Product Introduction

PCM-16/30 is a miniaturization agile multifunction access equipment. Possess manifold tone and ports to fulfill various need of user. This device has four standard E1 ports and can connect to other transmission apparatus. Supports the cross connection of inner time slot function, come true the agile configuration of time slot between four E1 ports and data ports. Supports DI and ADM functions.

Product Feature

●     Supports various services for users, such as traditional phone, 64Kbit/s synclastic data terminal, asynchronous data terminal, public telephone, hot line 2/4 line audio frequency, EM signal, E1 interface and so on

●     Each device supports 16/30 channels audio frequency ports or low rate data port. inner installation 16/30 channels E＆M signal channel, possess four channels high speed V35 data rate (N*64K) and one 10BASE-T data port, impropriate time slot can be set.

●     Supports cross connection function, user interface can discretional assign time slot between four E1 channels, Also time slot can cross discretionally between four E1 channels.

●     Types of user service equipped with agility and convenience, auto-negotiation various types of user service interface and can be mixed equip (include LAN tone channel and

●     Supports remote end device telemonitoring function

●     Convenience to maintenance, small in size and save space

●     Monitoring system can be equipped to inspect and manage the operation of network as requested

Technologies reference

●     E1 interface:

Line code: HDB3

Bit rate: 2048KBIT/S±50ppm

Frame structure: ITU-G.704, ITU-G.706

Impedance: 75ohm(unbalance) or 120ohm(balance) optional

Connector: BNC

●     V.35 interface:

Port rate: N×64K（N＝1～32）

Port type: DB25 with six V.35 (equip fully)

●     10/100Base-T interface:

Port rate: 100Mbit/s

Standard: IEEE802.3

Port type: RJ－45 with two ports (equip fully)

●     RS232 interface:

Working manner: ≤19.2Kbit/s asynchronous serial manner

Port type: RJ－45

●     Audio frequency port:

Impedance: 600 ohm

Audio frequency range: 300－3400Hz

Coding: ITU- G.711 A

Circle damage: 300－600Hz＞12dB，600－3400Hz＞15dB

Frequency response: 300－3400Hz（＋0.5，－0.5dB）

●     Exchange port:

Off-hook impedance: ＜500 ohm

On-hook impedance: ＞10,000 ohm

Port type: RJ－11with 24 ports (equip fully)

●     Voice channel port:

Loop impedance: ＜2000 ohm

Idle circuit voltage: ＜50V

Loop current: ＞25mA

Off-hook limit: 8mA

Polarity reversal delay time: ＜50ms

●     Port type: RJ－11with 24 ports (equip fully)

●     Power

Voltage：220V AC or －48V DC

Power consumption: ＜10W(equip fully)

● Working environment:

Operating temperature: 0℃~45℃

Environment humidity: 90%(non-condensing)

●     Dimension: 482mm×44mm×209mm

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