / half duplex
3) Data rate: 10Mbps
4) Physical interface: 10 BaseT (UTP), shielded RJ-45
5) WAN E1 / G.703 feature:
6) Line transmission rate: N 64Kbps (N=1-31) 2048Kbps
7) Line coding options: HDB3
8) Format of line frame: G.703 (framed / unframed)
9) Line interface: BNC; RJ45
Transmission features:
1) Comply with G.703
2) Rate of data transmission: N 64Kbps (N=1-31)
3) Transmission mode: synchronization
4) Data interface: V.35 or V.24 / RS232C DCE
5) Clock: master clock; slave clock; external clock
6) Testing methods: local analogy loopback test; remote digital loopback test
Feature:
1) Power supply: 220VACf+10%, 50Hz 48V DC (optional)
2) Power consumption: 5W
3) Volume: 225 x 145 x 40mm; 9" (L) x 5.8" (W) x 1.6" (H)
4) Temperature: 0 - 40fpC
Specifications
Input supply : 230v ac + / - 10% , 50 hz single phase with mcb protection.
Output : current source 0 to 50 a max
Digital voltmeter : 3-1/2 digit 0 to 300v
Voltage drop indicator with range selector.
Digital temperature indicator with 12 channels.
Current controller for maintaining the output current at pre-set value.
Ct range selector for accurate measurements.
Description
The test panel is made to suit the specification as mentioned in is : 3854 of 1997 for temperature rise test.
The test panel broadly comprises of :
1. Ac constant current source ( true rms ) for 50 amps max / 5v.
2. Universal servo controller, for controlling the output current with the help of motorised variac
Assembly.
3. Digital ac voltmeter to read the primary voltage of the power transformer. It helps to eliminate the
Possibility of hunting of motor with the help of primary tap selector switch.
4. Digital temperature indicator controller - 12 channels - with thermocouples, to read the temperature rise
At different parts of the switches.
5. Digital ac voltmeter with terminals and three ranges - 0.2, 2.0 & 20 v to measure the voltage drop
Across the switch terminals while passing the specific current.
6. Range selector switch for ct to measure more accurately the current for lower as well as higher range.
7. Push buttons for test on / off with output indicating lamps.
8. Mains on mcb 2p / 10 a.
Ethernet switch
Complies with ieee802. 3 10base-t, ieee802.3u 100base-tx. Store and forward 111function. Full or half duplex,
Plug and play installation with automatic port configuration
24 10/100m self-negotiable rj-45 ports, auto-shift 10base-t and 100base-tx. Basic board width: 4.8 gbps, supply separate board width for each port to 111realize real bon-blocking transmission
Store-and-forward
Built-in 4m bit data buffer, supply full forwarding rate
19" standard rack-mounted size
Power: 90-240vac·+50-60hz
Operation temperature: 0 ~ 50 f¦
Store temperature: -20 ~125 f¦
Operation moisture: 10~90%
Store moisture: 5~90%
Size: 440*177*44 mm
Weight: 3.5kg (with packing)
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Pressure switch
Specifications
For use with fluorinated refrigerants as well as with a air and water.(allowable fluid temp.:-10f¦~+110f¦)
Various contact functions available.
With spdt contact mechanism.
Renovated micro-switch structure ensures the reliable switch function.
Manual-controlled and no use of other instruments to have a function test.
Flexible mounting plate suits various kinds of application.
